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Bashaireh KM, Yabroudi MA, Logerstedt D, Snyder-Mackler L, Nawasreh ZH. Reasons for Not Returning to Pre-injury Sport Level After ACL-Reconstruction. Int J Sports Med 2024; 45:698-704. [PMID: 38718825 DOI: 10.1055/a-2270-3306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
The study aimed to identify athlete-reported reasons for not returning to pre-injury sports level after anterior cruciate ligament reconstruction (ACLR) and to identify the factors associated with these reasons. Ninety-one athletes with 2 years post-ACLR indicated whether or not they had returned to their pre-injury sport level (same frequency, duration, and intensity). Athletes who did not return were asked to provide the reasons. Athletes' characteristics and injury-related factors were used to determine factors associated with the reasons for not returning. Only nine athletes (10%) returned to pre-injury sport level after ACLR. The most common reasons for not returning were lack of confidence or concerns about re-injury (48.8%), followed by continued post-surgical impairments in the reconstructed knee (39%). Having episodes of the knee giving way after ACLR was the only significant predictor of post-surgical impairments (48.8%; OR=8.3, 95%CI=2.48-27.42, p=0.001). Lack of confidence, concerns about re-injury, or post-surgical impairments in the reconstructed knee were the most frequently reported reasons for not returning to pre-injury sports level with 2 years post-ACLR. Reported dynamic knee instability was the only factor associated with ongoing post-surgical knee impairments after ACLR. Rehabilitation programs should address athletes' psychological responses and resolve knee impairments to optimize return to pre-injury sport level after ACLR.
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Affiliation(s)
- Khaldoon M Bashaireh
- Department of Special Surgery, Jordan University of Science and Technology, Irbid central post o, Jordan
| | - Mohammad A Yabroudi
- Division of physical therapy, Dept. of Rehabilitation Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - David Logerstedt
- Physical Therapy, Saint Joseph's University, Philadelphia, United States
| | | | - Zakariya H Nawasreh
- Division of physical therapy, Dept. of Rehabilitation Sciences, Jordan University of Science and Technology, Irbid, Jordan
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Welling W. Return to sports after an ACL reconstruction in 2024 - A glass half full? A narrative review. Phys Ther Sport 2024; 67:141-148. [PMID: 38749349 DOI: 10.1016/j.ptsp.2024.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 05/08/2024] [Accepted: 05/09/2024] [Indexed: 06/10/2024]
Abstract
A successful return to sports (RTS) after an anterior cruciate ligament reconstruction (ACLR) is multifactorial, and therefore difficult and challenging. Unfortunately, low percentages of patients RTS, and for those who succeed, one-fifth of patients will sustain a second ACL injury. Over the past years, test batteries were developed to assess whether patients can RTS with a low risk for a second ACL injury risk. Low rates of patients who meet RTS criteria were found, coupled with the insufficiency of current RTS test batteries in predicting second ACL injuries suggesting poor sensitivity. The result of an RTS test is likely to reflect the content of a rehabilitation program, raising critical questions regarding what we are offering patients within the rehabilitation programme. Are we preparing our patients well enough for the high demands of complex situations within pivoting team sports? This narrative review offers insights from key lessons of the last 15 years on 1) RTS testing, 2) the content of rehabilitation, and 3) the RTS continuum, all from a "helicopter perspective".
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Affiliation(s)
- Wouter Welling
- Pro-F Fysiotherapie, Kotkampweg 65, 7531 AS, Enschede, the Netherlands; University of Groningen, University Medical Center Groningen, Center for Human Movement Science, A. Deusinglaan 1, 9713 AV, Groningen, the Netherlands.
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Zhou W, Liu X, Hong Q, Wang J, Luo X. Association between passing return-to-sport testing and re-injury risk in patients after anterior cruciate ligament reconstruction surgery: a systematic review and meta-analysis. PeerJ 2024; 12:e17279. [PMID: 38699196 PMCID: PMC11064852 DOI: 10.7717/peerj.17279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 04/01/2024] [Indexed: 05/05/2024] Open
Abstract
Background Inconsistent results have been obtained regarding the association between return-to-sport (RTS) testing and the risk of subsequent re-injury following anterior cruciate ligament reconstruction (ACLR). We therefore conducted a systematic review and meta-analysis to assess the potential association between passing of RTS and the risk of re-injury for patients after ACLR. Methods This meta-analysis was registered in INPLASY with the registration number INPLASY202360027. The electronic databases MedLine, EmBase, and the Cochrane library were systematically searched to identify eligible studies from their inception up to September 2023. The investigated outcomes included knee injury, secondary ACL, contralateral ACL injury, and graft rupture. The pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using the random-effects model. Results A total number of nine studies involving 1410 individuals were selected for the final quantitative analysis. We noted that passing RTS test was not associated with the risk of subsequent knee injury (OR: 0.95; 95% CI: 0.28-3.21; P = 0.929), secondary ACL injury (OR: 0.98; 95% CI: 0.55-1.75; P = 0.945), and contralateral ACL injury (OR: 1.53; 95% CI: 0.63-3.71; P = 0.347). However, the risk of graft rupture was significantly reduced (OR: 0.49; 95% CI: 0.33-0.75; P = 0.001). Conclusions This study found that passing RTS test was not associated with the risk of subsequent knee injury, secondary ACL injury, and contralateral ACL injury, while it was associated with a lower risk of graft rupture. Thus, it is recommended that patients after ACLR pass an RTS test in clinical settings.
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Affiliation(s)
- Wenqi Zhou
- Department of Sport Medicine, Sichuan Orthopedic Hospital, Chengdu, Sichuan, China
| | - Xihui Liu
- Department of Sport Medicine, Sichuan Orthopedic Hospital, Chengdu, Sichuan, China
| | - Qiaomei Hong
- Department of Sport Medicine, Sichuan Orthopedic Hospital, Chengdu, Sichuan, China
| | - Jingping Wang
- Department of Sport Medicine, Sichuan Orthopedic Hospital, Chengdu, Sichuan, China
| | - Xiaobing Luo
- Department of Sport Medicine, Sichuan Orthopedic Hospital, Chengdu, Sichuan, China
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Niederer D, Keller M, Wießmeier M, Vogt L, Stöhr A, Schüttler KF, Schoepp C, Petersen W, Pinggera L, Mengis N, Mehl J, Krause M, Janko M, Guenther D, Engeroff T, Ellermann A, Efe T, Best R, Groneberg DA, Behringer M, Stein T. The End of the Formal Rehabilitation Is Not the End of Rehabilitation: Knee Function Deficits Remain After Anterior Cruciate Ligament Reconstruction. J Sport Rehabil 2024; 33:88-98. [PMID: 38176405 DOI: 10.1123/jsr.2023-0165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 09/20/2023] [Accepted: 10/22/2023] [Indexed: 01/06/2024]
Abstract
OBJECTIVE To rate athletes' functional ability and return to sport (RTS) success at the end of their individual, formal, medically prescribed rehabilitation after anterior anterior cruciate ligament (ACL) reconstruction. METHODS In our prospective multicenter cohort study, 88 (42 females) adults aged 18-35 years after acute unilateral ACL rupture and subsequent hamstring grafting were included. All patients were prospectively monitored during their rehabilitation and RTS process until the end of their formal rehabilitation and RTS release. As outcome measures, functional hop and jump tests (front hop, balance hops, and drop jump screening test) and self-report outcomes (Knee Injury and Osteoarthritis Outcome Score, ACL-RTS after injury) were assessed. Literature-based cut-off values were selected to rate each performance as fulfilled or not. RESULTS At 7.5 months (SD 2.3 months) after surgery, the percentage of participants meeting the functional thresholds ranged from 4% (Knee Injury and Osteoarthritis Outcome Score SPORT) and over 44% (ACL-RTS after injury sum score) to 59% (Knee Injury and Osteoarthritis Outcome Score activities of all daily living) in the self-report and from 29% (Balance side hop) to 69% (normalized knee separation distance) in performance testing. Only 4% fulfilled all the cut-offs, while 45% returned to the same type and level of sport. Participants who successfully returned to their previous sport (type and level) were more likely to be "over-cut-off-performers." CONCLUSIONS The low share of the athletes who fulfilled the functional RTS criteria highlights the importance of continuing the rehabilitation measures after the formal completion to assess the need for and success of, inter alia, secondary-preventive therapies.
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Affiliation(s)
- Daniel Niederer
- Institute of Occupational, Social and Environmental Medicine, Goethe University Frankfurt, Frankfurt am Main, Germany
| | | | - Max Wießmeier
- Department of Sports Medicine and Exercise Physiology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Lutz Vogt
- Department of Sports Medicine and Exercise Physiology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | | | | | - Christian Schoepp
- Department of Arthroscopic Surgery, Sports Traumatology and Sports Medicine, BG Klinikum Duisburg gGmbH, Duisburg, Germany
| | - Wolf Petersen
- Klinik für Orthopädie und Unfallchirurgie, Berlin, Germany
| | - Lucia Pinggera
- Department of Orthopaedic and Trauma Surgery, Sportklinik Stuttgart, Stuttgart, Germany
| | | | - Julian Mehl
- Department for Orthopaedic Sports Medicine, Klinikum rechts der Isar, Munich, Germany
| | - Matthias Krause
- Department of Trauma, Hand and Reconstructive Surgery, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Maren Janko
- Department of Trauma, Hand, and Reconstructive Surgery, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Daniel Guenther
- Department of Orthopedic Surgery, Trauma Surgery, and Sports Medicine, Cologne Merheim Medical Center, Witten/Herdecke University, Witten, Germany
| | - Tobias Engeroff
- Division Health and Performance, Goethe University Frankfurt, Institute of Occupational, Social and Environmental Medicine, Frankfurt am Main, Germany
| | | | - Turgay Efe
- Orthopaedicum Lich Giessen, Lich, Germany
| | - Raymond Best
- Department of Orthopaedic and Trauma Surgery, Sportklinik Stuttgart, Stuttgart, Germany
| | - David A Groneberg
- Institute of Occupational, Social and Environmental Medicine, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Michael Behringer
- Department of Sports Medicine and Exercise Physiology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Thomas Stein
- Department of Sports Medicine and Exercise Physiology, Goethe University Frankfurt, Frankfurt am Main, Germany
- SPORTHOLOGICUM Frankfurt-Center for Sport and Joint injuries, Frankfurt am Main, Germany
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Holmgren D, Noory S, Moström E, Grindem H, Stålman A, Wörner T. Weaker Quadriceps Muscle Strength With a Quadriceps Tendon Graft Compared With a Patellar or Hamstring Tendon Graft at 7 Months After Anterior Cruciate Ligament Reconstruction. Am J Sports Med 2024; 52:69-76. [PMID: 38164665 PMCID: PMC10762885 DOI: 10.1177/03635465231209442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 09/06/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND Impaired quadriceps muscle strength after anterior cruciate ligament reconstruction (ACLR) is associated with worse clinical outcomes and a risk of reinjuries. Yet, we know little about quadriceps muscle strength in patients reconstructed with a quadriceps tendon (QT) graft, which is increasing in popularity worldwide. PURPOSE To describe and compare isokinetic quadriceps strength in patients undergoing ACLR with a QT, hamstring tendon (HT), or bone-patellar tendon-bone (BPTB) autograft. STUDY DESIGN Cross-sectional study; Level of evidence, 3. METHODS We included patients with QT grafts (n = 104) and matched them to patients with HT (n = 104) and BPTB (n = 104) grafts based on age, sex, and associated meniscal surgery. Data were collected through clinical strength testing at a mean of 7 ± 1 months postoperatively. Isokinetic strength was measured at 90 deg/s, and quadriceps strength was expressed as the limb symmetry index (LSI) for peak torque, total work, torque at 30° of knee flexion, and time to peak torque. RESULTS Patients with QT grafts had the most impaired isokinetic quadriceps strength, with the LSI ranging between 67.5% and 75.1%, followed by those with BPTB grafts (74.4%-81.5%) and HT grafts (84.0%-89.0%). Patients with QT grafts had a significantly lower LSI for all variables compared with patients with HT grafts (mean difference: peak torque: -17.4% [95% CI, -21.7 to -13.2], P < .001; total work: -15.9% [95% CI, -20.6 to -11.1], P < .001; torque at 30° of knee flexion: -8.8% [95% CI, -14.7 to -2.9], P = .001; time to peak torque: -17.7% [95% CI, -25.8 to -9.6], P < .001). Compared with patients with BPTB grafts, patients with QT grafts had a significantly lower LSI for all variables (mean difference: peak torque: -6.9% [95% CI, -11.2 to -2.7], P < .001; total work: -7.7% [95% CI, -12.4 to -2.9], P < .001; torque at 30° of knee flexion: -6.3% [95% CI, -12.2 to -0.5], P = .03; time to peak torque: -8.8% [95% CI, -16.9 to -0.7], P = .03). None of the graft groups reached a mean LSI of >90% for peak torque (QT: 67.5% [95% CI, 64.8-70.1]; HT: 84.9% [95% CI, 82.4-87.4]; BPTB: 74.4% [95% CI, 72.0-76.9]). CONCLUSION At 7 months after ACLR, patients with QT grafts had significantly worse isokinetic quadriceps strength than patients with HT and BPTB grafts. None of the 3 graft groups reached a mean LSI of >90% in quadriceps strength.
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Affiliation(s)
- David Holmgren
- Department of Molecular Medicine and Surgery, Stockholm Sports Trauma Research Center, Karolinska Institutet, Stockholm, Sweden
- Capio Artro Clinic, FIFA Medical Centre of Excellence, Sophiahemmet Hospital, Stockholm, Sweden
| | - Shiba Noory
- Department of Molecular Medicine and Surgery, Stockholm Sports Trauma Research Center, Karolinska Institutet, Stockholm, Sweden
| | - Eva Moström
- Department of Molecular Medicine and Surgery, Stockholm Sports Trauma Research Center, Karolinska Institutet, Stockholm, Sweden
- Capio Artro Clinic, FIFA Medical Centre of Excellence, Sophiahemmet Hospital, Stockholm, Sweden
| | - Hege Grindem
- Department of Molecular Medicine and Surgery, Stockholm Sports Trauma Research Center, Karolinska Institutet, Stockholm, Sweden
- Oslo Sports Trauma Research Center, Norwegian School of Sport Sciences, Oslo, Norway
| | - Anders Stålman
- Department of Molecular Medicine and Surgery, Stockholm Sports Trauma Research Center, Karolinska Institutet, Stockholm, Sweden
- Capio Artro Clinic, FIFA Medical Centre of Excellence, Sophiahemmet Hospital, Stockholm, Sweden
| | - Tobias Wörner
- Department of Molecular Medicine and Surgery, Stockholm Sports Trauma Research Center, Karolinska Institutet, Stockholm, Sweden
- Capio Artro Clinic, FIFA Medical Centre of Excellence, Sophiahemmet Hospital, Stockholm, Sweden
- Department of Health Sciences, Lund University, Lund, Sweden
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Kay J, Liotta ES, Sugimoto D, Heyworth BE. Assessment of Return to Sport After ACL Reconstruction With Soft Tissue Autograft in Adolescent Athletes: Quadriceps Versus Hamstring Tendon. Orthop J Sports Med 2023; 11:23259671231207113. [PMID: 38021299 PMCID: PMC10676070 DOI: 10.1177/23259671231207113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 05/19/2023] [Indexed: 12/01/2023] Open
Abstract
Background Quadriceps tendon soft tissue autograft represents an increasingly popular graft option for anterior cruciate ligament reconstruction (ACLR), particularly for adolescents, some of whom have an open physis, precluding use of graft options with bone plugs. Purpose/Hypothesis The purpose of this study was to quantify return-to-sport performance assessments in adolescents at 6 months after ACLR with all-soft tissue quadriceps tendon autograft (ACLR-Q) versus hamstring tendon autograft (ACLR-HS). It was hypothesized that ACLR-Q would be associated with improved hamstring strength and hamstring-to-quadriceps (HS:Q) ratios compared with ACLR-HS, albeit with decreased quadriceps strength. Study Design Cross-sectional study; Level of evidence, 3. Methods Included were patients aged 12 to 19 years who underwent primary ACLR by a single surgeon and who completed a return-to-sport performance assessment between 5 and 9 months postoperatively. The performance assessment included manual muscle strength tests (hamstring, quadriceps, hip abductor and adductor), dynamic balance test (Y-balance), and functional hop tests (single hop, triple hop, crossover hop, 6-m timed hop). Data were converted to limb symmetry indices, and limb symmetry index deficits were compared between the ACLR-Q and ACLR-HS cohorts using the Student t test or Wilcoxon-Mann-Whitney test. Results An initial cohort of 90 ACLR-Q patients was compared with 54 ACLR-HS patients, with no significant differences in patient characteristics. Differences in meniscal repair rates, however, prompted use of propensity score matching on age, sex, body mass index, meniscectomy, and meniscal repair to produce comparable subcohorts. The matching resulted in 67 ACLR-Q and 52 ACLR-HS patients. Hamstring strength deficits were significantly greater in ACLR-HS versus ACLR-Q patients (-40.5% vs -5.7%; P < .001). Quadriceps strength deficits were significantly greater in ACLR-Q versus ACLR-HS patients (-12.8% vs -0.4%; P < .001). ACLR-Q patients had a significantly greater HS:Q ratio on the operative knee (P < .001) and significantly higher Y-balance composite score deficits (-2.9% vs -0.4%; P = .01) than ACLR-HS patients. There were no significant differences in hop test performance between groups. Conclusion Adolescent athletes who underwent ACLR-Q showed significantly greater quadriceps strength deficits but significantly smaller hamstring strength deficits than those who underwent ACLR-HS, leading to more favorable HS:Q ratios in ACLR-Q patients at 6 months postoperatively.
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Affiliation(s)
- Jeffrey Kay
- Department of Orthopedic Surgery, Boston Children’s Hospital, Boston, Massachusetts, USA
- Division of Sports Medicine, Boston Children’s Hospital, Boston, Massachusetts, USA
| | - Elizabeth S. Liotta
- Department of Orthopedic Surgery, Boston Children’s Hospital, Boston, Massachusetts, USA
| | - Dai Sugimoto
- The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts, USA
- Faculty of Sport Sciences, Waseda University, Tokyo, Japan
| | - Benton E. Heyworth
- Department of Orthopedic Surgery, Boston Children’s Hospital, Boston, Massachusetts, USA
- Division of Sports Medicine, Boston Children’s Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
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McNeill K, Marmura H, Werstine M, Alcock G, Birmingham T, Willits K, Getgood A, LeBel ME, Litchfield R, Bryant D, Giffin JR. The Effect of Staged Versus Usual Care Physiotherapy on Knee Function Following Anterior Cruciate Ligament Reconstruction. J Sport Rehabil 2023; 32:884-893. [PMID: 37699588 DOI: 10.1123/jsr.2022-0343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 06/15/2023] [Accepted: 06/26/2023] [Indexed: 09/14/2023]
Abstract
CONTEXT The long duration and high cost of anterior cruciate ligament reconstruction (ACLR) rehabilitation can pose barriers to completing rehabilitation, the latter stages of which progress to demanding sport-specific exercises critical for a safe return to sport. A staged approach shifting in-person physiotherapy sessions to later months of recovery may ensure patients undergo the sport-specific portion of ACLR rehabilitation. Design/Objective: To compare postoperative outcomes of knee function in patients participating in a staged ACLR physiotherapy program to patients participating in usual care physiotherapy through a randomized controlled trial. METHODS One hundred sixty-two patients were randomized to participate in staged (n = 80) or usual care physiotherapy (n = 82) following ACLR and assessed preoperatively and postoperatively at 2 weeks, 6 weeks, 3 months, and 6 months. The staged group completed the ACLR rehabilitation protocol at home for the first 3 months, followed by usual care in-person sessions. The usual care group completed in-person sessions for their entire rehabilitation. Outcome measures included the Lower Extremity Functional Scale, International Knee Documentation Committee Questionnaire, pain, range of motion, strength, and hop testing. RESULTS There were no statistically significant between-group differences in measures of knee function at 6 months postoperative. Patients in the usual care group reported significantly higher International Knee Documentation Committee scores at 3 months postoperative (mean difference = 5.8; 95% confidence interval, 1.3 to 10.4; P = .01). CONCLUSION A staged approach to ACLR rehabilitation does not appear to impede knee function at 6 months postoperative but may result in worse patient reported outcomes at early follow-ups.
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Affiliation(s)
- Kestrel McNeill
- Department of Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton, ON,Canada
| | - Hana Marmura
- School of Physical Therapy, Faculty of Health Sciences, Western University, London, ON,Canada
- Fowler Kennedy Sport Medicine Clinic, Western University, London, ON,Canada
- Bone and Joint Institute, Western University, London, ON,Canada
| | - Melanie Werstine
- School of Physical Therapy, Faculty of Health Sciences, Western University, London, ON,Canada
- Fowler Kennedy Sport Medicine Clinic, Western University, London, ON,Canada
| | - Greg Alcock
- School of Physical Therapy, Faculty of Health Sciences, Western University, London, ON,Canada
- Fowler Kennedy Sport Medicine Clinic, Western University, London, ON,Canada
| | - Trevor Birmingham
- School of Physical Therapy, Faculty of Health Sciences, Western University, London, ON,Canada
- Fowler Kennedy Sport Medicine Clinic, Western University, London, ON,Canada
- Bone and Joint Institute, Western University, London, ON,Canada
- Wolf Orthopedic Biomechanics Lab, Western University, London, ON,Canada
| | - Kevin Willits
- Fowler Kennedy Sport Medicine Clinic, Western University, London, ON,Canada
- Division of Orthopedics, Department of Surgery, The Schulich School of Medicine and Dentistry, Western University, London, ON,Canada
| | - Alan Getgood
- Fowler Kennedy Sport Medicine Clinic, Western University, London, ON,Canada
- Division of Orthopedics, Department of Surgery, The Schulich School of Medicine and Dentistry, Western University, London, ON,Canada
| | - Marie-Eve LeBel
- Fowler Kennedy Sport Medicine Clinic, Western University, London, ON,Canada
- Division of Orthopedics, Department of Surgery, The Schulich School of Medicine and Dentistry, Western University, London, ON,Canada
| | - Robert Litchfield
- Fowler Kennedy Sport Medicine Clinic, Western University, London, ON,Canada
- Division of Orthopedics, Department of Surgery, The Schulich School of Medicine and Dentistry, Western University, London, ON,Canada
| | - Dianne Bryant
- Department of Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton, ON,Canada
- School of Physical Therapy, Faculty of Health Sciences, Western University, London, ON,Canada
- Fowler Kennedy Sport Medicine Clinic, Western University, London, ON,Canada
- Division of Orthopedics, Department of Surgery, The Schulich School of Medicine and Dentistry, Western University, London, ON,Canada
| | - J Robert Giffin
- Fowler Kennedy Sport Medicine Clinic, Western University, London, ON,Canada
- Wolf Orthopedic Biomechanics Lab, Western University, London, ON,Canada
- Division of Orthopedics, Department of Surgery, The Schulich School of Medicine and Dentistry, Western University, London, ON,Canada
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Garcia SA, Kahan S, Gallegos J, Balza I, Krishnan C, Palmieri-Smith RM. Walking speed differentially affects lower extremity biomechanics in individuals with anterior cruciate ligament reconstruction compared to uninjured controls. Clin Biomech (Bristol, Avon) 2023; 108:106059. [PMID: 37562332 DOI: 10.1016/j.clinbiomech.2023.106059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/30/2023] [Accepted: 07/27/2023] [Indexed: 08/12/2023]
Abstract
BACKGROUND Walking biomechanics are commonly affected after anterior cruciate ligament reconstruction and differ compared to uninjured controls. Manipulating task difficulty has been shown to affect the magnitude of walking impairments in those early after knee surgery but it is unclear if patients in later phases post-op are similarly affected by differing task demands. Here, we evaluated the effects of manipulating walking speed on between-limb differences in ground reaction force and knee biomechanics in those with and without anterior cruciate ligament reconstruction. METHODS We recruited 28 individuals with anterior cruciate ligament reconstruction and 20 uninjured control participants to undergo walking assessments at three speeds (self-selected, 120%, and 80% self-selected speed). Main outcomes included sagittal plane knee moments, angles, excursions, and ground reaction forces (vertical and anterior-posterior). FINDINGS We observed walking speed differentially impacted force and knee-outcomes in those with anterior cruciate ligament reconstruction. Between-limb differences increased at fast and decreased at slow speeds in those with anterior cruciate ligament reconstruction while uninjured participants maintained between-limb differences regardless of speed (partial η2 = 0.13-0.33, p < 0.05). Anterior cruciate ligament reconstruction patients underloaded the surgical limb relative to both the contralateral, and uninjured controls in GRFs and sagittal plane knee moments (partial η2 range = 0.13-0.25, p < 0.05). INTERPRETATION Overall, our findings highlight the persistence of walking impairments in those with anterior cruciate ligament reconstruction despite completing formal rehabilitation. Further research should consider determining if those displaying larger changes in gait asymmetries in response to fast walking also exhibit poorer strength and/or joint health outcomes.
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Affiliation(s)
- Steven A Garcia
- School of Kinesiology, University of Michigan, Ann Arbor, MI, USA; Orthopedic Rehabilitation & Biomechanics (ORB) Laboratory, University of Michigan, Ann Arbor, MI, USA
| | - Seth Kahan
- School of Kinesiology, University of Michigan, Ann Arbor, MI, USA; Orthopedic Rehabilitation & Biomechanics (ORB) Laboratory, University of Michigan, Ann Arbor, MI, USA
| | - Jovanna Gallegos
- School of Kinesiology, University of Michigan, Ann Arbor, MI, USA; Orthopedic Rehabilitation & Biomechanics (ORB) Laboratory, University of Michigan, Ann Arbor, MI, USA
| | - Isabella Balza
- School of Kinesiology, University of Michigan, Ann Arbor, MI, USA; Orthopedic Rehabilitation & Biomechanics (ORB) Laboratory, University of Michigan, Ann Arbor, MI, USA
| | - Chandramouli Krishnan
- School of Kinesiology, University of Michigan, Ann Arbor, MI, USA; Department of Physical Medicine and Rehabilitation, University of Michigan, Ann Arbor, MI, USA; Neuromuscular and Rehabilitation Robotics Laboratory, University of Michigan, Ann Arbor, MI, USA; Robotics Institute, University of Michigan, Ann Arbor, MI, USA
| | - Riann M Palmieri-Smith
- School of Kinesiology, University of Michigan, Ann Arbor, MI, USA; Orthopedic Rehabilitation & Biomechanics (ORB) Laboratory, University of Michigan, Ann Arbor, MI, USA; Department of Orthopaedic Surgery, Michigan Medicine, Ann Arbor, MI, USA.
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Walaszek MC, Grindstaff TL, Hart JM, Birchmeier T, Triplett A, Collins K, Harkey M, Shingles M, Straus M, Kuenze C. Quadriceps Strength and Knee-Related Symptom State 6 Months After Anterior Cruciate Ligament Reconstruction. J Athl Train 2023; 58:536-541. [PMID: 36094575 PMCID: PMC10496454 DOI: 10.4085/1062-6050-0207.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
CONTEXT Isometric quadriceps strength metrics and patient-reported outcomes are commonly used in return-to-sport assessments in those with anterior cruciate ligament reconstruction (ACLR). Patients may experience clinical knee-related symptoms aggravating enough to seek additional medical care after ACLR. In addition to seeking additional medical care, these patient-reported clinical knee-related symptoms may also influence function after ACLR. However, whether an association exists between these common quadriceps metrics and the patient-reported clinical knee-related symptom state is unknown. OBJECTIVE To determine if meeting isometric quadriceps strength and symmetry criteria is associated with acceptable clinical knee-related symptoms at 5 to 7 months post-ACLR. DESIGN Cross-sectional study. SETTING Laboratories. PATIENTS OR OTHER PARTICIPANTS We classified individuals at 5 to 7 months post-ACLR based on their isometric ACLR and uninvolved-limb quadriceps strength or quadriceps strength symmetry. We also dichotomized participants based on the Englund et al criteria for unacceptable clinical knee-related symptoms. MAIN OUTCOME MEASURE(S) Quadriceps strength variables were compared between groups using analysis of covariance, and the relative risk of a participant in each quadriceps strength group reporting acceptable clinical knee-related symptoms was determined using binary logistic regression. RESULTS A total of 173 individuals participated. The isometric quadriceps strength and limb symmetry index were different (P < .001) between quadriceps strength groups. Those categorized as both strong and symmetric had a 1.28 (95% CI = 0.94, 1.74) and individuals categorized as symmetric only had a 1.29 (95% CI = 0.97, 1.73) times greater relative risk of reporting acceptable clinical knee-related symptoms compared with the neither strong nor symmetric group. CONCLUSIONS The majority of individuals (85%) recovering from ACLR failed to meet either the clinical quadriceps strength or symmetry criteria at 5 to 7 months post-ACLR. Quadriceps strength and quadriceps strength symmetry are clinically important but may not be primary determinants of the clinical knee-related symptom state within the first 6 months post-ACLR.
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10
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Nawasreh ZH, Yabroudi MA, Kassas MN, Daradkeh SM, Bashaireh KM. Hip Abductor and External Rotator Strengths Correlate With Hop Symmetry in Men Athletes 2 Years After Anterior Cruciate Ligament Reconstruction. J Sport Rehabil 2023:1-9. [PMID: 36944366 DOI: 10.1123/jsr.2022-0018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 12/30/2022] [Accepted: 01/31/2023] [Indexed: 03/23/2023]
Abstract
CONTEXT Hip muscle strength and hop performance limb symmetries after anterior cruciate ligament reconstruction (ACLR) are not well studied. This study aimed to determine the differences in hip abductors' (ABD) and external rotators' (ER) muscle strength measures between limbs, and the relationship between hip ABD and ER muscle strengths and hop performance limb symmetry indices (LSIs) 2 years after ACLR. DESIGN Cross-sectional study. METHODS Forty (level I/II) men athletes 2 years after unilateral ACLR completed 4 single-legged hop tests and involved hip ABD and ER strength testing (maximum voluntary isometric contraction [MVIC]; isokinetic peak torque [PKTQ] at 60°, 180°, and 300°/s; and isotonic peak velocity at 75% of their MVICs). Muscle strength measures were normalized to body mass, and hop performances were reported as LSIs. Paired t test was used to determine strength differences between limbs, and the Pearson correlation coefficient was used to assess the relationship between involved hip muscle strength measures and hop performance LSIs. RESULTS Hip ER-MVIC (involved: 60.26 [12.01], uninvolved: 63.68 [13.17] N·m/kg) and ER eccentric PKTQ at 60°/s (involved: 32.59 [9.28]; uninvolved: 35.73 [10.50] N·m/kg) were significantly different between limbs (P ≤ .018). Single-hop LSI correlated with hip ER-PKTQ at 180°/s (r = .354) and 300°/s (r = .324, P ≤ .041), while triple-hop LSI correlated with hip ER-MVIC (r = .320), concentric ER-PKTQ at 180°/s (r = .355), eccentric ER-PKTQ at 60°/s (r = .314), and hip ABD-PKTQ at 60°/s (r = .364) and 300°/s (r = .336, P ≤ .049). CONCLUSIONS Men athletes demonstrated symmetrical hop performance and hip muscle strengths, except for ER hip's MVIC and isokinetic eccentric peak torque at 60°/s 2 years after ACLR. Hop performance LSIs had a few, yet positive moderate relationships with involved hip ABDs and ER strength measures. This may indicate that hip ABD and ER muscle strength measures contribute to athletes' hop performances 2 years after ACLR. Post-ACLR rehabilitation programs might incorporate hip muscle strengthening training to improve athletes' functional performances.
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Affiliation(s)
- Zakariya H Nawasreh
- Department of Rehabilitation Sciences, Jordan University of Science and Technology (JUST), Irbid,Jordan
| | - Mohammad A Yabroudi
- Department of Rehabilitation Sciences, Jordan University of Science and Technology (JUST), Irbid,Jordan
| | - Mohamed N Kassas
- Department of Rehabilitation Sciences, Jordan University of Science and Technology (JUST), Irbid,Jordan
| | - Sharf M Daradkeh
- Department of Rehabilitation Sciences, Jordan University of Science and Technology (JUST), Irbid,Jordan
| | - Khaldoon M Bashaireh
- Department of Special Surgery, College of Medicine, Jordan University of Science and Technology (JUST), Irbid,Jordan
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11
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West TJ, Bruder AM, Crossley KM, Culvenor AG. Unilateral tests of lower-limb function as prognostic indicators of future knee-related outcomes following anterior cruciate ligament injury: a systematic review and meta-analysis of 13 150 adolescents and adults. Br J Sports Med 2023:bjsports-2022-105736. [PMID: 36669871 DOI: 10.1136/bjsports-2022-105736] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/13/2022] [Indexed: 01/22/2023]
Abstract
OBJECTIVE To investigate the prognostic capacity of individual hop tests, hop test batteries and other unilateral functional performance tests following anterior cruciate ligament (ACL) injury. DESIGN Systematic review with meta-analysis. DATA SOURCES Six databases searched up to June 2021. ELIGIBILITY CRITERIA Studies reporting associations between unilateral lower-limb function (eg, hop tests) following ACL injury and future (≥3 months) knee-related outcomes. RESULTS Of 42 included studies (13 150 participants), all assessed the single-forward hop test and 32 assessed a repeated-forward hop test (crossover hop, triple hop, 6m-timed hop), mostly within a year after ACL injury/reconstruction. Results of meta-analyses indicated that higher single-forward and repeated-forward hop limb symmetry were associated with higher odds of return-to-sport 1-3 years post-ACL reconstruction (OR 2.15; 95% CI 1.30 to 3.54; OR 2.11; 95% CI 1.23 to 3.60, respectively). Higher single-forward and repeated-forward hop limb symmetry was associated with better self-reported symptoms and function 1-37 years after ACL injury (OR 2.51; 95% CI 1.62 to 3.88; OR 4.28; 95% CI 1.65 to 11.08, respectively). Higher limb symmetry on a repeated-forward hop does not appear to be associated with higher odds of successful rehabilitation without ACL reconstruction (OR 1.51; 95% CI 0.94 to 2.44). Achieving ≥90% limb symmetry on the single-forward hop was associated with reduced odds of knee osteoarthritis 5-37 years after ACL injury (OR 0.46; 95% CI 0.23 to 0.94). CONCLUSION Very low certainty evidence suggests single-forward and repeated-forward hop tests are prognostic indicators for important knee-related outcomes in individuals after ACL injury and may help stratify individuals at risk of poor outcomes to target rehabilitation interventions. PROSPERO REGISTRATION NUMBER CRD42018092197.
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Affiliation(s)
- Thomas J West
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia.,Australian IOC Research Centre, La Trobe University, Bundoora, Victoria, Australia
| | - Andrea M Bruder
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia.,Australian IOC Research Centre, La Trobe University, Bundoora, Victoria, Australia
| | - Kay M Crossley
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia.,Australian IOC Research Centre, La Trobe University, Bundoora, Victoria, Australia
| | - Adam G Culvenor
- La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services and Sport, La Trobe University, Bundoora, Victoria, Australia .,Australian IOC Research Centre, La Trobe University, Bundoora, Victoria, Australia
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12
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Association Between Knee Extension Strength at 3 and 6 Months After Anterior Cruciate Ligament Reconstruction. J Sport Rehabil 2023; 32:76-84. [PMID: 35926847 DOI: 10.1123/jsr.2021-0336] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 06/01/2022] [Accepted: 06/09/2022] [Indexed: 01/03/2023]
Abstract
CONTEXT Deficits in knee extension strength after anterior cruciate ligament reconstruction have been a major problem. The inadequate recovery of the knee extension strength of surgical limb reportedly delays return to sports and increases reinjury risk. Accordingly, the early detection of knee extension strength deficits after reconstruction may help plan early interventions to manage impairment. This study aimed to clarify the association between knee extension strength at 3 and 6 months after anterior cruciate ligament reconstruction. DESIGN Retrospective study. METHODS Fifty patients who underwent primary anterior cruciate ligament reconstruction using hamstring grafts were included. At 3 months postoperatively, the limb symmetry index (LSI) of isokinetic knee extension strength (IKE) at 60°/s, degree of swelling, passive range of motion of knee flexion and extension, and anterior leg reach distance were measured. At 6 months postoperatively, the LSI of IKE was measured at 60°/s, which was used as the main outcome. A correlation analysis was performed with the LSI of IKE at 6 months postoperatively as the dependent variable and the LSI of IKE at 3 months postoperatively as the independent variable. Subsequently, a multiple regression analysis was performed, with LSI of IKE at 6 months postoperatively as the dependent variable; LSI of IKE at 3 months postoperatively as the independent variable; and other variables, demographic information, and surgical data as covariates. RESULTS The correlation analysis revealed that the LSIs of IKE at 3 and 6 months postoperatively were correlated (r = .535, P < .001). In the multiple regression analysis, the LSI of IKE at 3 months postoperatively was significantly associated with that at 6 months postoperatively, even when other variables were included as covariates (R2 = .349, P = .004). CONCLUSION Asymmetry of knee extension strength at 3 months postoperatively could be more useful than other variables related to knee strength in predicting the asymmetry of knee extension strength at 6 months postoperatively.
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13
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Schmitt LC, Brunst C, Ithurburn M, Ilardi D, Thomas S, Huang B, Paterno MV. Identification and Predictors of Age-Relevant and Activity-Relevant Hop Test Targets in Young Athletes After Anterior Cruciate Ligament Reconstruction. J Athl Train 2022; 57:946-954. [PMID: 36638339 PMCID: PMC9842127 DOI: 10.4085/1062-6050-0636.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
CONTEXT Performance symmetry between limbs (limb symmetry index [LSI] ≥ 90%) on a battery of single-leg hop tests is recommended to inform return-to-sport (RTS) decisions after anterior cruciate ligament (ACL) reconstruction (ACLR). Achieving current hop test symmetry values has not been associated with future clinical outcomes. The identification of age-relevant and activity-relevant target values to benchmark the hop test performance of young athletes post-ACLR may provide greater specificity and clinical relevance for interpretation of hop test data. OBJECTIVE To identify single-leg hop test-target values for individual-limb performance and symmetry between limbs for athletes without a history of ACL injury and evaluate the proportion of young athletes post-ACLR who met the newly derived target values at the time of RTS clearance. The secondary objective was to test the hypothesis that better function and strength would be associated with achieving the newly derived hop test target values. DESIGN Cross-sectional study. SETTING Pediatric medical center and academic medical center. PATIENTS OR OTHER PARTICIPANTS A total of 159 young athletes (age = 16.9 ± 2.2 years) at the time of RTS clearance after primary, unilateral ACLR and 47 uninjured control athletes (age = 17.0 ± 2.3 years). MAIN OUTCOME MEASURE(S) All participants completed a single-leg hop test battery (single hop, triple hop, and crossover hop for distance [cm], and 6-m timed hop [seconds]). Raw distance values were normalized by body height, and LSI (%) was calculated for each hop test. Target values were defined as the lower bound of the 95% CI for each hop test, using control group data. Participants with ACLR also completed the Knee injury and Osteoarthritis Outcome Score subscales and a quadriceps femoris strength (newton meters/kilogram) assessment. Logistic regression determined predictors of achieving hop test target values in the ACLR group among injury, function, and strength data (P < .05). RESULTS In the ACLR group, 79% to 84% of participants met the 90% LSI threshold on each hop test. They achieved the target values for surgical-limb performance in the following proportions (% participants): single hop = 29%, triple hop = 24%, crossover hop = 30%, 6-m timed hop = 18%, all hops= 12%. Also, they met the target values for LSI in the following proportions: single hop = 43%, triple hop = 48%, crossover hop = 50%, 6-m timed hop = 69%, all hops = 25%. The only predictor of achieving all hop test targets for surgical-limb performance was greater surgical-limb quadriceps femoris strength (odds ratio = 4.10, P = .007). We noted a trend toward quadriceps femoris strength LSI ≥ 90% (odds ratio = 2.44, P = .058) as a predictor for meeting all hop test symmetry targets. CONCLUSIONS At the time of RTS post-ACLR, only a small proportion of young athletes achieved the age-relevant and activity-relevant single-leg hop test targets for surgical-limb performance or symmetry between limbs, even though a majority met the traditionally recommended 90% LSI threshold on hop tests.
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Affiliation(s)
- Laura C. Schmitt
- School of Health and Rehabilitation Sciences, The Ohio State University, Columbus
- OSU Sports Medicine, The Ohio State University Wexner Medical Center, Columbus
| | - Caroline Brunst
- OSU Sports Medicine, The Ohio State University Wexner Medical Center, Columbus
| | - Matthew Ithurburn
- American Sports Medicine Institute, Birmingham, AL
- Department of Physical Therapy, University of Alabama at Birmingham
| | | | - Staci Thomas
- Division of Occupational Therapy and Physical Therapy, Cincinnati Children's Hospital Medical Center, OH
| | - Bin Huang
- Division of Occupational Therapy and Physical Therapy, Cincinnati Children's Hospital Medical Center, OH
| | - Mark Vincent Paterno
- School of Health and Rehabilitation Sciences, The Ohio State University, Columbus
- Department of Pediatrics, University of Cincinnati College of Medicine, OH
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14
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Lim DGW, Chou ACC, Chang PCC, Tan ETS, Lie DTT. Delayed Surgery, Low Presurgery Activity, and Poor Preoperative IKDC Scores Are Correlated with Lower Rates of Return to Sports after ACL Reconstruction in an Asian Population. J Knee Surg 2022; 35:1079-1086. [PMID: 33389730 DOI: 10.1055/s-0040-1721789] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
There is limited literature regarding the early postsurgical outcomes of anterior cruciate ligament (ACL) reconstruction in Asian populations, particularly in the rates of return to sports. We aimed to quantify early clinical outcomes for ACL reconstruction, determine the predictive value of surgeon- and patient-reported outcomes on the rate of return to sports in the early postoperative period, and identify factors predictive of return to sports. We analyzed the data of 55 patients who underwent ACL reconstruction at our tertiary medical center from 2015 to 2016. All patients underwent transportal ACL reconstruction and a standardized post-ACL reconstruction rehabilitation protocol. Patients with concurrent meniscal injury and repair were included. Patients were evaluated at the 3-month, 6-month, 1-year, and 2-year postoperative periods. Surgeon- and patient-reported outcome scores were collected at each follow-up through a systematic questionnaire designed to determine the patient's level of return to sport and reasons for not returning. Surgeon- and patient-reported outcome measures improved significantly over the 2-year postoperative period (p < 0.001). Overall rate of return to sports was 58.2%. The International Knee Documentation Committee (IKDC) subjective (p = 0.02), symptomatic (p = 0.001), composite (p = 0.005), Tegner (p < 0.001) and Lysholm (p = 0.049) scores at 2-year follow-up were significantly worse in patients who failed to return to sports. Earliest difference in scores manifested at 3-month postsurgery (p = 0.011). IKDC grade-D patients were 18.1 times less likely to return to sports (p = 0.035). Delayed surgery (p = 0.01) and presurgery inactivity (p = 0.023) were negatively predictive of return to sports. The rate of return to sport is consistent with the literature analyzing other ethnic populations. Both surgeon- and patient-reported outcome scores at 2-year postsurgery exhibited significant differences between those who did and did not return to sports. Patients should be advised to seek surgical treatment as soon as possible and stay active preoperatively to maximize return to sports.
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Affiliation(s)
- Dominic G W Lim
- Department of Orthopaedic Surgery, National University of Singapore, Yong Loo Lin School of Medicine, Singapore, Singapore
| | - Andrew C C Chou
- Department of Orthopaedic Surgery, Singapore General Hospital, Singapore, Singapore
| | - Paul C C Chang
- Department of Orthopaedic Surgery, Singapore General Hospital, Singapore, Singapore
| | - Edwin T S Tan
- Department of Orthopaedic Surgery, Singapore General Hospital, Singapore, Singapore
| | - Denny T T Lie
- Department of Orthopaedic Surgery, Singapore General Hospital, Singapore, Singapore
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15
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Crowley SG, Pedersen A, Fortney TA, Swindell HW, Saltzman BM, Popkin CA, Trofa DP. Rehabilitation Variability Following Osteochondral Autograft and Allograft Transplantation of the Knee. Cartilage 2022; 13:19476035221093071. [PMID: 35762400 PMCID: PMC9247380 DOI: 10.1177/19476035221093071] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE The aim of this study is to assess the variability of postoperative rehabilitation protocols used by orthopedic surgery residency programs for osteochondral autograft transplantation (OAT) and osteochondral allograft transplantation (OCA) of the knee. DESIGN Online postoperative OAT and OCA rehabilitation protocols from US orthopedic programs and the scientific literature were reviewed. A custom scoring rubric was developed to analyze each protocol for the presence of discrete rehabilitation modalities and the timing of each intervention. RESULTS A total of 16 programs (10.3%) from 155 US academic orthopedic programs published online protocols and a total of 35 protocols were analyzed. Twenty-one protocols (88%) recommended immediate postoperative bracing following OAT and 17 protocols (100%) recommended immediate postoperative bracing following OCA. The average time protocols permitted weight-bearing as tolerated (WBAT) was 5.2 weeks (range = 0-8 weeks) following OAT and 6.2 weeks (range = 0-8 weeks) following OCA. There was considerable variation in the inclusion and timing of strength, proprioception, agility, and pivoting exercises. Following OAT, 2 protocols (8%) recommended functional testing as criteria for return to sport at an average time of 12.0 weeks (range = 12-24 weeks). Following OCA, 1 protocol (6%) recommended functional testing as criteria for return to sport at an average time of 12.0 weeks (range = 12-24 weeks). CONCLUSION A minority of US academic orthopedic programs publish OAT and OCA rehabilitation protocols online. Among the protocols currently available, there is significant variability in the inclusion of specific rehabilitation components and timing of many modalities. Evidence-based standardization of elements of postoperative rehabilitation may help improve patient care and subsequent outcomes.
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Affiliation(s)
- Stephen G. Crowley
- Albany Medical Center, Albany, NY,
USA,Stephen G. Crowley, Albany Medical Center,
Albany, NY 12208, USA.
| | | | - Thomas A. Fortney
- Center for Shoulder, Elbow and Sports
Medicine, Columbia University, New York, NY, USA
| | | | | | - Charles A. Popkin
- Center for Shoulder, Elbow and Sports
Medicine, Columbia University, New York, NY, USA
| | - David P. Trofa
- Center for Shoulder, Elbow and Sports
Medicine, Columbia University, New York, NY, USA
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16
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Ueda Y, Matsushita T, Shibata Y, Takiguchi K, Ono K, Kida A, Ono R, Nagai K, Hoshino Y, Matsumoto T, Sakai Y, Kuroda R. Association Between Meeting Return-to-Sport Criteria and Psychological Readiness to Return to Sport After Anterior Cruciate Ligament Reconstruction. Orthop J Sports Med 2022; 10:23259671221093985. [PMID: 35571971 PMCID: PMC9096206 DOI: 10.1177/23259671221093985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 02/17/2022] [Indexed: 11/17/2022] Open
Abstract
Background: The relationship between meeting return-to-sport criteria and psychological readiness after anterior cruciate ligament (ACL) reconstruction is unknown. Purposes: To examine (1) whether patients who met 1 of the criteria for return to sport had higher psychological readiness than those who did not meet any of the criteria and (2) if those who met more criteria had higher psychological readiness. Study Design: Cross-sectional study; Level of evidence, 3. Methods: This study included 144 patients who underwent unilateral ACL reconstruction. All patients had regularly participated in some sport activities before an ACL rupture. At 12 months postoperatively, each patient completed 3 knee function tests (isokinetic quadriceps strength, isokinetic hamstring strength, and single-leg hop distance) and 2 self-reported measures (International Knee Documentation Committee [IKDC] 2000 subjective form and ACL–Return to Sport after Injury [ACL-RSI] scale); the ACL-RSI scale was used to measure psychological readiness to return to sport. The 4 criteria for return to sport were a limb symmetry index (LSI) ≥90% for each of the 3 function tests in addition to an IKDC score ≥90. Multivariate regression analysis was used to determine the association between meeting the individual criteria and the ACL-RSI score. In addition, the patients were divided into 5 groups according to the number of criteria met, and the Kruskal-Wallis and Steel-Dwass tests were used to compare the ACL-RSI scores among the groups. Results: Overall, 23 patients (16.0%) met none of the criteria for return to sport, 27 (18.7%) met 1 of the criteria, 34 (23.6%) met 2 criteria, 35 (24.3%) met 3 criteria, and 25 (17.4%) met all 4 criteria. Meeting the criteria for the hamstring strength LSI (P = .002), single-leg hop distance LSI (P = .004), and IKDC subjective score (P < .001) was each associated with higher ACL-RSI scores. Significant differences in ACL-RSI scores were found between patients who met none versus 2, 3, and 4 of the return-to-sport criteria (P < .001 for all) and between patients who met 1 versus 4 criteria (P < .001). Conclusion: Meeting return-to-sport criteria was positively associated with psychological readiness, and the patients who met multiple criteria had higher psychological readiness.
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Affiliation(s)
- Yuya Ueda
- Kobe University Graduate School of Health Sciences, Kobe, Japan
- Division of Rehabilitation Medicine, Kobe University Hospital, Kobe, Japan
| | - Takehiko Matsushita
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yohei Shibata
- Division of Rehabilitation Medicine, Kobe University Hospital, Kobe, Japan
| | - Kohei Takiguchi
- Division of Rehabilitation Medicine, Kobe University Hospital, Kobe, Japan
| | - Kumiko Ono
- Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Akihiro Kida
- Division of Rehabilitation Medicine, Kobe University Hospital, Kobe, Japan
| | - Rei Ono
- Kobe University Graduate School of Health Sciences, Kobe, Japan
| | - Kanto Nagai
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuichi Hoshino
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tomoyuki Matsumoto
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yoshitada Sakai
- Department of Rehabilitation Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ryosuke Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
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17
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Rivera-Brown AM, Frontera WR, Fontánez R, Micheo WF. Evidence for isokinetic and functional testing in return to sport decisions following ACL surgery. PM R 2022; 14:678-690. [PMID: 35411690 DOI: 10.1002/pmrj.12815] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 03/24/2022] [Accepted: 03/30/2022] [Indexed: 11/06/2022]
Abstract
The rupture and reconstruction of the anterior cruciate ligament (ACL) of the knee are associated with an increased risk of functional instability, a reduction in sports performance, and a higher risk of future additional injuries. Competitive athletes who participate in sports that require pivoting, cutting, and jumping are at particularly high risk for ACL rupture. The return to sport progression continuum after surgery includes sports-specific rehabilitation, evaluation of strength and function, gradual participation in exercise training with progressively challenging activities in the field of play, participation in sports at a lower level, and finally a return to preinjury-level sports competition. This narrative review evaluates the evidence that supports the use of quadriceps and hamstrings isokinetic strength testing and sports-specific functional skills assessments to evaluate progress with rehabilitation after ACL surgery. Strength evaluations, hop tests, agility tests, and the limb symmetry index are described, as well as the associations of quadriceps and hamstrings muscle strength and functional test results with successful return to sports and the risk of ACL graft rupture and contralateral knee injuries. Suggestions for future research directions are presented including the importance of presurgery testing, standardization of test batteries, and comparison of test results with normative data.
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Affiliation(s)
- Anita M Rivera-Brown
- Center for Sports Health and Exercise Sciences, Department of Physical Medicine, Rehabilitation and Sports Medicine, University of Puerto Rico School of Medicine, San Juan, Puerto Rico.,Department of Physiology, University of Puerto Rico School of Medicine, San Juan, Puerto Rico
| | - Walter R Frontera
- Center for Sports Health and Exercise Sciences, Department of Physical Medicine, Rehabilitation and Sports Medicine, University of Puerto Rico School of Medicine, San Juan, Puerto Rico.,Department of Physiology, University of Puerto Rico School of Medicine, San Juan, Puerto Rico
| | - Richard Fontánez
- Center for Sports Health and Exercise Sciences, Department of Physical Medicine, Rehabilitation and Sports Medicine, University of Puerto Rico School of Medicine, San Juan, Puerto Rico
| | - William F Micheo
- Center for Sports Health and Exercise Sciences, Department of Physical Medicine, Rehabilitation and Sports Medicine, University of Puerto Rico School of Medicine, San Juan, Puerto Rico
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18
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Hadley CJ, Rao S, Tjoumakaris FP, Ciccotti MG, Dodson CC, Marchetto PA, Hammoud S, Cohen SB, Freedman KB. Safer Return to Play After Anterior Cruciate Ligament Reconstruction: Evaluation of a Return-to-Play Checklist. Orthop J Sports Med 2022; 10:23259671221090412. [PMID: 35464900 PMCID: PMC9019333 DOI: 10.1177/23259671221090412] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 12/15/2021] [Indexed: 12/03/2022] Open
Abstract
Background: Questions remain regarding the traditional protocols used in rehabilitation and clearance for return to sports after anterior cruciate ligament reconstruction (ACLR). Purpose/Hypothesis: To investigate the impact on injury rates after return to sports by developing and validating a Safer Return to Play Following ACL Reconstruction Checklist consisting of subjective and objective functional tests that can be quickly and easily implemented into a sports medicine practice. It was hypothesized that patients who successfully passed the checklist before returning to sports would experience lower rates of ipsilateral and contralateral knee injuries at a 2-year follow-up as compared with patients who returned to play before completing the checklist. Study Design: Cohort study; Level of evidence, 2. Methods: First, a systematic review was performed to generate a list of the most common outcome measures used to assess return to play after ACLR. To refine our checklist, we conducted a survey with an expert panel of 10 medical professionals utilizing the Delphi technique. After the creation of the checklist, validation was performed by prospectively evaluating patients who had undergone ACLR for injury of the ipsilateral or contralateral knee, with a minimum 2-year follow-up. Results: After our systematic review of 60 studies, 7 criteria were included in the final checklist. During the period studied, October 2014 to December 2017, a total of 222 patients met the inclusion criteria and were enrolled in the study. At a minimum 2 years of follow-up, there were 146 patients who successfully passed the checklist and 38 who did not. Overall, 24 (16.4%) patients who had passed the checklist sustained an injury to either knee, as compared with 10 (26.3%) from the group that did not pass the checklist (P = .162). Of the group that passed the checklist, 8 (5.5%) patients sustained an injury to the ipsilateral knee, as compared with 7 (18.4%) in the group that did not pass (P = .017). Conclusion: Prospective validation of our checklist demonstrated that patients who successfully passed the checklist before returning to play experienced a significantly lower incidence of ipsilateral anterior cruciate ligament injury as compared with patients who did not pass the checklist.
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Affiliation(s)
- Christopher J. Hadley
- The Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Somnath Rao
- The Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Fotios P. Tjoumakaris
- Rothman Orthopaedic Institute at the Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Michael G. Ciccotti
- Rothman Orthopaedic Institute at the Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Christopher C. Dodson
- Rothman Orthopaedic Institute at the Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Paul A. Marchetto
- Rothman Orthopaedic Institute at the Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Sommer Hammoud
- Rothman Orthopaedic Institute at the Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Steven B. Cohen
- Rothman Orthopaedic Institute at the Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Kevin B. Freedman
- Rothman Orthopaedic Institute at the Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
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19
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Farmer B, Anderson D, Katsavelis D, Bagwell JJ, Turman KA, Grindstaff TL. Limb preference impacts single-leg forward hop limb symmetry index values following ACL reconstruction. J Orthop Res 2022; 40:200-207. [PMID: 33934379 PMCID: PMC8560653 DOI: 10.1002/jor.25073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 02/25/2021] [Accepted: 04/26/2021] [Indexed: 02/04/2023]
Abstract
Following anterior cruciate ligament (ACL) reconstruction limb dominance for performing tasks is not considered when making rehabilitation progression decisions. The purpose of this study was to determine if strength and functional outcomes differ between individuals who injured their preferred or nonpreferred jumping limb and to determine if these same outcomes differ between individuals who injured their preferred or nonpreferred limb used to kick a ball. A secondary purpose was to determine the association of quadriceps strength and single-leg forward hop performance with patient self-reported function. Forty individuals with ACL reconstruction (age = 20.0 ± 4.6 years, height = 174.2 ± 12.7 cm, mass = 71.2 ± 12.7 kg, time since surgery = 5.3 ± 0.8 months) were included in the study. Primary outcome measures included, International Knee Documentation Committee Subjective Knee Form (IKDC) scores, quadriceps limb symmetry index (LSI) values, and single-leg forward hop LSI values. Limb preference was defined two ways, kicking a ball and performing a unilateral jump. There were no significant differences between groups based on injury to the preferred limb to kick a ball for any of the outcome variables. Individuals who injured their nonpreferred jumping limb demonstrated significantly (p = 0.05, d = 0.77) lower single-leg forward hop LSI values (81.1% ± 19.5%) compared to individuals who injured their preferred jumping limb (94.1% ± 12.6%), but demonstrated no differences in IKDC scores or quadriceps LSI values. Quadriceps LSI and single-leg forward hop LSI explained 73% of the variance in IKDC scores, but quadriceps LSI had the strongest association (r = 0.790). These findings suggests that limb preference influences single forward hop LSI values and should be considered following ACL reconstruction.
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Affiliation(s)
- Brooke Farmer
- Department of Physical Therapy, Creighton University, 2500 California Plaza, Omaha, NE, USA
| | | | - Dimitrios Katsavelis
- Department of Exercise Science and Pre-Health Professions, Creighton University, 2500 California Plaza, Omaha, NE, USA
| | - Jennifer J. Bagwell
- Department of Physical Therapy, California State University Long Beach, 1250 Bellflower Blvd, Long Beach, CA, USA
| | | | - Terry L. Grindstaff
- Department of Physical Therapy, Creighton University, 2500 California Plaza, Omaha, NE, USA
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20
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Carter H, Lewis G, Smith BE. Preoperative predictors for a successful return to sport following anterior cruciate ligament reconstruction (ACLR): a protocol for a systematic review and meta-analysis. BMJ Open 2021; 11:e048295. [PMID: 34949606 PMCID: PMC8712982 DOI: 10.1136/bmjopen-2020-048295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
INTRODUCTION Return to sport (RTS) following anterior cruciate ligament reconstruction (ACLR) is the primary goal for most patients. However, the decision of when to RTS is difficult for patients and clinicians as it is based on limited available evidence. Over the past decade, a number of predictor variables have been associated with RTS after ACLR. We present a Preferred Reporting Items for Systematic Reviews and Meta-Analysis Protocols compliant protocol for a systematic review and meta-analysis of preoperative predictors for RTS/preinjury levels of physical activity following ACLR. METHODS AND ANALYSIS A literature search will be performed in six electronic databases (CINAHL, AMED, MEDLINE, SPORTDiscus and PsycINFO via EBSCOhost and Web of Science) from inception to December 2020. Prospective, retrospective and cross-sectional study designs will be included. To be included, studies will need to identify at least one preoperative predictor and identify the relationship between the predictor(s) and RTS/preinjury levels of physical activity following ACLR. Blinded assessment with consensus agreement will be applied for inclusion of studies, data extraction, risk of bias assessment using the Quality in Prognostic Studies tool and the Grading of Recommendations Assessment, Development and Evaluation framework. If data allows and studies are considered homogeneous, data will be pooled through a meta-analysis. If heterogenous, a narrative synthesis will be completed. Subgroup and sensitivity analyses will be completed, where appropriate. ETHICS AND DISSEMINATION Ethical permission is not required for this study. The results will be published in a peer-reviewed journal and presented at national and international conferences. PROSPERO REGISTRATION NUMBER CRD42020222567.
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Affiliation(s)
- Hayley Carter
- Department of Physiotherapy, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, UK
| | - Gwyn Lewis
- Department of Physiotherapy, Health and Rehabilitation Research Institute, Auckland University of Technology, Auckland, New Zealand
| | - Benjamin Edward Smith
- Department of Physiotherapy, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, UK
- Division of Rehabilitation, Ageing and Wellbeing, University of Nottingham, Nottingham, Nottinghamshire, UK
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21
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Crowley SG, Swindell HW, Saltzman BM, Ahmad CS, Popkin CA, Trofa DP. Rehabilitation Variability Following Femoral Condyle and Patellofemoral Microfracture Surgery of the Knee. Cartilage 2021; 13:1801S-1813S. [PMID: 34151611 PMCID: PMC8808894 DOI: 10.1177/19476035211025818] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE To assess the variability of postoperative rehabilitation protocols used by orthopedic surgery residency programs for microfracture of femoral condyle and patellofemoral lesions of the knee. DESIGN Online postoperative microfracture rehabilitation protocols from US orthopedic programs and the scientific literature were reviewed. A custom scoring rubric was developed to analyze each protocol for the presence of discrete rehabilitation modalities and the timing of each intervention. RESULTS A total of 18 programs (11.6%) from 155 US academic orthopedic programs' published online protocols and a total of 44 protocols were analyzed. Seventeen protocols (56.7%) recommended immediate postoperative bracing for femoral condyle lesions and 17 (89.5%) recommended immediate postoperative bracing for patellofemoral lesions. The average time to permitting weight-bearing as tolerated (WBAT) was 6.1 weeks (range, 0-8) for femoral condyle lesions and 3.7 weeks (range, 0-8 weeks) for patellofemoral lesions. There was considerable variation in the inclusion and timing of strength, proprioception, agility, and pivoting exercises. For femoral condyle lesions, 10 protocols (33.3%) recommended functional testing prior to return to sport at an average of 23.3 weeks postoperatively (range, 12-32 weeks). For patellofemoral lesions, 4 protocols (20.0%) recommended functional testing for return to sport at an average of 21.0 weeks postoperatively (range, 12-32 weeks). CONCLUSION A minority of US academic orthopedic programs publish microfracture rehabilitation protocols online. Among the protocols currently available, there is significant variability in the inclusion of specific rehabilitation components and timing of many modalities. Evidence-based standardization of elements of postoperative rehabilitation may help improve patient care and subsequent outcomes.
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Affiliation(s)
| | - Hasani W. Swindell
- Center for Shoulder, Elbow and Sports
Medicine, Columbia University, New York, NY, USA
| | | | - Christopher S. Ahmad
- Center for Shoulder, Elbow and Sports
Medicine, Columbia University, New York, NY, USA
| | - Charles A. Popkin
- Center for Shoulder, Elbow and Sports
Medicine, Columbia University, New York, NY, USA
| | - David P. Trofa
- Center for Shoulder, Elbow and Sports
Medicine, Columbia University, New York, NY, USA,David P. Trofa, Department of Orthopedic
Surgery, Columbia University Medical Center, New York, NY 10032, USA.
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22
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Influence of Patient Demographics and Surgical Characteristics on Pass Rates of Return-to-Activity Tests in Anterior Cruciate Ligament-Reconstructed Patients Before Physician Clearance. Clin J Sport Med 2021; 31:e354-e362. [PMID: 32073476 DOI: 10.1097/jsm.0000000000000790] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 09/13/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To identify the frequency of passing return-to-activity tests after anterior cruciate ligament reconstruction (ACLR) and to investigate the influence of patient-specific factors on pass rates. We hypothesized that isolated strength tests would be most difficult to pass and that graft type would be the most influential factor. DESIGN Cross-sectional. SETTING Laboratory. PARTICIPANTS Eighty patients with a history of primary, unilateral ACLR, and 80 healthy controls participated. INTERVENTIONS Bilateral isokinetic strength, isometric strength, and single-leg hop tests were recorded during a single visit. The International Knee Documentation Committee (IKDC) Subjective Knee Evaluation measured subjective knee function, and the Tegner Activity Scale measured physical activity level. MAIN OUTCOME MEASURES Pass rates were calculated for 3 thresholds of absolute between-limb asymmetry: 0% to 10%, 11% to 15%, and 16% to 20%. Pass rates were compared by sex (male and female), graft type (patellar and hamstrings), meniscal procedure (yes and no), physical activity level (</≥ median Tegner), and time from surgery (</≥ 6 months). RESULTS Isokinetic quadriceps strength was consistently most difficult to pass, whereas the 6-meter timed hop and crossover hop tests were easiest. Graft type had the greatest influence on pass rates (isometric quadriceps and hamstring strength, hamstrings-to-quadriceps ratio), followed by time from surgery (6-meter timed hop and crossover hop), physical activity (IKDC), and meniscal procedure (6-meter timed hop). CONCLUSIONS Isokinetic quadriceps strength was the most difficult test to pass, and single-leg hop tests were the easiest. Patient-specific factors including graft type, time from surgery, physical activity level, and meniscal procedure may influence the ability to meet return-to-activity criterion after ACLR.
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23
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Pfeiffer SJ, Spang JT, Nissman D, Lalush D, Wallace K, Harkey MS, Pietrosimone LS, Padua D, Blackburn T, Pietrosimone B. Association of Jump-Landing Biomechanics With Tibiofemoral Articular Cartilage Composition 12 Months After ACL Reconstruction. Orthop J Sports Med 2021; 9:23259671211016424. [PMID: 34368382 PMCID: PMC8299897 DOI: 10.1177/23259671211016424] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 01/12/2021] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Excessively high joint loading during dynamic movements may negatively influence articular cartilage health and contribute to the development of posttraumatic osteoarthritis after anterior cruciate ligament reconstruction (ACLR). Little is known regarding the link between aberrant jump-landing biomechanics and articular cartilage health after ACLR. PURPOSE/HYPOTHESIS The purpose of this study was to determine the associations between jump-landing biomechanics and tibiofemoral articular cartilage composition measured using T1ρ magnetic resonance imaging (MRI) relaxation times 12 months postoperatively. We hypothesized that individuals who demonstrate alterations in jump-landing biomechanics, commonly observed after ACLR, would have longer T1ρ MRI relaxation times (longer T1ρ relaxation times associated with less proteoglycan density). STUDY DESIGN Cross-sectional study; Level of evidence, 3. METHODS A total of 27 individuals with unilateral ACLR participated in this cross-sectional study. Jump-landing biomechanics (peak vertical ground-reaction force [vGRF], peak internal knee extension moment [KEM], peak internal knee adduction moment [KAM]) and T1ρ MRI were collected 12 months postoperatively. Mean T1ρ relaxation times for the entire weightbearing medial femoral condyle, lateral femoral condyle (global LFC), medial tibial condyle, and lateral tibial condyle (global LTC) were calculated bilaterally. Global regions of interest were further subsectioned into posterior, central, and anterior regions of interest. All T1ρ relaxation times in the ACLR limb were normalized to the uninjured contralateral limb. Linear regressions were used to determine associations between T1ρ relaxation times and biomechanics after accounting for meniscal/chondral injury. RESULTS Lower ACLR limb KEM was associated with longer T1ρ relaxation times for the global LTC (ΔR 2 = 0.24; P = .02), posterior LTC (ΔR 2 = 0.21; P = .03), and anterior LTC (ΔR 2 = 0.18; P = .04). Greater ACLR limb peak vGRF was associated with longer T1ρ relaxation times for the global LFC (ΔR 2 = 0.20; P = .02) and central LFC (ΔR 2 = 0.15; P = .05). Peak KAM was not associated with T1ρ outcomes. CONCLUSION At 12 months postoperatively, lower peak KEM and greater peak vGRF during jump landing were related to longer T1ρ relaxation times, suggesting worse articular cartilage composition.
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Affiliation(s)
- Steven J. Pfeiffer
- Ohio Musculoskeletal & Neurological Institute, Athens, Ohio, USA
- Division of Exercise Physiology, School of Applied Health Sciences and Wellness, College of Health Sciences and Professions, Athens, Ohio, USA
- MOTION Science Institute, Department of Exercise and Sports Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Jeffrey T. Spang
- Department of Orthopaedics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Daniel Nissman
- Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - David Lalush
- Joint Department of Biomedical Engineering, North Carolina State University and University of North Carolina at Chapel Hill, Raleigh, North Carolina, USA
| | - Kyle Wallace
- MOTION Science Institute, Department of Exercise and Sports Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Matthew S. Harkey
- Department of Kinesiology, Michigan State University, East Lansing, Michigan, USA
| | - Laura S. Pietrosimone
- Doctor of Physical Therapy Division, Department of Orthopedic Surgery, School of Medicine, Duke University, Durham, North Carolina, USA
| | - Darin Padua
- MOTION Science Institute, Department of Exercise and Sports Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Troy Blackburn
- MOTION Science Institute, Department of Exercise and Sports Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Brian Pietrosimone
- MOTION Science Institute, Department of Exercise and Sports Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
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24
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Fältström A, Hägglund M, Hedevik H, Kvist J. Poor Validity of Functional Performance Tests to Predict Knee Injury in Female Soccer Players With or Without Anterior Cruciate Ligament Reconstruction. Am J Sports Med 2021; 49:1441-1450. [PMID: 33844590 DOI: 10.1177/03635465211002541] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Various tests have been developed to evaluate athletes' functional performance and for use as screening tools for injury prediction. Further validation of their accuracy to predict injury is needed. PURPOSE To investigate the validity of predetermined cutoffs used to differentiate between high- and low-risk players in different functional performance tests to predict (1) anterior cruciate ligament (ACL) injury or (2) severe traumatic knee injury in a cohort of female soccer players with a primary unilateral ACL reconstruction and a cohort of knee-healthy players. STUDY DESIGN Cohort study; Level of evidence, 2. METHODS A total of 117 active female soccer players (mean age ± SD, 20 ± 2 years) an average of 19 ± 9 months after ACL reconstruction and 119 knee-healthy players (age, 19 ± 3 years) were prospectively followed up for 2 years for new knee injuries. At baseline, all players underwent tests to assess postural control (Star Excursion Balance Test), hop performance (single-leg hop for distance, side hop), and movement asymmetries in the lower limbs and trunk (drop vertical jump [DVJ], tuck jump). The predictive validity of the test cutoffs to identify players who would sustain an ACL injury or a severe traumatic knee injury (absence from soccer play, >28 days) was assessed. The risk ratio (RR), area under the receiver operating characteristic curve (AUC), sensitivity, and specificity were calculated. RESULTS A total of 46 players (39%) with ACL reconstruction sustained 48 severe knee injuries, including 28 ACL ruptures. Of the knee-healthy players, 13 (11%) sustained 14 severe knee injuries, including 8 ACL ruptures. No association was found between the predetermined functional performance test cutoffs and the risk of a new ACL injury or severe knee injury in players with ACL reconstruction. In knee-healthy players, the only variable associated with future ACL injury was ≥6.5 cm knee valgus in the frontal plane (any knee) in the DVJ (RR, 4.93; 95% CI, 1.04-23.40; P = .045), but with only fair predictive validity (AUC, 0.7; sensitivity, 0.75; specificity, 0.65). CONCLUSION In our cohorts of female soccer players, the validity of commonly used functional performance tests to predict new knee injuries was poor. Only knee valgus during the DVJ was associated with new ACL injuries in knee-healthy players, but with only fair predictive validity.
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Affiliation(s)
- Anne Fältström
- Region Jönköping County, Rehabilitation Centre, Ryhov County Hospital, Jönköping, Sweden.,Unit of Physiotherapy, Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Martin Hägglund
- Unit of Physiotherapy, Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Henrik Hedevik
- Unit of Physiotherapy, Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Joanna Kvist
- Unit of Physiotherapy, Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
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25
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Stiffler-Joachim MR, Lukes DH, Kliethermes SA, Heiderscheit BC. Lower Extremity Kinematic and Kinetic Asymmetries during Running. Med Sci Sports Exerc 2021; 53:945-950. [PMID: 33148971 DOI: 10.1249/mss.0000000000002558] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
PURPOSE The primary aims of this investigation were to describe the magnitude of asymmetries of common variables during running among healthy athletes and to determine if sex and speed influence magnitudes of asymmetry. METHODS This study analyzed routinely collected running gait data on healthy Division I collegiate athletes. All athletes had no history of lower extremity surgery, no lower extremity injuries for 3 months before testing, and running data available at 2.68, 2.95, 3.35, 3.80, and 4.47 m·s-1. Asymmetries were calculated for ground reaction forces, spatiotemporal metrics, joint kinematics, and joint kinetics. Separate linear mixed-effects models assessed the influence of sex, speed, and the interaction on asymmetries of interest. z Scores were calculated for significant effects to further assess the magnitude of differences. RESULTS Results from 204 athletes were included. The magnitude of asymmetry varied depending on the variable of interest, with asymmetries ≤3° observed for joint kinematics and greater asymmetries observed among joint work asymmetries ranging from 10% to 40%. No significant interactions between sex and speed were observed. Differences in sex and speed were noted; however, the effect sizes were very small based on z score comparison (-0.17 ≤ z ≤ 0.36) and were unlikely to be meaningful. CONCLUSIONS The magnitude of asymmetry varies considerably depending on the running gait variable. Interpretation of between-limb asymmetry in running mechanics needs to be specific to the variable of interest, whereas sex or running speed seem to be minor factors.
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Affiliation(s)
| | - Drew Henry Lukes
- Sports Rehabilitation, University of Wisconsin Hospitals and Clinics, Madison, WI
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26
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Roe C, Jacobs C, Hoch J, Johnson DL, Noehren B. Test Batteries After Primary Anterior Cruciate Ligament Reconstruction: A Systematic Review. Sports Health 2021; 14:205-215. [PMID: 33896240 DOI: 10.1177/19417381211009473] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
CONTEXT There is a lack of consensus regarding test batteries for return to sport (RTS) after anterior cruciate ligament reconstruction (ACLR). OBJECTIVE To report the RTS test batteries for individuals after ACLR and to examine alignment with the American Academy of Orthopaedic Surgeons (AAOS) Appropriate Use Criteria (AUC). Finally, to examine how published RTS batteries prior to the AAOS AUC (2010-2015) compared with those after publication of the AUC (2016-2020). DATA SOURCE A systematic search of PubMed (2010-2020). STUDY SELECTION Studies were included if they were published from 2010 to 2020, patients underwent primary ACLR and were tested between 6 months and 2 years postoperatively and included a minimum of 2 assessments. Studies were excluded if patients were tested outside the designated time; had undergone a revision, contralateral, or multiligament injury; included healthy participants; were level 5 evidence or the study was a systematic review. A total of 1012 articles were reviewed and 63 met the criteria. STUDY DESIGN Systematic review. LEVEL OF EVIDENCE Level 4. DATA EXTRACTION Information regarding the RTS batteries and patient demographics were extracted from the included articles. RESULTS A total of 63 studies met the inclusion and exclusion criteria (22 from 2010-2015 and 41 from 2016-2020). The most common RTS batteries included the hop test, quadriceps strength test, and patient-reported outcome measures. No study met all 7 AUC; the most common criteria met were functional skills (98.4%), followed by confidence (22.2%), then range of motion and knee stability (20.6%). CONCLUSION The test batteries in the current literature show high variability and a lack of essential components necessary for RTS. No study met the AUC guidelines, suggesting a disconnect between recommended guidelines and clinical practice. Test battery research has expanded over the past decade; however, standardized, clinically applicable batteries that encompass all criteria are needed.
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Affiliation(s)
- Chelsey Roe
- Department of Physical Therapy, University of Kentucky, Lexington, Kentucky
| | - Cale Jacobs
- Department of Orthopedic Surgery & Sports Medicine, University of Kentucky, Lexington, Kentucky
| | - Johanna Hoch
- Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, Kentucky
| | - Darren L Johnson
- Department of Orthopedic Surgery & Sports Medicine, University of Kentucky, Lexington, Kentucky
| | - Brian Noehren
- Department of Physical Therapy, University of Kentucky, Lexington, Kentucky
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27
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Faleide AGH, Magnussen LH, Strand T, Bogen BE, Moe-Nilssen R, Mo IF, Vervaat W, Inderhaug E. The Role of Psychological Readiness in Return to Sport Assessment After Anterior Cruciate Ligament Reconstruction. Am J Sports Med 2021; 49:1236-1243. [PMID: 33656938 PMCID: PMC8020301 DOI: 10.1177/0363546521991924] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Knowledge about the predictive value of return to sport (RTS) test batteries applied after anterior cruciate ligament reconstruction (ACLR) is limited. Adding assessment of psychological readiness has been recommended, but knowledge of how this affects the predictive ability of test batteries is lacking. PURPOSE To examine the predictive ability of a RTS test battery on return to preinjury level of sport and reinjury when evaluation of psychological readiness was incorporated. STUDY DESIGN Cohort study; Level of evidence, 2. METHODS A total of 129 patients were recruited 9 months after ACLR. Inclusion criteria were age ≥16 years and engagement in sports before injury. Patients with concomitant ligamentous surgery or ACL revision surgery were excluded. Baseline testing included single-leg hop tests, isokinetic strength tests, the International Knee Documentation Committee (IKDC) Subjective Knee Form 2000, a custom-made RTS questionnaire, and the Anterior Cruciate Ligament-Return to Sport after Injury (ACL-RSI) scale. The RTS criteria were IKDC 2000 score ≥85% and ≥85% leg symmetry index on hop and strength test. At a 2-year follow-up evaluation, further knee surgery and reinjuries were registered and the RTS questionnaire was completed again. Regression analyses and receiver operating characteristic analyses were performed to study the predictive ability of the test battery. RESULTS Out of the 103 patients who completed the 2-year follow-up, 42% returned to their preinjury level of sport. ACL-RSI 9 months after surgery (odds ratio [OR], 1.03) and age (OR, 1.05) predicted RTS. An ACL-RSI score <47 indicated that a patient was at risk of not returning to sport (area under the curve 0.69; 95% CI, 0.58-0.79), with 85% sensitivity and 45% specificity. The functional tests did not predict RTS. Six patients sustained ACL reinjuries and 7 underwent surgery for other knee complaints/injuries after RTS testing. None of the 29 patients who passed all RTS criteria, and were therefore cleared for RTS, sustained a second knee injury. CONCLUSION ACL-RSI and age were predictors of 2-year RTS, while functional tests were not informative. Another main finding was that none of the patients who passed the 85% RTS criteria sustained another knee injury.
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Affiliation(s)
- Anne Gro Heyn Faleide
- Haraldsplass Deaconess Hospital, Bergen,
Norway,University of Bergen, Bergen,
Norway,Anne Gro Heyn Faleide, PT, MSc, Haraldsplass Deaconess Hospital,
V/Avdeling for Rehabiliteringstjenester, Postboks 6165, Bergen, 5892, Norway
() (Twitter:
@Knegruppen)
| | | | | | - Bård Erik Bogen
- Haraldsplass Deaconess Hospital, Bergen,
Norway,Western Norway University of Applied
Sciences, Bergen, Norway
| | | | | | | | - Eivind Inderhaug
- University of Bergen, Bergen,
Norway,Haukeland University Hospital, Bergen,
Norway
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28
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Meredith SJ, Rauer T, Chmielewski TL, Fink C, Diermeier T, Rothrauff BB, Svantesson E, Hamrin Senorski E, Hewett TE, Sherman SL, Lesniak BP, Symposium P. Return to sport after anterior cruciate ligament injury: Panther Symposium ACL Injury Return to Sport Consensus Group. J ISAKOS 2021; 6:138-146. [PMID: 34006577 DOI: 10.1136/jisakos-2020-000495] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2020] [Indexed: 11/03/2022]
Abstract
OBJECTIVES A precise and consistent definition of return to sport (RTS) after anterior cruciate ligament (ACL) injury is lacking, and there is controversy surrounding the process of returning patients to sports and their previous activity level. The aim of the Panther Symposium ACL Injury RTS Consensus Group was to provide a clear definition of RTS after ACL injury and description of the RTS continuum, as well as provide clinical guidance on RTS testing and decision-making. METHODS An international, multidisciplinary group of ACL experts convened as part of a consensus meeting. Consensus statements were developed using a modified Delphi method. Literature review was performed to report the supporting evidence. RESULTS Key points include that RTS is characterised by achievement of the preinjury level of sport and involves a criteria-based progression from return to participation to RTS, and ultimately return to performance. Purely time-based RTS decision-making should be abandoned. Progression occurs along an RTS continuum with decision-making by a multidisciplinary group that incorporates objective physical examination data and validated and peer-reviewed RTS tests, which should involve functional assessment as well as psychological readiness. Consideration should be given to biological healing, contextual factors and concomitant injuries. CONCLUSION The resultant consensus statements and scientific rationale aim to inform the reader of the complex process of RTS after ACL injury that occurs along a dynamic continuum. Research is needed to determine the ideal RTS test battery, the best implementation of psychological readiness testing and methods for the biological assessment of healing and recovery.
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Affiliation(s)
- Sean J Meredith
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, Maryland, USA .,Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Thomas Rauer
- Klinik für Traumatologie, UniversitätsSpital Zürich, Zurich, Switzerland
| | | | - Christian Fink
- Gelenkpunkt-Sports and Joint Surgery Innsbruck, Innsbruck, Austria
| | - Theresa Diermeier
- Department of Sportorthopedic, Technical University of Munich, Munchen, Germany
| | - Benjamin B Rothrauff
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Eleonor Svantesson
- Department of Orthopedics, Institute of Clinical Sciences, University of Gothenburg, Gothenburg, Sweden.,Gothenburg Sport Trauma Research Center, Gothenburg, Sweden
| | - Eric Hamrin Senorski
- Gothenburg Sport Trauma Research Center, Gothenburg, Sweden.,Department of Health and Rehabilitation, University of Gothenburg, Gothenburg, Sweden
| | | | - Seth L Sherman
- Department of Orthopaedic Surgery, Stanford Medicine, Stanford, California, USA
| | - Bryson P Lesniak
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Panther Symposium
- Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
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Franck F, Saithna A, Vieira TD, Pioger C, Vigne G, Le Guen M, Rogowski I, Fayard JM, Thaunat M, Sonnery-Cottet B. Return to Sport Composite Test After Anterior Cruciate Ligament Reconstruction (K-STARTS): Factors Affecting Return to Sport Test Score in a Retrospective Analysis of 676 Patients. Sports Health 2021; 13:364-372. [PMID: 33550916 DOI: 10.1177/1941738120978240] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Return to sport (RTS) to the preinjury level is the main purpose after anterior cruciate ligament (ACL) reconstruction but the factors affecting the RTS are not completely known. Knee Santy Athletic Return to Sport (K-STARTS) is a composite test designed to assess readiness for RTS after ACL reconstruction. PURPOSE To determine the key factors that influence K-STARTS scores in a large cohort of patients after ACL reconstruction. STUDY DESIGN Case-control study. LEVEL OF EVIDENCE Level 3. METHODS A retrospective analysis of prospectively collected data was undertaken. All patients who underwent ACL reconstruction surgery between March 2016 and May 2017 and also had a K-STARTS assessment at 6 months postoperatively were included. To identify factors influencing the K-STARTS score, an analysis of variance was performed. Age, sex, sports level, delay between injury and surgery, concomitant lesions, graft type, additional lateral tenodesis procedure, and participation in the RTS program were analyzed to identify factors influencing the K-STARTS score. RESULTS A total of 676 patients were included in the study. The K-STARTS score was significantly higher in male patients than in female patients (13.9 vs 12.4; P < 0.001), in younger patients (those aged <30 years vs older patients; 14.2 vs 12; P < 0.001), ACL reconstructions performed with hamstring tendon autografts compared with bone-patellar tendon-bone (13.5 vs 13.1; P = 0.03) and in those who completed a specific RTS program in addition to standard rehabilitation, compared with those who did not participate (17.1 vs 13.1; P < 0.001). However, the only factor that significantly influenced the K-STARTS score beyond the minimal detectable change threshold was the completion of the additional RTS program. The preinjury frequency of sports participation, whether the dominant limb was injured, time from injury to surgery, the presence of associated meniscal injuries, and whether a lateral tenodesis was performed did not significantly influence the K-STARTS score. CONCLUSION Completion of a specific RTS program, in addition to standard rehabilitation, was the most important factor influencing the K-STARTS composite functional and psychological RTS test score at 6 months after ACL reconstruction. CLINICAL RELEVANCE This study shows that the completion of a specific RTS program affects positively the RTS test score at 6 months after ACL reconstruction.
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Affiliation(s)
- Florent Franck
- Centre Orthopédique Santy, Lyon, France.,Hopital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Adnan Saithna
- Arizona Brain, Spine & Sports Injuries Center, Scottsdale, Arizona
| | - Thais Dutra Vieira
- Centre Orthopédique Santy, Lyon, France.,Hopital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Charles Pioger
- Centre Orthopédique Santy, Lyon, France.,Hopital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | | | | | - Isabelle Rogowski
- Laboratoire Interuniversitaire de Biologie de la Motricité, Université de Lyon, Villeurbanne Cedex, France
| | - Jean-Marie Fayard
- Centre Orthopédique Santy, Lyon, France.,Hopital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Mathieu Thaunat
- Centre Orthopédique Santy, Lyon, France.,Hopital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Bertrand Sonnery-Cottet
- Centre Orthopédique Santy, Lyon, France.,Hopital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
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Chaput M, Palimenio M, Farmer B, Katsavelis D, Bagwell JJ, Turman KA, Wichman C, Grindstaff TL. Quadriceps Strength Influences Patient Function More Than Single Leg Forward Hop During Late-Stage ACL Rehabilitation. Int J Sports Phys Ther 2021; 16:145-155. [PMID: 33604144 PMCID: PMC7872464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 07/21/2020] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND A comprehensive battery of tests are used to inform return to play decisions following anterior cruciate ligament (ACL) reconstruction. Performance measures contribute to patient function, but it is not clear if achieving symmetrical performance on strength and hop tests is sufficient or if a patient also needs to meet minimum unilateral thresholds. HYPOTHESIS/PURPOSE To determine the association of quadriceps strength and single-leg forward hop performance with patient-reported function, as measured by the IKDC Subjective Knee Form (IKDC), during late-stage ACL rehabilitation. A secondary purpose was to determine which clinical tests were the most difficult for participants to pass. STUDY DESIGN Descriptive Laboratory Study. METHODS Forty-eight individuals with a history of ACL-R (32 female, 16 male; mean±SD age=18.0±2.7 y; height=172.4±7.6 cm; mass=69.6±11.4 kg; time since surgery=7.7±1.8 months; IKDC=86.8±10.6) completed the IKDC survey, quadriceps isometric strength, and single-leg forward hop performance. The relationship between IKDC scores and performance measures (LSI and involved limb) was determined using stepwise linear regression. Frequency counts were used to determine whether participants met clinical thresholds (IKDC ≥ 90%, quadriceps and single-leg forward hop LSI ≥ 90%, quadriceps peak torque ≥ 3.0 Nm/kg, and single-leg forward hop ≥ 80% height for females and ≥ 90% height for males). RESULTS Quadriceps LSI and involved limb peak torque explained 39% of the variance in IKDC scores while measures of single-leg forward hop performance did not add to the predictive model. Nearly 90% of participants could not meet established clinical thresholds on all five tests and quadriceps strength (LSI and peak torque) was the most common unmet criteria (71% of participants). CONCLUSIONS During late-stage ACL rehabilitation deficits in quadriceps strength contribute more to patient function and are greater in magnitude compared to hop test performance. LEVEL OF EVIDENCE Cross-Sectional Study, Level 3.
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Klasan A, Putnis SE, Grasso S, Kandhari V, Oshima T, Parker DA. Tegner level is predictive for successful return to sport 2 years after anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2021; 29:3010-3016. [PMID: 33118063 PMCID: PMC8384787 DOI: 10.1007/s00167-020-06335-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 10/13/2020] [Indexed: 11/30/2022]
Abstract
PURPOSE For a successful return to sport (RTS) after an anterior cruciate ligament reconstruction (ACLR), patients are recommended to attend a comprehensive rehabilitation program, followed by an RTS assessment, that is a combination of tests. The purpose of this study was to predict a successful return to sport using the results of the RTS assessment and self-reported questionnaires at minimum 2 years after ACLR. METHODS A total of 123 consecutive ACLR patients undertook an intensive rehabilitation program followed by a comprehensive RTS assessment that included an established combination of balance and strength tests, the ACL-return to sport after Injury scale (ACL-RSI) questionnaire and a KT1000 laximetry test. Preinjury and expected Tegner and Lysholm were collected at baseline, at RTS and prospectively collected at minimum 2-year follow-up. The patients were asked if they returned to their previous sport and at which level. All variables were included in a regression analysis predicting a successful return to previous sport, return to the same level of sport as well as the Tegner level at 2 years. RESULTS Sixty-two patients (50%) returned to their previous sport by the 2-year follow-up, without a difference in preinjury Tegner between these two groups (n.s.). Expected preoperative Tegner was the only significant predictor of a successful return to previous sport (p = 0.042; OR 1.300, 95% CI 1.010-1.672). Out of the 62 patients returning to their previous sport, 38 (61%) reported to be on the same or higher level. The only predictive variable for returning to the same level was the higher preinjury Tegner level (p = 0.048; OR 1.522). Multivariate regression analysis of Tegner level at 2 years found younger age to be the only predictive value. From the RTS assessment tests, the ACL-RSI questionnaire and the posterolateral balance test were predictive variables for Tegner at 2-year follow-up, albeit in the univariate regression analysis. CONCLUSIONS Preoperative Tegner and expected Tegner level collected prior to an ACL reconstruction can aid in the objective prediction of patients' return to sport after 2 years. High-level athletes are more likely to return to their previous sport and to the previous level. Younger patients achieve a higher Tegner level at 2 years. LEVEL OF EVIDENCE Level III study.
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Affiliation(s)
- Antonio Klasan
- Sydney Orthopaedic Research Institute, 445 Victoria Ave, Chatswood, NSW, 2067, Australia.
- Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Johannes Kepler University Linz, Krankenhausstrasse 9, 4020 Linz and Altenberger Strasse 69, 4040, Linz, Austria.
| | - Sven Edward Putnis
- Sydney Orthopaedic Research Institute, 445 Victoria Ave, Chatswood, NSW, 2067, Australia
| | - Samuel Grasso
- Sydney Orthopaedic Research Institute, 445 Victoria Ave, Chatswood, NSW, 2067, Australia
| | - Vikram Kandhari
- Sydney Orthopaedic Research Institute, 445 Victoria Ave, Chatswood, NSW, 2067, Australia
| | - Takeshi Oshima
- Sydney Orthopaedic Research Institute, 445 Victoria Ave, Chatswood, NSW, 2067, Australia
| | - David Anthony Parker
- Sydney Orthopaedic Research Institute, 445 Victoria Ave, Chatswood, NSW, 2067, Australia
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Chen J, Cho E, Xu C, Zhao J. A New Rating Scale for the Rapid Evaluation of High-Level Sports Ability. Orthop J Sports Med 2020; 8:2325967120964883. [PMID: 33330733 PMCID: PMC7720328 DOI: 10.1177/2325967120964883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 06/11/2020] [Indexed: 11/17/2022] Open
Abstract
Background: Nearly half of patients with an anterior cruciate ligament (ACL) injury who have returned to sport after ACL reconstruction can return to sports activity at a competitive level, so emphasis should be focused not only on the timing of return to the sport but also on measuring the ability to participate in high-level sports activity. Purpose: To develop and evaluate a new, self-administered rating scale for rapid evaluation of high-level sports ability among community-level athletes who return to sports after ACL reconstruction surgery. Study Design: Cohort study (diagnosis); Level of evidence, 2. Methods: We developed the new rating scale—the Knee Stability in Sports/Cutting-Pivoting Ability (KSS/CPA) scale—in 2 stages. Initially, we used a survey and roundtable discussion to achieve an expert consensus for the KSS/CPA scale from a group of independent orthopaedic experts. Next, 77 amateur athletes who underwent ACL reconstruction by a single surgeon were recruited for a background analysis of data to compare the new scale with results from the Marx activity rating scale, Tegner activity scale, International Knee Documentation Committee Subjective Knee Form, and self-assessment of overall knee function. Results: The KSS/CPA scale was applicable and effective for evaluating the high-level sports ability of community-level athletes who had returned to their sport after ACL reconstruction. Statistical analysis confirmed the test-retest reliability of the new rating scale (intraclass correlation coefficient, 0.85/0.84 postoperatively) as well as its internal consistency (Cronbach alpha coefficient, 0.73 preoperatively and 0.89 postoperatively), construct validity (Spearman correlation coefficient, >0.35 postoperatively), excellent discriminant validity, acceptable responsiveness, and reasonable minimal detectable change (<25). Conclusion: The KSS/CPA scale can act as a supplement to other clinical outcome measures for a more comprehensive evaluation of community-level athletes’ cutting-pivoting ability and knee stability.
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Affiliation(s)
- Jiebo Chen
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Eunshinae Cho
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Caiqi Xu
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jinzhong Zhao
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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Nielsen JL, Arp K, Villadsen ML, Christensen SS, Aagaard P. Rate of Force Development Remains Reduced in the Knee Flexors 3 to 9 Months After Anterior Cruciate Ligament Reconstruction Using Medial Hamstring Autografts: A Cross-Sectional Study. Am J Sports Med 2020; 48:3214-3223. [PMID: 33079573 DOI: 10.1177/0363546520960108] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Anterior cruciate ligament (ACL) rupture is a serious injury with a high prevalence worldwide, and subsequent ACL reconstructions (ACLR) appear to be most commonly performed using hamstring-derived (semitendinosus tendon) autografts. Recovery of maximal muscle strength to ≥90% of the healthy contralateral limb is considered an important criterion for safe return to sports. However, the speed of developing muscular force (ie, the rate of force development [RFD]) is also important for the performance of many types of activities in sports and daily living, yet RFD of the knee extensor and flexor muscles has apparently never been examined in patients who undergo ACLR with hamstring autograft (HA). PURPOSE To examine potential deficits in RFD, maximal muscle strength (ie, maximal voluntary isometric contraction [MVIC]), and functional capacity of ACLR-HA limbs in comparison with the healthy contralateral leg and matched healthy controls 3 to 9 months after surgery. STUDY DESIGN Cross-sectional study; Level of evidence: 3. METHODS A total of 23 young patients who had undergone ACLR-HA 3 to 9 months earlier were matched by age to 14 healthy controls; both groups underwent neuromuscular screening. Knee extensor and flexor MVIC and RFD, as well as functional capacity (single-leg hop for distance [SLHD] test, timed single-leg sit-to-stand [STS] test), were assessed on both limbs. Furthermore, patient-reported knee function (Knee injury and Osteoarthritis Outcome Score) was assessed. RESULTS Knee extensor and flexor MVIC and RFD were markedly compromised in ACLR-HA limbs compared with healthy contralateral limbs (MVIC for extensor and flexor, 13% and 26%, respectively; RFD, 14%-17% and 32%-39%) and controls (MVIC, 16% and 31%; RFD, 14%-19% and 30%-41%) (P < .05-.001). Further, ACLR-HA limbs showed reduced functional capacity (reduced SLHD and STS performance) compared with contralateral limbs (SLHD, 11%; STS, 14%) and controls (SLHD, 20%; STS, 31%) (P < .01-.001). Strength (MVIC) and functional (SLHD) parameters were positively related to the duration of time after surgery (P < .05), although this relationship was not observed for RFD and STS. CONCLUSION Knee extensor and flexor RFD and maximal strength, as well as functional single-leg performance, remained substantially reduced in ACLR-HA limbs compared with noninjured contralateral limbs and healthy controls 3 to 9 months after reconstructive surgery.
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Affiliation(s)
- Jakob Lindberg Nielsen
- Department of Sports Science and Clinical Biomechanics, Muscle Physiology and Biomechanics Research Unit, University of Southern Denmark, Odense, Denmark
| | - Kamilla Arp
- Department of Orthopedic Surgery, Vejle Hospital, Vejle, Denmark
| | - Mette Lysemose Villadsen
- Department of Sports Science and Clinical Biomechanics, Muscle Physiology and Biomechanics Research Unit, University of Southern Denmark, Odense, Denmark
| | - Stine Sommer Christensen
- Department of Sports Science and Clinical Biomechanics, Muscle Physiology and Biomechanics Research Unit, University of Southern Denmark, Odense, Denmark
| | - Per Aagaard
- Department of Sports Science and Clinical Biomechanics, Muscle Physiology and Biomechanics Research Unit, University of Southern Denmark, Odense, Denmark
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Goto S, Garrison JC, Hannon JP, N. Grondin A, Bothwell JM, Wang-Price S, Bush CA, Papaliodis DN, Dietrich LN. Quadriceps strength changes across the continuum of care in adolescent male and female athletes with anterior cruciate ligament injury and reconstruction. Phys Ther Sport 2020; 46:214-219. [DOI: 10.1016/j.ptsp.2020.08.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/28/2020] [Accepted: 08/31/2020] [Indexed: 01/02/2023]
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Meredith SJ, Rauer T, Chmielewski TL, Fink C, Diermeier T, Rothrauff BB, Svantesson E, Hamrin Senorski E, Hewett TE, Sherman SL, Lesniak BP. Return to sport after anterior cruciate ligament injury: Panther Symposium ACL Injury Return to Sport Consensus Group. Knee Surg Sports Traumatol Arthrosc 2020; 28:2403-2414. [PMID: 32347344 DOI: 10.1007/s00167-020-06009-1] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 04/16/2020] [Indexed: 01/07/2023]
Abstract
PURPOSE A precise and consistent definition of return to sport (RTS) after anterior cruciate ligament (ACL) injury is lacking, and there is controversy surrounding the process of returning patients to sports and their previous activity level. The aim of the Panther Symposium ACL Injury RTS Consensus Group was to provide a clear definition of RTS and description of the RTS continuum, as well as to provide clinical guidance on RTS testing and decision-making. METHODS An international, multidisciplinary group of ACL experts convened as part of a consensus meeting. Consensus statements were developed using a modified Delphi method. Literature review was performed to report the supporting evidence. RESULTS Key points include that RTS is characterized by achievement of the pre-injury level of sport and involves a criteria-based progression from return to participation to return to sport, and ultimately return to performance. Purely time-based RTS decision-making should be abandoned. Progression occurs along a RTS continuum with decision-making by a multidisciplinary group that incorporates objective physical examination data and validated and peer-reviewed RTS tests, which should involve functional assessment as well as psychological readiness. Consideration should be given to biological healing, contextual factors and concomitant injuries. CONCLUSION The resultant consensus statements and scientific rationale aim to inform the reader of the complex process of RTS after ACL injury that occurs along a dynamic continuum. Research is needed to determine the ideal RTS test battery, the best implementation of psychological readiness testing and methods for the biologic assessment of healing and recovery. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- Sean J Meredith
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD, USA.
- UPMC Freddie Fu Sports Medicine Center, Department of Orthopaedic Surgery, University of Pittsburgh, 3200 S Water St, Pittsburgh, 15203, PA, USA.
| | - Thomas Rauer
- UPMC Freddie Fu Sports Medicine Center, Department of Orthopaedic Surgery, University of Pittsburgh, 3200 S Water St, Pittsburgh, 15203, PA, USA
- Department of Trauma Surgery, University Hospital Zurich, Zurich, Switzerland
| | | | - Christian Fink
- Gelenkpunkt-Sports and Joint Surgery Innsbruck, Innsbruck, Austria
- Research Unit for Orthopaedic Sports Medicine and Injury Prevention (OSMI), UMIT, Hall in Tirol, Austria
| | - Theresa Diermeier
- Department of Sportorthopedics, Klinikum rechts der Isar Technische Universitat Munchen, Munchen, Germany
| | - Benjamin B Rothrauff
- UPMC Freddie Fu Sports Medicine Center, Department of Orthopaedic Surgery, University of Pittsburgh, 3200 S Water St, Pittsburgh, 15203, PA, USA
| | - Eleonor Svantesson
- Department of Orthopedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Gothenburg Sport Trauma Research Center, Gothenburg, Sweden
| | - Eric Hamrin Senorski
- Gothenburg Sport Trauma Research Center, Gothenburg, Sweden
- Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | | | - Seth L Sherman
- Department of Orthopaedic Surgery, Stanford Medicine, Stanford, CA, USA
| | - Bryson P Lesniak
- UPMC Freddie Fu Sports Medicine Center, Department of Orthopaedic Surgery, University of Pittsburgh, 3200 S Water St, Pittsburgh, 15203, PA, USA
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Edwards MD, Bethea JP, Hunnicutt JL, Slone HS, Woolf SK. Effect of Adductor Canal Block Versus Femoral Nerve Block on Quadriceps Strength, Function, and Postoperative Pain After Anterior Cruciate Ligament Reconstruction: A Systematic Review of Level 1 Studies. Am J Sports Med 2020; 48:2305-2313. [PMID: 31800300 DOI: 10.1177/0363546519883589] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Femoral nerve block (FNB) is a popular technique for reducing postoperative pain in patients with anterior cruciate ligament reconstruction (ACLR), but it is also linked to a number of adverse effects, such as quadriceps weakness, antalgic ambulation, and increased fall risk. Adductor canal block (ACB) has been offered as a motor nerve-sparing alternative to FNB. PURPOSE To evaluate available literature that compares the effects of ACB and FNB on functional outcomes after arthroscopic ACLR. STUDY DESIGN Systematic review. METHODS Following the 2009 PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, a search of PubMed (Ovid), CINAHL, Scopus, Cochrane, and Google Scholar databases was conducted. Search terms were designed to capture studies comparing the effects of ACB and FNB in patients undergoing arthroscopic ACLR. Data were evaluated regarding study and patient characteristics, functional measures, opioid consumption, pain scores, and complications. RESULTS Eight randomized controlled trials (N = 655 patients) comparing the efficacy of ACB versus FNB in arthroscopic ACLR were included. The heterogeneity of outcome measures precluded meta-analysis. Seven studies reported functional measures, which included isokinetic strength, straight-leg raise, and other various measures. Follow-up periods varied between 1 hour and 6 months. In 3 trials, ACB was found to preserve quadriceps strength as measured using straight-leg raise for the first 12 to 24 hours after surgery, while 3 other trials found no difference between the groups. No differences were reported in isokinetic strength at 6 months. In other functional measures, ACB either outperformed or was equivalent to FNB. The majority of studies reporting opioid consumption, pain scores, and complications found no differences between the blocks. CONCLUSION This systematic review suggests that when compared with FNB, ACB preserves quadriceps function in the early postoperative period after ACLR while providing a similar level of analgesia. Limitations of this study include the use of various functional measures and limited long-term follow-up. More research evaluating long-term functional outcomes with standardized measures is needed to draw adequate conclusions regarding the effects of ACB and FNB on function after ACLR.
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Affiliation(s)
- Matthew Dean Edwards
- Department of Orthopaedics and Physical Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Joseph Preston Bethea
- Department of Orthopaedics and Physical Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | | | - Harris Scott Slone
- Department of Orthopaedics and Physical Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Shane Kelby Woolf
- Department of Orthopaedics and Physical Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
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Meredith SJ, Rauer T, Chmielewski TL, Fink C, Diermeier T, Rothrauff BB, Svantesson E, Hamrin Senorski E, Hewett TE, Sherman SL, Lesniak BP, Bizzini M, Chen S, Cohen M, Villa SD, Engebretsen L, Feng H, Ferretti M, Fu FH, Imhoff AB, Kaeding CC, Karlsson J, Kuroda R, Lynch AD, Menetrey J, Musahl V, Navarro RA, Rabuck SJ, Siebold R, Snyder-Mackler L, Spalding T, van Eck C, Vyas D, Webster K, Wilk K. Return to Sport After Anterior Cruciate Ligament Injury: Panther Symposium ACL Injury Return to Sport Consensus Group. Orthop J Sports Med 2020; 8:2325967120930829. [PMID: 32647735 PMCID: PMC7328222 DOI: 10.1177/2325967120930829] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 04/20/2020] [Indexed: 12/28/2022] Open
Abstract
Background A precise and consistent definition of return to sport (RTS) after anterior cruciate ligament (ACL) injury is lacking, and there is controversy surrounding the process of returning patients to sport and their previous activity level. Purpose The aim of the Panther Symposium ACL Injury Return to Sport Consensus Group was to provide a clear definition of RTS after ACL injury and a description of the RTS continuum as well as provide clinical guidance on RTS testing and decision-making. Study Design Consensus statement. Methods An international, multidisciplinary group of ACL experts convened as part of a consensus meeting. Consensus statements were developed using a modified Delphi method. Literature review was performed to report the supporting evidence. Results Key points include that RTS is characterized by achievement of the preinjury level of sport and involves a criteria-based progression from return to participation to RTS and, ultimately, return to performance. Purely time-based RTS decision-making should be abandoned. Progression occurs along an RTS continuum, with decision-making by a multidisciplinary group that incorporates objective physical examination data and validated and peer-reviewed RTS tests, which should involve functional assessment as well as psychological readiness. Consideration should be given to biological healing, contextual factors, and concomitant injuries. Conclusion The resultant consensus statements and scientific rationale aim to inform the reader of the complex process of RTS after ACL injury that occurs along a dynamic continuum. Research is needed to determine the ideal RTS test battery, the best implementation of psychological readiness testing, and methods for the biological assessment of healing and recovery.
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Affiliation(s)
- Sean J Meredith
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Thomas Rauer
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Terese L Chmielewski
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Christian Fink
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Theresa Diermeier
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Benjamin B Rothrauff
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Eleonor Svantesson
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Eric Hamrin Senorski
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Timothy E Hewett
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Seth L Sherman
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Bryson P Lesniak
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | | | - Mario Bizzini
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Shiyi Chen
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Moises Cohen
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Stefano Della Villa
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Lars Engebretsen
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Hua Feng
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Mario Ferretti
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Freddie H Fu
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Andreas B Imhoff
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Christopher C Kaeding
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Jon Karlsson
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Ryosuke Kuroda
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Andrew D Lynch
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Jacques Menetrey
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Volker Musahl
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Ronald A Navarro
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Stephen J Rabuck
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Rainer Siebold
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Lynn Snyder-Mackler
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Tim Spalding
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Carola van Eck
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Dharmesh Vyas
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Kate Webster
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Kevin Wilk
- Investigation performed at the University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
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Turpeinen J, Freitas TT, Rubio‐Arias JÁ, Jordan MJ, Aagaard P. Contractile rate of force development after anterior cruciate ligament reconstruction—a comprehensive review and meta‐analysis. Scand J Med Sci Sports 2020; 30:1572-1585. [DOI: 10.1111/sms.13733] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Revised: 05/17/2020] [Accepted: 05/18/2020] [Indexed: 01/01/2023]
Affiliation(s)
| | - Tomás T. Freitas
- UCAM Research Center for High Performance Sport Murcia Spain
- NAR—Nucleus of High Performance in Sport São Paulo Brazil
| | - Jacobo Ángel Rubio‐Arias
- UCAM Research Center for High Performance Sport Murcia Spain
- LFE Research Group Department of Health and Human Performance Faculty of Physical Activity and Sport Science‐INEF Universidad Politécnica de Madrid Madrid Spain
| | | | - Per Aagaard
- Department of Sports Science and Clinical Biomechanics SDU Muscle Research Cluster (SMRC) University of Southern Denmark Odense M Denmark
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Read P, Mc Auliffe S, Wilson MG, Myer GD. Better reporting standards are needed to enhance the quality of hop testing in the setting of ACL return to sport decisions: a narrative review. Br J Sports Med 2020; 55:23-29. [PMID: 32522734 PMCID: PMC7788201 DOI: 10.1136/bjsports-2019-101245] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/19/2020] [Indexed: 11/28/2022]
Abstract
Background/aim There is a lack of consistency in return to sport (RTS) assessments, in particular hop tests to predict who will sustain a reinjury following anterior cruciate ligament (ACL) reconstruction. Inconsistent test battery content and methodological heterogeneity might contribute to variable associations between hop test performance and subsequent injury. Our aim was to investigate whether commonly used hop tests are administered in a consistent manner and in accordance with reported guidelines. Methods We conducted a narrative review of studies that examined whether hop testing could differentiate RTS pass rates, reinjury and rerupture in athletes after ACL reconstruction. Our specific focus was on the methodological procedures of hop testing as this component is widely used to evaluate patients’ function and readiness to RTS. Main findings Substantial variation exists in RTS hop test administration, scoring and interpretation. Authors often failed to report important details of methods such as warm up activities, randomisation, number of trials, rest periods and landing requirements. Conclusion We recommend researchers provide clearer descriptions of how hop tests are performed to increase standardisation and promote accurate data collection. Absence of reporting to describe test methods and using different test procedures makes it difficult to compare study findings.
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Affiliation(s)
- Paul Read
- Research Department, Aspetar Orthopeadic and Sports Medicine Hospital, Doha, Qatar .,School of Sport and Exercise, University of Gloucestershire, Gloucester, UK
| | - Sean Mc Auliffe
- Department of Physical Therapy and Rehabilitation Sciences, Qatar University, Doha, Qatar
| | - Mathew G Wilson
- Research Department, Aspetar Orthopeadic and Sports Medicine Hospital, Doha, Qatar.,Institute of Sport Exercise and Health (ISEH), University College London, London, UK
| | - Gregory D Myer
- Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA.,Department of Pediatrics and Orthopaedic Surgery, College of Medicine, College of Medicine, University of Cincinnati, Cincinnati, Ohio, USA.,The Micheli Center for Sports Injury Prevention, Boston, MA, USA
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40
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Passing return to sports tests after ACL reconstruction is associated with greater likelihood for return to sport but fail to identify second injury risk. Knee 2020; 27:949-957. [PMID: 32247810 DOI: 10.1016/j.knee.2020.03.007] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 02/26/2020] [Accepted: 03/21/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND A limited number of patients return to sport (RTS) after an anterior cruciate ligament reconstruction (ACLR) and patients who RTS have a relatively high risk for second ACL injury. The purpose of the current study was to compare the results of a test battery between patients who returned to the pre-injury level of sport (RTS group) and patients who did not (NO-RTS group). It was hypothesized that the RTS group showed better test results. METHODS Sixty-four patients (age 27.8 ± 8.8 years) were included. The results of a multicomponent test battery (jump-landing task assessed with the Landing Error Scoring System (LESS), three hop tests, isokinetic strength test for quadriceps and hamstring) were compared between groups with a 2 × 2 ANOVA. RESULTS The RTS group showed a significantly lower LESS score (p = 0.010), significantly higher absolute scores on hop tests with both legs (injured leg: single leg hop test p = 0.013, triple leg hop test p = 0.024, side hop test p = 0.021; non-injured leg: single leg hop test p = 0.011, triple leg hop test p = 0.023, side hop test p = 0.032) and significantly greater hamstring strength in the injured leg (p = 0.009 at 60°/s, p = 0.012 at 180°/s and p = 0.013 at 300°/s). No differences in test results were identified between patients who sustained a second ACL injury and patients who did not. CONCLUSION Patients after ACLR with better jump-landing patterns, hop performance and greater hamstring strength have greater likelihood for RTS. However, our findings show that RTS criteria fail to identify patients who are at risk for a second ACL injury.
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Barber-Westin S, Noyes FR. One in 5 Athletes Sustain Reinjury Upon Return to High-Risk Sports After ACL Reconstruction: A Systematic Review in 1239 Athletes Younger Than 20 Years. Sports Health 2020; 12:587-597. [PMID: 32374646 DOI: 10.1177/1941738120912846] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
CONTEXT Anterior cruciate ligament (ACL) reconstruction (ACLR) is frequently performed in patients younger than 20 years whose goal is to return to sport (RTS). Varying reinjury rates have been reported, and the factors responsible are unclear. Studies differ with regard to age, graft type, surgical techniques, postoperative rehabilitation, RTS guidelines, and methods used to determine ACL failures. OBJECTIVE To determine RTS rates; the effect of participation in high-risk sports, sex, and graft type on ACL reinjury rates; and whether objective test criteria before RTS correlate with lower reinjury rates. DATA SOURCES A systematic review of the literature from inception to May 31, 2019, was conducted using the PubMed and Cochrane databases. STUDY SELECTION Studies on transphyseal ACLR in athletes <20 years old with a minimum mean follow-up of 2 years that reported reinjury rates, the number that RTS, and detailed the type of sport were included. STUDY DESIGN Systematic review. LEVEL OF EVIDENCE Level 4. RESULTS A total of 1239 patients in 8 studies were included; 87% returned to sport and 80% resumed high-risk activities. Of the patients, 18% reinjured the ACL graft and/or the contralateral ACL. Nine percent of patellar tendon autografts and 15% of hamstring autografts failed (odds ratio [OR], 0.52; P = 0.002). Of reinjuries, 90% occurred during high-risk sports. Male patients had a significantly higher rate of ACL graft failure than female patients (OR, 1.64; P = 0.01). There was no sex-based effect on contralateral ACL injuries. Only 1 study cited objective criteria for RTS. CONCLUSION A high percentage of athletes returned to sport, but 1 in 5 suffered reinjuries to either knee. Male patients were more likely to reinjure the ACL graft. Objective criteria for RTS were rarely mentioned or not detailed. The need for testing of knee stability, strength, neuromuscular control, agility, and psychological measures before RTS remains paramount in young athletes.
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Affiliation(s)
- Sue Barber-Westin
- Cincinnati Sportsmedicine and Orthopaedic Center-Mercy Health, and the Noyes Knee Institute, Cincinnati, Ohio
| | - Frank R Noyes
- Cincinnati Sportsmedicine and Orthopaedic Center-Mercy Health, and the Noyes Knee Institute, Cincinnati, Ohio
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Lorenz D, Domzalski S. CRITERIA-BASED RETURN TO SPRINTING PROGRESSION FOLLOWING LOWER EXTREMITY INJURY. Int J Sports Phys Ther 2020; 15:326-332. [PMID: 32269864 PMCID: PMC7134353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023] Open
Abstract
UNLABELLED In the terminal phases of athletic rehabilitation, transitioning back to sport is a critical aspect to prepare an athlete for return to full participation. Numerous interval sport programs have been published in the literature and return to sports guidelines and criteria-based progressions for returning to sport have been published, but no such protocol exists for returning to the task of sprinting. Any field or court athlete must be able to sprint as part of his/her sport demands. Because of the absence of a specific progression, sports rehabilitation professionals lack knowledge about objective criteria to progress to sprinting as well as a progressive program to do so. Given that sports rehabilitation professionals have limited visits to complete rehabilitation or their athletes have limited financial resources to do so, it is imperative that a structured, criteria-based progression be available. The purpose of this clinical suggestion is to provide a criteria-based return to sprinting progression. LEVEL OF EVIDENCE 5.
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Affiliation(s)
- Daniel Lorenz
- Lawrence Memorial Hospital/OrthoKansas, Lawrence, KS, USA
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Markström JL, Grip H, Schelin L, Häger CK. Individuals With an Anterior Cruciate Ligament-Reconstructed Knee Display Atypical Whole Body Movement Strategies but Normal Knee Robustness During Side-Hop Landings: A Finite Helical Axis Analysis. Am J Sports Med 2020; 48:1117-1126. [PMID: 32168459 PMCID: PMC7163247 DOI: 10.1177/0363546520910428] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Atypical knee joint biomechanics after anterior cruciate ligament reconstruction (ACLR) are common. It is, however, unclear whether knee robustness (ability to tolerate perturbation and maintain joint configuration) and whole body movement strategies are compromised after ACLR. PURPOSE To investigate landing control after ACLR with regard to dynamic knee robustness and whole body movement strategies during sports-mimicking side hops, and to evaluate functional performance of hop tests and knee strength. STUDY DESIGN Controlled laboratory study. METHODS An 8-camera motion capture system and 2 synchronized force plates were used to calculate joint angles and moments during standardized rebound side-hop landings performed by 32 individuals with an ACL-reconstructed knee (ACLR group; median, 16.0 months after reconstruction with hamstring tendon graft [interquartile range, 35.2 months]) and 32 matched asymptomatic controls (CTRL). Dynamic knee robustness was quantified using a finite helical axis approach, providing discrete values quantifying divergence of knee joint movements from flexion-extension (higher relative frontal and/or transverse plane motion equaled lower robustness) during momentary helical rotation intervals of 10°. Multivariate analyses of movement strategies included trunk, hip, and knee angles at initial contact and during landing and hip and knee peak moments during landing, comparing ACLR and CTRL, as well as legs within groups. RESULTS Knee robustness was lower for the first 10° motion interval after initial contact and then successively stabilized for both groups and legs. When landing with the injured leg, the ACLR group, as compared with the contralateral leg and/or CTRL, demonstrated significantly greater flexion of the trunk, hip, and knee; greater hip flexion moment; less knee flexion moment; and smaller angle but greater moment of knee internal rotation. The ACLR group also had lower but acceptable hop and strength performances (ratios to noninjured leg >90%) except for knee flexion strength (12% deficit). CONCLUSION Knee robustness was not affected by ACLR during side-hop landings, but alterations in movement strategies were seen for the trunk, hip, and knee, as well as long-term deficits in knee flexion strength. CLINICAL RELEVANCE Knee robustness is lowest immediately after landing for both the ACLR group and the CTRL and should be targeted in training to reduce knee injury risk. Assessment of movement strategies during side-hop landings after ACLR should consider a whole body approach.
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Affiliation(s)
- Jonas L. Markström
- Physiotherapy Unit, Department of
Community Medicine and Rehabilitation, Umeå University, Umeå, Sweden,Jonas L. Markström, PhD,
Physiotherapy Unit, Department of Community Medicine and Rehabilitation, Umeå
University, Umeå, SE-901 87, Sweden (
)
| | - Helena Grip
- Department of Radiation Sciences,
Biomedical Engineering and Physics, Umeå University, Umeå, Sweden
| | - Lina Schelin
- Department of Statistics, Umeå School of
Business, Economics and Statistics, Umeå University, Umeå, Sweden
| | - Charlotte K. Häger
- Physiotherapy Unit, Department of
Community Medicine and Rehabilitation, Umeå University, Umeå, Sweden
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Losciale JM, Bullock G, Cromwell C, Ledbetter L, Pietrosimone L, Sell TC. Hop Testing Lacks Strong Association With Key Outcome Variables After Primary Anterior Cruciate Ligament Reconstruction: A Systematic Review. Am J Sports Med 2020; 48:511-522. [PMID: 31063403 DOI: 10.1177/0363546519838794] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Single-legged hop tests are commonly used assessments in return to sport (RTS) testing after anterior cruciate ligament reconstruction (ACLR). Although these tests are commonly used, their predictive validity has not yet been established. PURPOSE To determine the strength of association between hop testing and RTS, knee reinjury, subjective report of knee function, and posttraumatic knee osteoarthritis (PTOA) after primary ACLR. Secondarily, to determine whether hop testing is able to predict a favorable result on the same outcome variables. STUDY DESIGN Systematic review. METHODS A systematic, computer-assisted literature search was performed in PubMed/MEDLINE, CINAHL, EMBASE, SPORTDiscus, Cochrane Library, and ClinicalTrials.gov. The PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines were followed when conducting and reporting this review. Primary outcome variables for this review were self-report of knee function, return to preinjury level of activity, presence of reinjury, and presence of PTOA. The Oxford Centre for Evidence-Based Medicine Levels of Evidence tool was used to assess the level of evidence for each included study. Quality assessment of each included study was performed through use of a modified Downs and Black scale. Available metrics were tabulated based on outcome variables. RESULTS Overall, 21 studies (4476 patients) met inclusion for this review. The majority of evidence (95.2%) was of moderate to high methodologic quality. The most commonly associated outcome measure was the International Knee Documentation Committee (IKDC) score, with Pearson correlation coefficients ranging from 0.20 to 0.60. The strength of association between the Knee injury and Osteoarthritis Outcome Score (KOOS) and hop testing ranged from -0.10 to 0.62 in 4 studies. In all, 10 studies examined the relationship between hop testing and RTS, with variable association statistics reported. No meaningful association was found between hop testing and knee reinjury in 2 studies. Worse preoperative hop testing was associated with PTOA in 1 study. CONCLUSION Hop testing appears to possess fair association to subjective report of knee function measured by the KOOS and IKDC and a patient's ability to RTS after ACLR. Insufficient evidence is available to determine the relationship between hop testing and PTOA and knee reinjury. Predictive validity cannot be established based on available literature.
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Affiliation(s)
| | - Garrett Bullock
- University of Oxford, Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, Oxford, UK
| | - Christina Cromwell
- Duke University, Department of Orthopaedic Surgery, Durham, North Carolina, USA
| | - Leila Ledbetter
- Duke University Medical Center Library, Durham, North Carolina, USA
| | - Laura Pietrosimone
- Duke University, Department of Orthopaedic Surgery, Durham, North Carolina, USA
| | - Timothy C Sell
- Duke University, Department of Orthopaedic Surgery, Durham, North Carolina, USA.,Michael W. Krzyzewski Human Performance Laboratory, Duke Sports Medicine, James R. Urbaniak Sports Sciences Institute, Duke University Health System, Duke University, Durham, North Carolina, USA
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Niederer D, Wilke J, Krause F, Banzer W, Engeroff T. Integrating the Evidence and Clinical Expertise in the Shared Decision and Graduated Return to Sport Process: A Time Series Case Study after Anterior Cruciate Ligament Rupture and Reconstruction. J Orthop Case Rep 2020. [PMID: 32547976 PMCID: PMC7276579 DOI: 10.13107/jocr.2020.v10.i01.1628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
INTRODUCTION Rehabilitation following anterior cruciate ligament (ACL) rupture is often characterized by a large discrepancy between the available scientific evidence and its implementation into practice. PURPOSE We aimed to research, selectively rate, and transfer the available evidence to the returntosport (RTS) process after ACL rupture adopting an athlete time series case study design. CASE REPORT AND METHODS The participant is a male athlete aged 33 who was diagnosed with an isolated right-sided total ACL rupture. Knee arthroscopy using semitendinosus tendon plastic (×4) was performed. For rehabilitation, a graded and shared decision RTS algorithm was derived from the existing evidence and all relevant decision-makers expertise. Starting with basic functional abilities and range of motion, the functional ability at each stage had to be achieved before the next stage was aimed. The corresponding therapeutic focus (in addition to standard therapy) was adopted to reach this goal. Functions to be tested were as follows: Knee function confidence, dynamic balance, isometric and isokinetic strength/torque testing, as well as jumping ability (single-leg hop and triple crossover hop for distance). RESULTS RTS was reached (Level 3) 5 months and (Level 2) 10 months post-surgery. CONCLUSION Integrating the available evidence and the clinical expertise of all relevant stakeholders into a shared decision and graduated RTS process after ACL rupture and reconstruction was feasible and successful. Particularly, multiple functional measurements in a time series approach to determine the actual rehabilitation focus seem promising.
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Affiliation(s)
- Daniel Niederer
- Department of Sports Medicine, Goethe University Frankfurt, Frankfurt am Main, Germany,Address of Correspondence: Dr. Daniel Niederer, Department of Sports Medicine, Goethe University Frankfurt, Frankfurt am Main, Germany. E-mail:
| | - Jan Wilke
- Department of Sports Medicine, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Frieder Krause
- Department of Sports Medicine, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Winfried Banzer
- Preventive and Sports Medicine, Institute of Occupational, Social and Environmental Medicine, Hospital of the Goethe-University Frankfurt am Main, Germany
| | - Tobias Engeroff
- Department of Sports Medicine, Goethe University Frankfurt, Frankfurt am Main, Germany
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Pietrosimone B, Pfeiffer SJ, Harkey MS, Wallace K, Hunt C, Blackburn JT, Schmitz R, Lalush D, Nissman D, Spang JT. Quadriceps weakness associates with greater T1ρ relaxation time in the medial femoral articular cartilage 6 months following anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2019; 27:2632-2642. [PMID: 30560446 DOI: 10.1007/s00167-018-5290-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 11/09/2018] [Indexed: 01/06/2023]
Abstract
PURPOSE Quadriceps weakness following anterior cruciate ligament reconstruction (ACLR) is linked to decreased patient-reported function, altered lower extremity biomechanics and tibiofemoral joint space narrowing. It remains unknown if quadriceps weakness is associated with early deleterious changes to femoral cartilage composition that are suggestive of posttraumatic osteoarthritis development. The purpose of the cross-sectional study was to determine if quadriceps strength was associated with T1ρ relaxation times, a marker of proteoglycan density, of the articular cartilage in the medial and lateral femoral condyles 6 months following ACLR. It is hypothesized that individuals with weaker quadriceps would demonstrate lesser proteoglycan density. METHODS Twenty-seven individuals (15 females, 12 males) with a patellar tendon autograft ACLR underwent isometric quadriceps strength assessments in 90°of knee flexion during a 6-month follow-up exam. Magnetic resonance images (MRI) were collected bilaterally and voxel by voxel T1ρ relaxation times were calculated using a five-image sequence and a monoexponential equation. Following image registration, the articular cartilage for the weight-bearing surfaces of the medial and lateral femoral condyles (MFC and LFC) were manually segmented and further sub-sectioned into posterior, central and anterior regions of interest (ROI) based on the corresponding meniscal anatomy viewed in the sagittal plane. Univariate linear regression models were used to determine the association between quadriceps strength and T1ρ relaxation times in the entire weight-bearing MFC and LFC, as well as the ROI in each respective limb. RESULTS Lesser quadriceps strength was significantly associated with greater T1ρ relaxation times in the entire weight-bearing MFC (R2 = 0.14, P = 0.05) and the anterior-MFC ROI (R2 = 0.22, P = 0.02) of the ACLR limb. A post hoc analysis found lesser strength and greater T1ρ relaxation times were significantly associated in a subsection of participants (n = 18) without a concomitant medial tibiofemoral compartment meniscal or chondral injury in the entire weight-bearing MFC, as well as anterior-MFC and central-MFC ROI of the ACLR and uninjured limb. CONCLUSIONS The association between weaker quadriceps and greater T1ρ relaxation times in the MFC suggests deficits in lower extremity muscle strength may be related to cartilage composition as early as 6 months following ACLR. Maximizing quadriceps strength in the first 6 months following ACLR may be critical for promoting cartilage health early following ACLR. LEVEL OF EVIDENCE Prognostic level 1.
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Affiliation(s)
- Brian Pietrosimone
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, CB# 8700, 209 Fetzer Hall South Road, Chapel Hill, NC, 27599, USA. .,Human Movement Science Curriculum, University of North Carolina at Chapel Hill, Fetzer Hall 209 South Road, Chapel Hill, NC, 27599, USA. .,Department of Orthopaedics, University of North Carolina at Chapel Hill, 102 Mason Farm Rd # 2, Chapel Hill, NC, 27599, USA.
| | - Steven J Pfeiffer
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, CB# 8700, 209 Fetzer Hall South Road, Chapel Hill, NC, 27599, USA.,Human Movement Science Curriculum, University of North Carolina at Chapel Hill, Fetzer Hall 209 South Road, Chapel Hill, NC, 27599, USA
| | - Matthew S Harkey
- Division of Rheumatology, Tufts Medical Center, 800 Washington Street, South Building, 3rd Floor, Boston, MA, 02111, USA
| | - Kyle Wallace
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, CB# 8700, 209 Fetzer Hall South Road, Chapel Hill, NC, 27599, USA
| | - Christian Hunt
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, CB# 8700, 209 Fetzer Hall South Road, Chapel Hill, NC, 27599, USA
| | - J Troy Blackburn
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, CB# 8700, 209 Fetzer Hall South Road, Chapel Hill, NC, 27599, USA.,Human Movement Science Curriculum, University of North Carolina at Chapel Hill, Fetzer Hall 209 South Road, Chapel Hill, NC, 27599, USA.,Department of Orthopaedics, University of North Carolina at Chapel Hill, 102 Mason Farm Rd # 2, Chapel Hill, NC, 27599, USA
| | - Randy Schmitz
- Department of Kinesiology, University of North Carolina at Greensboro, Coleman Building, 1408 Walker Avenue, Greensboro, NC, 27402, USA
| | - David Lalush
- Joint Department of Biomedical Engineering, North Carolina State University and University of North Carolina at Chapel Hill, 333 S Columbia St, Raleigh, NC, 27514, USA
| | - Daniel Nissman
- Department of Radiology, University of North Carolina at Chapel Hill, 101 Manning Dr # 2, Chapel Hill, NC, 27599, USA
| | - Jeffrey T Spang
- Department of Orthopaedics, University of North Carolina at Chapel Hill, 102 Mason Farm Rd # 2, Chapel Hill, NC, 27599, USA
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Hughes JD, Burnham JM, Hirsh A, Musahl V, Fu FH, Irrgang JJ, Lynch AD. Comparison of Short-term Biodex Results After Anatomic Anterior Cruciate Ligament Reconstruction Among 3 Autografts. Orthop J Sports Med 2019; 7:2325967119847630. [PMID: 31211150 PMCID: PMC6545659 DOI: 10.1177/2325967119847630] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Background: An individualized approach to anterior cruciate ligament reconstruction (ACLR) typically includes criteria-based postoperative rehabilitation. However, recent literature has suggested residual quadriceps weakness up to 12 months after ACLR, especially with a quadriceps tendon (QT) autograft. Hypothesis: The QT would have poorer quadriceps strength symmetry at 5 to 8 months compared with the hamstring tendon (HS) and patellar tendon (BPTB), but there would be no significant difference at 9 to 15 months among all 3 groups. Study Design: Cohort study; Level of evidence, 3. Methods: Patients who underwent anatomic primary ACLR with an autograft were reviewed retrospectively. Isometric quadriceps and hamstring strength measurements were obtained clinically at 5 to 8 months and 9 to 15 months postoperatively. Return-to-running and return-to-play criteria included greater than 80% and 90% quadriceps strength symmetry, respectively. Results: A total of 73 patients with 5- to 8-month follow-up were identified, and 52 patients had 9- to 15-month data. The QT group had a significantly lower quadriceps index at 5 to 8 months (69.5 ± 17.4) compared with the BPTB (82.8 ± 14.6; P = .014) and the HS (86.0 ± 18.6; P = .001) groups. More patients with an BPTB autograft met criteria for return to running and return to play (60% and 47%, respectively) compared with the QT group (26% and 13%, respectively) at 5 to 8 months. Given the sample sizes available, we observed no significant difference in the quadriceps index and return-to-play and return-to-running criteria at 9 to 15 months among those undergoing ACLR with a QT, BPTB, or HS graft. Conclusion: Patients undergoing ACLR with a QT graft demonstrated clinically meaningful quadriceps asymmetry at 5 to 8 months and 9 to 15 months postoperatively. Additionally, fewer patients in the QT group met criteria for return to play and running at 5 to 8 months than the BPTB and HS groups. These data suggest that a longer time to return to play and specific rehabilitation protocols that emphasize quadriceps strengthening may be necessary because of residual quadriceps weakness after ACLR with a QT graft.
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Affiliation(s)
- Jonathan D Hughes
- Department of Orthopedics, Baylor Scott & White Medical Center-Temple, Temple, Texas, USA
| | - Jeremy M Burnham
- Department of Orthopaedic Surgery, Center for Sports Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Angela Hirsh
- School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Volker Musahl
- Department of Orthopaedic Surgery, Center for Sports Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Freddie H Fu
- Department of Orthopaedic Surgery, Center for Sports Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - James J Irrgang
- Department of Physical Therapy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Andrew D Lynch
- Department of Physical Therapy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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48
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Markström JL, Grip H, Schelin L, Häger CK. Dynamic knee control and movement strategies in athletes and non-athletes in side hops: Implications for knee injury. Scand J Med Sci Sports 2019; 29:1181-1189. [PMID: 30972848 PMCID: PMC6850355 DOI: 10.1111/sms.13432] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 03/25/2019] [Accepted: 04/04/2019] [Indexed: 01/14/2023]
Abstract
Athletes exposed to rapid maneuvers need a high level of dynamic knee stability and robustness, while also controlling whole body movement, to decrease the risk of non-contact knee injury. The effects of high-level athletic training on such measures of movement control have not, however, been thoroughly evaluated. This study investigated whether elite athletes (who regularly perform knee-specific neuromuscular training) show greater dynamic knee robustness and/or different movement strategies than non-athletic controls, in relation to overall knee function. Thirty-nine women (19 athletes, 20 controls) performed standardized rebound side hops (SRSH) while a motion capture system synchronized with two force plates registered three-dimensional trunk, hip, and knee joint angles and moments. Dynamic knee robustness was evaluated using finite helical axis (FHA) inclination angles extracted from knee rotation intervals of 10°, analyzed with independent t tests. Angle and moment curves were analyzed with inferential methods for functional data. Athletes had superior knee function (less laxity, greater hop performances, and strength) but presented similar FHA inclination angles to controls. Movement strategies during the landing phase differed; athletes presented larger (a) hip flexion angles (during 9%-29% of the phase), (b) hip adduction moments (59%-99%), (c) hip internal rotation moments (83%-89%), and (d) knee flexion moments (79%-93%). Thus, elite athletes may have a greater ability than non-athletes to keep the knee robust while performing SRSH more efficiently through increased engagement of the hip. However, dynamic knee robustness associated with lower FHA inclination angles still show room for improvement, thus possibly decreasing knee injury risk.
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Affiliation(s)
- Jonas L Markström
- Department of Community Medicine and Rehabilitation, Physiotherapy, Umeå University, Umeå, Sweden
| | - Helena Grip
- Department of Radiation Sciences, Biomedical Engineering and Physics, Umeå University, Umeå, Sweden
| | - Lina Schelin
- Department of Statistics, Umeå School of Business, Economics and Statistics, Umeå University, Umeå, Sweden
| | - Charlotte K Häger
- Department of Community Medicine and Rehabilitation, Physiotherapy, Umeå University, Umeå, Sweden
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Buckthorpe M. Optimising the Late-Stage Rehabilitation and Return-to-Sport Training and Testing Process After ACL Reconstruction. Sports Med 2019; 49:1043-1058. [DOI: 10.1007/s40279-019-01102-z] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Ithurburn MP, Paterno MV, Thomas S, Pennell ML, Evans KD, Magnussen RA, Schmitt LC. Clinical measures associated with knee function over two years in young athletes after ACL reconstruction. Knee 2019; 26:355-363. [PMID: 30772182 PMCID: PMC6486436 DOI: 10.1016/j.knee.2019.01.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 12/21/2018] [Accepted: 01/20/2019] [Indexed: 02/02/2023]
Abstract
PURPOSE The purpose of this study was to investigate how patient-reported knee function changed over a two-year period in young athletes after anterior cruciate ligament reconstruction (ACLR) and return-to-sport (RTS), and to determine the impact of clinical measures, after controlling for demographic and surgical covariates. METHODS At the time of RTS after primary, unilateral ACLR, the following data were collected in 67 young athletes: Quadriceps (QF), hamstring (HS), and hip abduction (HA) strength; knee range-of-motion, effusion, and anterior laxity; and patient-reported function using the Knee injury and Osteoarthritis Outcome Score (KOOS). At two years post-RTS, patient-reported function was reevaluated using the KOOS. Absolute KOOS scores and proportions of participants meeting functional recovery cutoffs were compared between time-points. Multivariable linear regression was used to determine clinical measures at RTS associated with two-year post-RTS KOOS scores. RESULTS KOOS scores for all subscales were higher at two years post-RTS (all p < 0.003), and the proportions of participants demonstrating functional recovery were higher at two years post-RTS for the KOOS-Symptoms, KOOS-Sport, KOOS-QOL, and all KOOS subscales combined (all p < 0.03). After controlling for graft type, clinical measures at RTS associated with higher two-year post-RTS KOOS scores were: KOOS-Pain (lower HA peak torque); KOOS-Symptoms (higher QF strength symmetry and higher QF peak torque); and KOOS-ADL (lower HA peak torque). CONCLUSIONS In this cohort, after controlling for graft type, higher QF strength symmetry, higher involved-limb QF peak torque, and lower involved-limb HA peak torque from the time of RTS were associated with higher function at two years post-RTS.
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Affiliation(s)
- Matthew P. Ithurburn
- Department of Physical Therapy and Center for Exercise Medicine, University of Alabama at Birmingham, Birmingham, AL, USA,School of Health and Rehabilitation Sciences, The Ohio State University, Columbus, OH, USA,Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Mark V. Paterno
- Division of Sports Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA,Division of Occupational Therapy and Physical Therapy, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Staci Thomas
- Division of Sports Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Michael L. Pennell
- Division of Biostatistics, College of Public Health, The Ohio State University, Columbus, OH, USA
| | - Kevin D. Evans
- School of Health and Rehabilitation Sciences, The Ohio State University, Columbus, OH, USA
| | - Robert A. Magnussen
- Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA,Department of Orthopaedics, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Laura C. Schmitt
- School of Health and Rehabilitation Sciences, The Ohio State University, Columbus, OH, USA,Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA,Division of Physical Therapy, The Ohio State University, Columbus, OH, USA
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