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Dewig DR, Lepley AS, Nilius A, Padua DA, Pietrosimone BG, Wikstrom EA, Blackburn JT. An Acute Bout of Whole-Body Vibration Does Not Improve Jumping Performance in Those With Anterior Cruciate Ligament Reconstruction. J Athl Train 2024; 59:948-954. [PMID: 39320953 DOI: 10.4085/1062-6050-0446.23] [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: 09/27/2024]
Abstract
CONTEXT Individuals with anterior cruciate ligament reconstruction (ACLR) often fail to return to their previous level of sport performance. Although multifaceted, this inability to regain preinjury performance may be influenced by impaired plyometric ability attributable to chronic quadriceps dysfunction. Whole-body vibration (WBV) acutely improves quadriceps function and biomechanics after ACLR, but its effects on jumping performance outcomes such as jump height, the reactive strength index (RSI), and knee work and power are unknown. OBJECTIVE To evaluate the acute effects of WBV on measures of jumping performance in those with ACLR. DESIGN Crossover study design. SETTING Research laboratory. PATIENTS OR OTHER PARTICIPANTS Thirty-six individuals with primary, unilateral ACLR. INTERVENTION(S) Participants stood on a WBV platform in a mini-squat position while vibration or no vibration (control) was applied during six 60-second bouts with 2 minutes of rest between bouts. MAIN OUTCOME MEASURE(S) Double-leg jumping tasks were completed preintervention and postintervention (WBV or control) and consisted of jumping off a 30-cm box to 2 force plates half the participant's height away. The jumping task required participants to maximally jump vertically upon striking the force plates. RESULTS Whole-body vibration did not produce significant improvements in any of the study outcomes (ie, jump height, RSI, and knee work and power) in either limb (P = .053-.839). CONCLUSIONS These results suggest that a single bout of WBV is insufficient for improving jumping performance in individuals with ACLR. As such, using WBV to acutely improve jumping performance post-ACLR is likely not warranted. Future research should evaluate the effects of repeated exposure to WBV in combination with other plyometric interventions on jumping performance.
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Affiliation(s)
- Derek R Dewig
- Exercise and Sport Science
- Human Movement Science Curriculum, University of North Carolina at Chapel Hill
| | - Adam S Lepley
- School of Kinesiology, University of Michigan, Ann Arbor. Dr Dewig is now at the College of Education, Health & Human Performance, Fairmont State University, WV
| | - Alex Nilius
- Exercise and Sport Science
- Human Movement Science Curriculum, University of North Carolina at Chapel Hill
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Gokeler A, Zandbergen MA, Hoogeslag RAG, Houten Van AV, Nijmeijer EM, Heuvelmans P. Neurocognitive demands reduce jump distance and coordination variability of the injured leg in athletes after anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2024. [PMID: 39189158 DOI: 10.1002/ksa.12439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 08/05/2024] [Accepted: 08/05/2024] [Indexed: 08/28/2024]
Abstract
PURPOSE The study aimed to evaluate the impact of neurocognitive reliance on jump distance and lower extremity kinematics in individuals who had undergone anterior cruciate ligament reconstruction (ACLR). This was achieved by comparing hop performance under standard and neurocognitive conditions. METHODS Thirty-two patients after ACLR and 32 healthy controls (CTRL) participated. Both groups performed a single-leg hop for distance (SLHD) and two neurocognitive hop tests, each designed to evaluate distinct aspects of neurocognition. The neurocognitive tests included the reaction SLHD (R-SLHD), measuring reaction to a central stimulus and working memory SLHD (WM-SLHD) assessing response to a memorized stimulus amidst distractor stimuli. Distances were assessed for the three-hop tests. In addition, joint kinematics were collected to calculate lower extremity coordination of the lower extremity. SLHD performance was defined as the mean hop distance per condition per leg for each participant and was analyzed using a mixed ANOVA with condition and leg as the within-subjects factors and the group (ACLR or CTRL) as the between-subjects factor. Differences in joint coordination variability were analyzed using two-sample t-test statistical parametric mapping (SPM) with linear regression. RESULTS The WM-SLHD resulted in a significantly decreased jump distance compared with the standard hop test both for ACLR and CTRL. Furthermore, the leg difference within the ACLR group increased under higher cognitive load as tested with the WM-SLHD, indicating leg-specific adaptations in lower extremity coordination. CONCLUSIONS Neurocognitive single-leg hop tests resulted in reduced jump distance in CTRL and ACLR. The neurocognitive hop test revealed changes in coordination variability for the CTRL and the uninjured leg of ACLR individuals, whereas the injured leg's coordination variability remained unaltered, suggesting persistent cognitive control of movements post-ACLR. LEVEL OF EVIDENCE Level III.
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Affiliation(s)
- Alli Gokeler
- Department of Exercise & Health, Exercise Science and Neuroscience, Paderborn, Germany
- Faculty of Health, Amsterdam University of Applied Sciences, Amsterdam, the Netherlands
- Department of Public and Occupational Health, Amsterdam Movement Sciences, Amsterdam Collaboration on Health and Safety in Sports, Amsterdam, the Netherlands
| | - Marit A Zandbergen
- Center for Orthopaedic Surgery and Sports Medicine OCON, Hengelo, the Netherlands
| | - Roy A G Hoogeslag
- Center for Orthopaedic Surgery and Sports Medicine OCON, Hengelo, the Netherlands
| | | | - Eline M Nijmeijer
- Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Pieter Heuvelmans
- Department of Exercise & Health, Exercise Science and Neuroscience, Paderborn, Germany
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Khoygani MR, Esmaeili H. Hop distance to body height ratio outperforms limb symmetry index in predicting second anterior cruciate ligament injury. Knee Surg Sports Traumatol Arthrosc 2024. [PMID: 39132709 DOI: 10.1002/ksa.12405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 07/23/2024] [Accepted: 07/25/2024] [Indexed: 08/13/2024]
Abstract
PURPOSE The ability of current return-to-sport (RTS) tests to predict second anterior cruciate ligament (ACL) injuries (ACLI) in athletes with a history of ACL reconstruction (ACLR) is unclear. This study aimed to prospectively assess the risk of a second ACLI by identifying the most significant deviation in hop test results in professional athletes after ACLR compared to healthy peers. METHODS A total of 30 professional athletes with a history of ACLR and 30 healthy professional athletes participated in this study. Participants performed 10 functional hop tests, and the subsequent limb symmetry index (LSI) was compared between the groups. After a 3-year follow-up, the re-injury rate was assessed among the ACLR group. Fourteen ACLR athletes who sustained a second ACLI were included and matched with 14 controls from the healthy group. The LSI and the hop distance to body height percentage (D/H) were compared between the groups. RESULTS Statistical analyses confirmed a significant decrease in LSI in the ACLR group compared to the healthy group in the triple hop for distance (p = .023). In re-injured ACLR athletes, seven different hop tests showed a significant decrease in the D/H index compared to the healthy controls. Meanwhile, for LSI, only the triple cross-over hop for distance (p = .045) showed a significant increase in the healthy group. CONCLUSION Before clearing athletes for RTS, assessing functional hop test results using the hop distance to body height ratio, aligned with normative data from healthy controls, could further enhance the prediction of reduced graft rupture risk. LEVEL OF EVIDENCE Level I.
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Affiliation(s)
- Mohammad Rahimi Khoygani
- Departments of Experimental Medicine and Surgery, School of Medicine and Surgery, Tor Vergata University of Rome, Rome, Italy
| | - Hamed Esmaeili
- Department of Sport Injuries and Corrective Exercises, Faculty of Sport Sciences, University of Isfahan, Isfahan, Iran
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Butler L, Martinez A, Entessari M, Cardenas G, Wright M, Sugimoto D. Qualitative and quantitative return-to-sport test battery and second anterior cruciate ligament injury risk factors. BMJ Open Sport Exerc Med 2024; 10:e002000. [PMID: 39104374 PMCID: PMC11298729 DOI: 10.1136/bmjsem-2024-002000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/05/2024] [Indexed: 08/07/2024] Open
Abstract
ABSTRACT Objective To determine risk factors for second anterior cruciate ligament (ACL) injury following primary ACL reconstruction (ACLR) using return-to-sport (RTS) tests consisting of qualitative and quantitative measures in young athletes. Methods A case-control study design was used, and a retrospective review of adolescent athletes after primary ACLR was performed. All athletes completed an RTS test consisting of qualitative and quantitative assessments and psychological assessments with the Tampa Scale of Kinesiophobia. Athlete demographics, surgical characteristics and sports participation were also examined. A binary logistic regression was performed to verify an independent association between risk factors and second ACL injury using adjusted OR (aORs), 95% CI and p<0.05. Results In 72 eligible athletes, 12 (16.7%) suffered a second ACL injury. The mean Tegner activity level was 8.4+1.1, and the mean time from ACLR to RTS test completion was 10.4+2.9 months. One variable that showed the lowest p-value in the preliminary analysis was entered into the binary logistic regression model, which resulted in that qualitative assessment of knee valgus during the sidestep cut was associated with second ACL injury (aOR=4.64, 95% CI: 1.18 to 18.23, p=0.03). Conclusion Athletes who demonstrated excessive dynamic knee valgus on the involved limb during the sidestep cut were approximately 4.6 times more likely to suffer a second ACL injury.
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Affiliation(s)
- Lauren Butler
- Florida International University, Miami, Florida, USA
- Nicklaus Children's Hospital, Miami, Florida, USA
| | | | | | | | | | - Dai Sugimoto
- Faculty of Sport Sciences, Waseda University, Tokyo, Japan
- The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts, USA
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Kuwik P, Florkiewicz E, Benedict T, Mason J, Morris J, Crowell M. Assessing the Relationship of Psychological Sport Readiness, Single-leg Vertical Jump, and Non-Sagittal Single-Leg Hops to Quadriceps Strength After Anterior Cruciate Ligament Reconstruction. Int J Sports Phys Ther 2024; 19:942-955. [PMID: 39100937 PMCID: PMC11297365 DOI: 10.26603/001c.121597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Accepted: 06/21/2024] [Indexed: 08/06/2024] Open
Abstract
Background Limitations exist with current ACLR functional testing assessments that may be mitigated by including single-leg multi-directional testing. Hypothesis/Purpose To compare Anterior Cruciate Ligament-Return to Sport after Injury Scale (ACL-RSI) scores, limb symmetry index (LSI) of the single-leg vertical jump (SLVJ), single-leg medial rotation hop (SLMRH), single-leg lateral hop (SLLH), and isokinetic quadriceps strength between participants with an ACLR and healthy controls and assess predictors of quadriceps strength asymmetry. It was hypothesized that ACL-RSI scores and LSIs for all tests would differ between ACLR and healthy control groups and within the ACLR group a strong correlation would exist between all outcome measures and quadriceps strength. Study Design Cross-Sectional Study. Methods Twenty-six participants with an ACLR (median 13 months after surgery) and twenty-six matched healthy controls were recruited to participate in this study. Performance was assessed via SLVJ, SLMRH, SLLH, and isokinetic quadriceps strength. Between-group comparisons were made with independent t-tests and Mann-Whitney U test. Within the ACLR group, bivariate correlation and multivariate regression analysis were performed to assess the relationship between the outcome measures and quadriceps strength asymmetry. Results Significant between-limb differences were only identified in the ACLR group (p< 0.05): SLVJ LSI: 88.5%, SLMRH LSI: 93.6%, SLLH LSI: 92.7%, quadriceps strength LSI 80.9% - 83.9%, which were significantly lower (p <0.05) than the healthy control group. Within the ACLR group, a moderate-strong significant (p < 0.05) correlations existed with quadriceps strength and SLVJ (r=0.44-0.65), SLMRH (r =0.43-0.83), and SLLH (r=0.54-0.63); while ACL-RSI had a weak non-significant (p > 0.05) correlation with quadriceps strength (r= 0.12-0.30). Conclusion Single-leg multidirectional test LSIs were less in ACLR participants than matched healthy controls and all were directly related to quadriceps strength. Psychological readiness to return to sport was not related to quadriceps strength.
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Affiliation(s)
- Paul Kuwik
- Baylor University – Keller Army Community Hospital Division 1 Sports Physical Therapy Fellowship
| | - Erin Florkiewicz
- Baylor University – Keller Army Community Hospital Division 1 Sports Physical Therapy Fellowship
- Doctor of Philosophy in Health Sciences ProgramRocky Mountain University of Health Professions, Provo, Utah
| | - Timothy Benedict
- Baylor University – Keller Army Community Hospital Division 1 Sports Physical Therapy Fellowship
| | - John Mason
- Baylor University – Keller Army Community Hospital Division 1 Sports Physical Therapy Fellowship
| | - Jamie Morris
- Baylor University – Keller Army Community Hospital Division 1 Sports Physical Therapy Fellowship
| | - Michael Crowell
- Baylor University – Keller Army Community Hospital Division 1 Sports Physical Therapy Fellowship
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Cronström A, Ageberg E, Häger CK. Are demographics, physical function and psychological response associated with return to sport at one year following ACL-reconstruction? Phys Ther Sport 2024; 68:22-30. [PMID: 38905755 DOI: 10.1016/j.ptsp.2024.06.001] [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: 02/14/2024] [Revised: 06/09/2024] [Accepted: 06/10/2024] [Indexed: 06/23/2024]
Abstract
OBJECTIVE To determine the relative contribution of each of the following aspects: demographics, physical function, and patient-reported outcome measures (PROMs), including both physical and psychological constructs, to return to sport (RTS) (any level) one-year post anterior cruciate ligament reconstruction (ACLR). DESIGN Cross-sectional cohort study. METHODS We included data for 143 participants (73 women, mean (SD) age 24 (5.8) years) ∼ one-year post-ACLR. Data comprised demographics, physical function (hop performance, hip and knee peak torque) and PROMs (Knee Osteoarthritis Outcome Score subscales, perceived stress, and ACL Return to Sport after Injury scale (ACL-RSI)). We then used a Z-normalized multivariable logistic regression model to establish the relative contribution of factors associated with RTS. RESULTS Sixty-four (45%) of the participants had returned to sport at one year post-ACLR. In the regression model, greater hip abduction peak torque (OR = 1.70, 95% CI; 1.01 to 2.84) and greater psychological readiness to RTS (OR = 2.32, 95% CI; 1.30 to 4.12) were the only variables associated with RTS (R2 = 0.352). CONCLUSIONS The significant contribution of hip abduction strength and psychological readiness to RTS was still relatively small, suggesting other potential factors explaining RTS which may not be captured by common RTS criteria.
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Affiliation(s)
- Anna Cronström
- Department of Community Medicine and Rehabilitation, Umeå University, Umeå, Sweden; Department of Health Sciences, Lund University, Lund, Sweden.
| | - Eva Ageberg
- Department of Health Sciences, Lund University, Lund, Sweden
| | - Charlotte K Häger
- Department of Community Medicine and Rehabilitation, Umeå University, Umeå, Sweden
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Solie BS, Tollefson LV, Doney CP, O'Keefe JMJ, Thompson WC, LaPrade RF. Return to the Pre-Injury Level of Sport after Anterior Cruciate Ligament Reconstruction: A Practical Review with Medical Recommendations. Int J Sports Med 2024; 45:572-588. [PMID: 38527465 DOI: 10.1055/a-2270-3233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Returning to sport after anterior cruciate ligament reconstruction (ACLR) can be a challenging and complex process for the athlete, with the rate of return to the pre-injury level of sport observed to be less than athlete expectations. Of the athletes that do return to sport (RTS), knee re-injury rates remain high, and multiple studies have observed impaired athletic performance upon RTS after ACLR as well as reduced playing time, productivity, and career lengths. To mitigate re-injury and improve RTS outcomes, multiple RTS after ACLR consensus statements/clinical practice guidelines have recommended objective RTS testing criteria to be met prior to medical clearance for unrestricted sports participation. While the achievement of RTS testing criteria can improve RTS rates after ACLR, current criteria do not appear valid for predicting safe RTS. Therefore, there is a need to review the various factors related to the successful return to the pre-injury level of sport after ACLR, clarify the utility of objective performance testing and RTS criteria, further discuss safe RTS decision-making as well as present strategies to reduce the risk of ACL injury/re-injury upon RTS. This article provides a practical review of the current RTS after ACLR literature, as well as makes medical recommendations for rehabilitation and RTS decision-making after ACLR.
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Affiliation(s)
- Braidy S Solie
- Physical Therapy, Training HAUS, Twin Cities Orthopedics, Eagan, MN, United States
- Research, Twin Cities Orthopedics, Edina, MN, United States
| | | | - Christopher P Doney
- Physical Therapy, Training HAUS, Twin Cities Orthopedics, Eagan, MN, United States
| | - Jeremy M J O'Keefe
- Physical Therapy, Training HAUS, Twin Cities Orthopedics, Eagan, MN, United States
| | - Will C Thompson
- Sports Science, Training HAUS, Twin Cities Orthopedics, Eagan, MN, United States
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Simonsson R, Piussi R, Högberg J, Sundberg A, Hamrin Senorski E. Rehabilitation and Return to Sport After Anterior Cruciate Ligament Reconstruction. Clin Sports Med 2024; 43:513-533. [PMID: 38811125 DOI: 10.1016/j.csm.2023.07.004] [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: 05/31/2024]
Abstract
Rehabilitation after an anterior cruciate ligament (ACL) reconstruction requires patience, devotion, and discipline. Rehabilitation should be individualized to each patient's specific need and sport. Return to sport is a continuum throughout the rehabilitation, and patients should not return to performance before passing a battery of muscle function tests and patient-reported outcomes, as well as change of direction-specific tests. Return to full participation should be an agreement between the patient, physical therapist, surgeon, and coach. For minimal risk for second ACL injury, patients should continue with maintenance and prevention training even after returning to sport.
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Affiliation(s)
- Rebecca Simonsson
- Sportrehab Sports Medicine Clinic, Stampgatan 14, Gothenburg SE-411 01, Sweden; Sahlgrenska Sports Medicine Center, Gothenburg, Sweden; Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, Gothenburg SE-405 30, Sweden
| | - Ramana Piussi
- Sportrehab Sports Medicine Clinic, Stampgatan 14, Gothenburg SE-411 01, Sweden; Sahlgrenska Sports Medicine Center, Gothenburg, Sweden; Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, Gothenburg SE-405 30, Sweden
| | - Johan Högberg
- Sportrehab Sports Medicine Clinic, Stampgatan 14, Gothenburg SE-411 01, Sweden; Sahlgrenska Sports Medicine Center, Gothenburg, Sweden; Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, Gothenburg SE-405 30, Sweden
| | - Axel Sundberg
- Sahlgrenska Sports Medicine Center, Gothenburg, Sweden; Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, Gothenburg SE-405 30, Sweden; Capio Ortho Center, Arvid Wallgrens Backe 4a, Gothenburg SE-413 13, Sweden
| | - Eric Hamrin Senorski
- Sportrehab Sports Medicine Clinic, Stampgatan 14, Gothenburg SE-411 01, Sweden; Sahlgrenska Sports Medicine Center, Gothenburg, Sweden; Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, Gothenburg SE-405 30, Sweden; Swedish Olympic Committee, Olympiastadion 114 33, Stockholm, Sweden.
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Stitelmann A, Allet L, Armand S, Tscholl P. Reliability and Validity of Temporal Parameters during the Side Hop Test in Patients after Anterior Cruciate Ligament Reconstruction. J Clin Med 2024; 13:3407. [PMID: 38929938 PMCID: PMC11204192 DOI: 10.3390/jcm13123407] [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: 05/08/2024] [Revised: 05/26/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
Background: The side hop test (SHT) measures the number of jumps performed over 30 s. Although this measure has demonstrated its value in clinical practice, the temporal parameters of the SHT allow for a deeper analysis of the execution strategy. The aim of this study is to assess the reliability and construct validity of contact time parameters during the SHT recorded by a video analysis system in anterior cruciate ligament reconstructed (ACLR) patients. Methods: We investigated the reliability (intra-rater, standard error of measurement (SEM), and minimum detectable change (MDC)), discriminant validity (operated (OP) versus non-operated (NOP) side), and convergent validity (relationship with strength and psychological readiness) of SHT contact time parameters, number of valid hops and limb symmetry index (LSI) in 38 ACLR patients. Contact time parameters are presented as mean, standard deviation (SD), and coefficient of variation (CV) of contact time. Results: Intra-tester reliability was good to excellent for all contact time parameters. For discriminant validity, the mean and SD contact times of the OP leg were significantly longer than those of the NOP leg, although the difference was smaller than the SEM and MDC values. The number of valid jumps and CV contact time parameters were not significantly different. Isokinetic quadriceps strength (60°/s) was strongly correlated with mean contact time for both legs. However, psychological readiness was not correlated with any of the contact time parameters. Conclusions: Temporal parameters of the SHT measured on video analysis are valid and reliable parameters to assess the performance strategy of the SHT. The results should be interpreted with caution regarding the SEM and MDC values. Further studies are needed to measure criterion validity, inter-rater reliability, and responsiveness.
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Affiliation(s)
- Anna Stitelmann
- Department of Orthopedic Surgery and Traumatology of the Musculoskeletal System, Geneva University Hospitals, 1205 Geneva, Switzerland
- Geneva School of Health Sciences, HES-SO University of Applied Sciences and Arts Western Switzerland, 1202 Geneva, Switzerland
| | - Lara Allet
- Wallis School of Health Sciences, HES-SO University of Applied Sciences and Arts Western Switzerland, 1950 Sion, Switzerland
| | - Stéphane Armand
- Kinesiology Laboratory, Geneva University Hospitals and University of Geneva, 1205 Geneva, Switzerland
| | - Philippe Tscholl
- Department of Orthopedic Surgery and Traumatology of the Musculoskeletal System, Geneva University Hospitals, 1205 Geneva, Switzerland
- ReFORM IOC Research Centre for Prevention of Injury and Protection of Athlete Health, 4000 Liège, Belgium
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Zhou Z, Liu J, Xiong T, Liu Y, Tuan RS, Li ZA. Engineering Innervated Musculoskeletal Tissues for Regenerative Orthopedics and Disease Modeling. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310614. [PMID: 38200684 DOI: 10.1002/smll.202310614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/28/2023] [Indexed: 01/12/2024]
Abstract
Musculoskeletal (MSK) disorders significantly burden patients and society, resulting in high healthcare costs and productivity loss. These disorders are the leading cause of physical disability, and their prevalence is expected to increase as sedentary lifestyles become common and the global population of the elderly increases. Proper innervation is critical to maintaining MSK function, and nerve damage or dysfunction underlies various MSK disorders, underscoring the potential of restoring nerve function in MSK disorder treatment. However, most MSK tissue engineering strategies have overlooked the significance of innervation. This review first expounds upon innervation in the MSK system and its importance in maintaining MSK homeostasis and functions. This will be followed by strategies for engineering MSK tissues that induce post-implantation in situ innervation or are pre-innervated. Subsequently, research progress in modeling MSK disorders using innervated MSK organoids and organs-on-chips (OoCs) is analyzed. Finally, the future development of engineering innervated MSK tissues to treat MSK disorders and recapitulate disease mechanisms is discussed. This review provides valuable insights into the underlying principles, engineering methods, and applications of innervated MSK tissues, paving the way for the development of targeted, efficacious therapies for various MSK conditions.
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Affiliation(s)
- Zhilong Zhou
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
| | - Jun Liu
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Shatin, NT, Hong Kong SAR, P. R. China
| | - Tiandi Xiong
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Shatin, NT, Hong Kong SAR, P. R. China
| | - Yuwei Liu
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, 518000, P. R. China
| | - Rocky S Tuan
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Shatin, NT, Hong Kong SAR, P. R. China
- School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
| | - Zhong Alan Li
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Shatin, NT, Hong Kong SAR, P. R. China
- School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Key Laboratory of Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, Guangdong, 518057, P. R. China
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O'Dowd DP, Stanley J, Rosenfeldt MP, Walsh S, Twaddle B, De Ruiter L, Crua E, Monk AP, Walsh S. Reduction in re-rupture rates following implementation of return-to-sport testing after anterior cruciate ligament reconstruction in 313 patients with a mean follow-up of 50 months. J ISAKOS 2024; 9:264-271. [PMID: 38218452 DOI: 10.1016/j.jisako.2024.01.005] [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: 08/28/2023] [Revised: 12/18/2023] [Accepted: 01/08/2024] [Indexed: 01/15/2024]
Abstract
OBJECTIVES The objective of this study was to assess the mid-term effectiveness of a return to sport (RTS) test in relation to preventing anterior cruciate ligament (ACL) re-rupture and contralateral ACL injury following ACL reconstruction (ACLR). Furthermore, this study aimed to assess the timing of passing a, RTS-test after surgery, and the effect age has on RTS outcomes. METHODS Patients undergoing ACLR between August 2014 and December 2018 took an RTS-test following rehabilitation. The RTS-test consisted of the Anterior Cruciate Ligament Return to Sport After Injury Scale, a single-leg hop, a single-leg triple hop, a single-leg triple cross-over hop, a box-drop vertical jump down, a single-leg 4-rep max-incline leg press, and a modified agility T test. RTS-passing criteria were ≥90% limb symmetry index in addition to defined takeoff and landing parameters. Mid-term review assessed sporting level, ACL re-injury, and contralateral ACL injury. RESULTS A total of 352 patients underwent RTS-testing, following ACLR with 313 (89%) contactable at follow-up, a mean of 50 months (standard deviation: 11.41, range: 28-76) after surgery. The re-rupture rate was 6.6% after passing the RTS-test and 10.3% following failure (p = 0.24), representing a 36% reduction. Contralateral ACL injury rate after surgery was 6% and was 19% lower in those passing the RTS test. The mean age of patients passing their first RTS-test was significantly higher than that of those who failed (p = 0.0027). Re-ruptures in those who passed the RTS test first time occurred late (>34 months), compared to those who failed first time, which all occurred early (<33 months) (p = 0.0015). The mean age of re-rupture was significantly less than those who did not sustain a re-rupture (p = 0.025). CONCLUSION Passing a RTS-test following ACLR reduces ACL re-rupture by 36.21% and contralateral ACL injury by 19.15% at mid-term follow-up. Younger patients are more likely to fail a RTS-test and are at higher risk of contralateral ACL rupture. LEVEL III EVIDENCE
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Affiliation(s)
- D P O'Dowd
- Unisports Sports Medicine, Auckland, 1072, New Zealand.
| | - J Stanley
- Unisports Sports Medicine, Auckland, 1072, New Zealand
| | | | - Sa Walsh
- Unisports Sports Medicine, Auckland, 1072, New Zealand
| | - B Twaddle
- Unisports Sports Medicine, Auckland, 1072, New Zealand
| | - L De Ruiter
- Unisports Sports Medicine, Auckland, 1072, New Zealand
| | - E Crua
- Unisports Sports Medicine, Auckland, 1072, New Zealand
| | - A P Monk
- Unisports Sports Medicine, Auckland, 1072, New Zealand
| | - S Walsh
- Unisports Sports Medicine, Auckland, 1072, New Zealand
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Dombrowski N, Cleary CJ, Bernard CD, Vopat BG, Herda AA. Psychological Readiness Is Weakly Related to Physical Function Tests at Return to Sport for Men and Not at All for Women Following Anterior Cruciate Ligament Reconstruction and Rehabilitation. Arthroscopy 2024; 40:1870-1878. [PMID: 38061685 DOI: 10.1016/j.arthro.2023.11.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 11/07/2023] [Accepted: 11/19/2023] [Indexed: 02/05/2024]
Abstract
PURPOSE To assess the relationships between physical function tests of the operative limb and psychological readiness to return to sport (RTS) after anterior cruciate ligament (ACL) reconstruction (return to sport after injury [ACL-RSI]) by sex. The secondary purpose was to quantify sex-specific differences in physical function test outcomes. METHODS Patient records were retrospectively identified as cases who performed RTS physical function testing (strength, horizontal hops, vertical jumps, single-leg leg press, and drop landing knee excursion, etc.), and completed a 6-question ACL-RSI survey at the time point they were cleared to RTS. Independent t-tests compared all variables between sex at P ≤ .05. Correlations and regression models were produced per sex to identify factors related to operative limb physical function tests and ACL-RSI scores. RESULTS With a total of 127 patients (63 men; 64 women), there was no difference in ACL-RSI scores and leg press repetitions between sex (P = .32 and P = .12, respectively). There were sex differences for all other physical performance outcomes (P < .001 for all). To estimate readiness using physical function test scores, the men's regression model identified knee excursion (β = 0.345; P = .033) as the only contributor to ACL-RSI (R2 = 0.089), whereas there was no relationship between physical performance outcomes and ACL-RSI in women (R2 = 0.00, P = 1.00). CONCLUSIONS Men and women reported similar ACL-RSI scales, indicating high readiness to return to sport. Likely due to sex-related physiological differences, men performed better at most physical function tests. Further, male ACL-RSI could be predicted using only one physical function outcome and 91% variability of the ACL-RSI coming from other contributors not evaluated, as indicated by R2. No physical function variables predict ACL-RSI in women. The evaluated variables are considered the primary indicators relevant for patients to be permitted to RTS yet cannot adequately predict psychological readiness in these patients. LEVEL OF EVIDENCE Level III, retrospective comparative study.
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Affiliation(s)
- Nicholas Dombrowski
- School of Medicine, University of Kansas Medical Center, Kansas City, Kansas, U.S.A
| | - Christopher J Cleary
- Department of Health, Sport, and Exercise Sciences, University of Kansas Edwards Campus, Overland Park, Kansas, U.S.A
| | - Christopher D Bernard
- Department of Orthopedic Surgery and Sports Medicine, University of Kansas Medical Center, Kansas City, Kansas, U.S.A
| | - Bryan G Vopat
- Department of Orthopedic Surgery and Sports Medicine, University of Kansas Medical Center, Kansas City, Kansas, U.S.A
| | - Ashley A Herda
- Department of Health, Sport, and Exercise Sciences, University of Kansas Edwards Campus, Overland Park, Kansas, U.S.A..
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13
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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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14
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Vianna KB, Ribas LO, Rodrigues LG, Gasparin GB, Mendonça LDM, Baroni BM. Injury prevention in Brazilian women's football: Perceptions of physiotherapists and practices within elite clubs. Phys Ther Sport 2024; 67:68-76. [PMID: 38599151 DOI: 10.1016/j.ptsp.2024.04.001] [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: 12/26/2023] [Revised: 03/30/2024] [Accepted: 04/01/2024] [Indexed: 04/12/2024]
Abstract
OBJECTIVES To describe the perceptions of physiotherapists and the injury prevention practices implemented within elite women's football clubs in Brazil. DESIGN Cross-sectional study. SETTING Online survey. PARTICIPANTS Head physiotherapists from 32 Brazilian elite clubs. MAIN OUTCOME MEASURES Structured questionnaire. RESULTS Physiotherapists identified ACL rupture as the primary target for prevention. The top-five perceived injury risk factors included 'early return to sport after injury', 'workload too high', 'previous injury', 'poor sleep/rest', and 'muscle strength/power deficit'. 'Adoption of return to sport criteria' was almost unanimously recognized as a very important preventive strategy. 'Poor infrastructure' was elected as the main barrier to implementing prevention programs. From a practical standpoint, at least two-third of clubs implemented multi-component exercise interventions for injury prevention. These interventions typically encompassed flexibility/mobility, balance/proprioception, lumbo-pelvic stability, and agility exercises, alongside exposure to sprinting. Strength training routines typically included traditional, functional, and eccentric exercises. Most teams also employed other prevention strategies, including adoption of return to sport criteria, internal workload monitoring, post-exercise recovery modalities, preseason risk factor screening, and application of rigid strapping tapes. CONCLUSIONS This study provided unprecedented insights into the physiotherapists' perceptions and injury prevention practices implemented within elite women's football clubs.
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Affiliation(s)
| | - Letícia Oscar Ribas
- Federal University of Health Sciences of Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil.
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15
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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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Newmarch T, Betsch M, Michalik R, Dwyer T, Whelan D, Chahal J, Theodoropoulos J. How Important are Psychological Measures to Determine Readiness to Return to Sports after Reconstruction of the Anterior Cruciate Ligament? An Online Survey Study. ZEITSCHRIFT FUR ORTHOPADIE UND UNFALLCHIRURGIE 2024; 162:185-192. [PMID: 36265494 DOI: 10.1055/a-1938-8359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Recent studies have suggested that psychological factors are important components of a successful return to sports (RTS) after anterior cruciate ligament reconstruction (ACLR). The purpose of this study was to survey physicians with respect to their criteria used to determine readiness to RTS after ACLR and to understand the significance of psychological factors on RTS. METHODS A survey was designed to understand the practices of clinicians managing rehabilitation after ACLR, consisting of 25 questions divided into 3 different sections, including one section about psychological scores and factors affecting RTS. The survey was delivered to three North American organizations for orthopedic sports medicine. RESULTS The total number of respondents was 113. Of the respondents, 95% considered psychological tests at least "somewhat important" (33% "important", 23% selected "very important"). Routine use of psychological tests in practice was only reported by 35% of respondents. The ACL-Return to Sport after Injury Scale was the most frequently used psychological test (23%). Fear of reinjury was considered the most common patient-cited psychological factor affecting RTS. Psychological factors ranked 8th out of 9 outcomes measures in determining readiness to RTS. CONCLUSION This study demonstrates a discrepancy between the importance of psychological tests and the frequency of use in practice. Additional education on this topic, web-based applications, and a multidisciplinary approach may increase the usage of psychological tests to determine RTS after ACLR.
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Affiliation(s)
- Tate Newmarch
- Orthopaedic Sports Medicine Program (UTOSM), Women's College Hospital, Toronto, Canada
| | - Marcel Betsch
- Orthopaedic Sports Medicine Program (UTOSM), Women's College Hospital, Toronto, Canada
- Klinik für Orthopädie und Unfallchirurgie, Universitätsklinikum Mannheim, Mannheim, Germany
| | - Roman Michalik
- Department of Orthopaedics, Trauma and Reconstructive Surgery, University Hospital Aachen, Aachen, Germany
| | - Tim Dwyer
- Orthopaedic Sports Medicine Program (UTOSM), Women's College Hospital, Toronto, Canada
| | - Daniel Whelan
- Orthopaedic Sports Medicine Program (UTOSM), Women's College Hospital, Toronto, Canada
| | - Jaskarndip Chahal
- Orthopaedic Sports Medicine Program (UTOSM), Women's College Hospital, Toronto, Canada
| | - John Theodoropoulos
- Orthopaedic Sports Medicine Program (UTOSM), Women's College Hospital, Toronto, Canada
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17
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Weber M, Müller M, Mathieu-Kälin M, Caminada S, Häberli M, Baur H. Evaluation of hop test movement quality to enhance return to sport testing. A cross-sectional study. Front Sports Act Living 2024; 6:1305817. [PMID: 38500546 PMCID: PMC10944867 DOI: 10.3389/fspor.2024.1305817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 02/08/2024] [Indexed: 03/20/2024] Open
Abstract
Introduction Return to Sport tests with functional hop tests are often used to decide when a person is ready to return to sport after an anterior cruciate ligament (ACL) injury. Poor movement quality, such as knee valgus, hip adduction and hip internal rotation is considered a risk factor for ACL injury. However, it is unclear whether existing tests adequately cover the aspect of movement quality. This study aims to investigate whether there is a relationship between the calculated limb symmetry index (LSI) of hop tests as an indication of performance and the total score of the "Quality First" assessment (movement quality). The second aim is to examine the reliability of the newly developed "Quality First" assessment for evaluating movement quality in hop tests. Methods The cross-sectional study recruited 34 patients with an ACL reconstruction. The vertical hop, single-leg hop for distance, and side hop tests were performed and recorded. The video recordings were assessed using the "Quality First" assessment. The Spearman correlation coefficient was calculated using the LSI and the "Quality First" total score. Intraclass correlation coefficients (ICC) and standard error of measurements (SEM) were used to calculate intra- and interrater reliability. In addition, the minimal detectable change (MDC) was determined. Results The correlation test between the LSI and the "Quality First" total score showed no correlation for all three jumps (r = -0.1-0.02/p-value = 0.65-0.93). The interrater reliability of the "Quality First" assessment showed fair to good reliability (ICC2: 0.45-0.60), with SEM ranging from 1.46 to 1.73 and the MDC from 4.06 to 4.8. Intrarater reliability was good to excellent (ICC3: 0.73-0.85), with SEM values ranging from 0.89 to 1.09 and the MDC from 2.47 to 3.01. Conclusion The quality of movement, measured with the "Quality First" assessment, indicated no correlation with the calculated LSI from jump performance, therefore movement quality should also be examined in Return to Sport tests. The "Quality First" assessment shows fair to good reliability when used by different raters. When used multiple times by the same rater, the assessment has good to excellent reliability.
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Affiliation(s)
- Melanie Weber
- Division of Physiotherapy, Department of Health Professions, Bern University of Applied Sciences, Bern, Switzerland
| | - Mirjam Müller
- Division of Physiotherapy, Department of Health Professions, Bern University of Applied Sciences, Bern, Switzerland
| | - Moritz Mathieu-Kälin
- Division of Physiotherapy, Department of Health Professions, Bern University of Applied Sciences, Bern, Switzerland
| | | | - Marina Häberli
- Altius Swiss Sportmed CenterAG, Rheinfelden, Switzerland
| | - Heiner Baur
- Division of Physiotherapy, Department of Health Professions, Bern University of Applied Sciences, Bern, Switzerland
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18
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Piussi R, Simonson R, Zsidai B, Grassi A, Karlsson J, Della Villa F, Samuelsson K, Senorski EH. Better Safe Than Sorry? A Systematic Review with Meta-analysis on Time to Return to Sport After ACL Reconstruction as a Risk Factor for Second ACL Injury. J Orthop Sports Phys Ther 2024; 54:161-175. [PMID: 38032099 DOI: 10.2519/jospt.2023.11977] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
OBJECTIVE: To compare the time to return to sport (RTS) between patients who did and did not suffer a second anterior cruciate ligament (ACL) injury after ACL reconstruction. DESIGN: Etiology systematic review with meta-analysis. LITERATURE SEARCH: Cochrane Library, Embase, Medline, AMED, and PEDro databases were searched in August 2021 and again in November 2022. STUDY SELECTION CRITERIA: Clinical studies reporting time to RTS after ACL reconstruction and second ACL injury were eligible. DATA SYNTHESIS: We pooled continuous data (time [months] and proportions [%]), with random-effects meta-analyses. Pooled estimates were summarized in forest plots. A qualitative data synthesis was also performed. RESULTS: Twenty-one studies were included in the meta-analysis and 33 in the qualitative synthesis. Pooled incidence of second ACL injury was 16.9% (95% confidence interval [CI]: 12.8, 21.6). Patients who suffered a second ACL injury returned to sport significantly earlier (25 days; 95% CI: 9.5, 40.4) than those who did not suffer another injury. There was no difference in time to RTS for professional athletes who suffered a second ACL injury and those who did not. The certainty of evidence was very low. CONCLUSION: There was very low-certainty evidence that patients who suffered a second ACL injury had returned to sport 25 days earlier than patients who did not have another injury. For professional athletes, there was no difference in time to RTS between athletes who suffered a second ACL injury and athletes who did not. J Orthop Sports Phys Ther 2024;54(3):1-15. Epub 30 November 2023. doi:10.2519/jospt.2023.11977.
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19
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Rezansoff A, Firth AD, Bryant DM, Litchfield R, McCormack RG, Heard M, MacDonald PB, Spalding T, Verdonk PCM, Peterson D, Bardana D, Getgood AMJ. Anterior Cruciate Ligament Reconstruction Plus Lateral Extra-articular Tenodesis Has a Similar Return-to-Sport Rate to Anterior Cruciate Ligament Reconstruction Alone but a Lower Failure Rate. Arthroscopy 2024; 40:384-396.e1. [PMID: 37270112 DOI: 10.1016/j.arthro.2023.05.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 03/02/2023] [Accepted: 05/17/2023] [Indexed: 06/05/2023]
Abstract
PURPOSE To determine whether the addition of lateral extra-articular tenodesis (LET) to anterior cruciate ligament reconstruction (ACLR) would improve return-to-sport (RTS) rates in young, active patients who play high-risk sports. METHODS This multicenter randomized controlled trial compared standard hamstring tendon ACLR with combined ACLR and LET using a strip of the iliotibial band (modified Lemaire technique). Patients aged 25 years or younger with an anterior cruciate ligament-deficient knee were included. Patients also had to meet 2 of the following criteria: (1) pivot-shift grade 2 or greater, (2) participation in a high-risk or pivoting sport, and (3) generalized ligamentous laxity. Time to return and level of RTS were determined via administration of a questionnaire at 24 months postoperatively. RESULTS We randomized 618 patients in this study, 553 of whom played high-risk sports preoperatively. The proportion of patients who did not RTS was similar between the ACLR (11%) and ACLR-LET (14%) groups; however, the graft rupture rate was significantly different (11.2% in ACLR group vs 4.1% in ACLR-LET group, P = .004). The most cited reason for no RTS was lack of confidence and/or fear of reinjury. A stable knee was associated with nearly 2 times greater odds of returning to a high-level high-risk sport postoperatively (odds ratio, 1.92; 95% confidence interval, 1.11-3.35; P = .02). There were no significant differences in patient-reported functional outcomes or hop test results between groups (P > .05). Patients who returned to high-risk sports had better hamstring symmetry than those who did not RTS (P = .001). CONCLUSIONS At 24 months postoperatively, patients who underwent ACLR plus LET had a similar RTS rate to those who underwent ACLR alone. Although the subgroup analysis did not show a statistically significant increase in RTS with the addition of LET, on returning, the addition of LET kept subjects playing longer by reducing graft failure rates. LEVEL OF EVIDENCE Level I, randomized controlled trial.
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Affiliation(s)
- Alex Rezansoff
- University of Calgary Sport Medicine Centre, Calgary, Canada
| | - Andrew D Firth
- Health and Rehabilitation Sciences, Faculty of Health Sciences, Western University, London, Canada
| | - Dianne M Bryant
- Fowler Kennedy Sport Medicine Clinic, London, Canada; Department of Surgery, Schulich School of Medicine and Dentistry, Western University, London, Canada; School of Physical Therapy, Western University, London, Canada
| | - Robert Litchfield
- Fowler Kennedy Sport Medicine Clinic, London, Canada; Department of Surgery, Schulich School of Medicine and Dentistry, Western University, London, Canada
| | - Robert G McCormack
- Department of Orthopedics, University of British Columbia, Vancouver, Canada; New West Orthopaedic & Sports Medicine Centre, New Westminster, Canada
| | - Mark Heard
- Department of Surgery, University of Calgary, Calgary, Canada; Banff Sport Medicine, Banff, Canada
| | - Peter B MacDonald
- Department of Surgery, University of Manitoba, Winnipeg, Canada; Pan Am Clinic, Winnipeg, Canada
| | - Tim Spalding
- University Hospitals Coventry and Warwickshire National Health Service Trust, Coventry, England
| | - Peter C M Verdonk
- Department of Physical Medicine and Orthopedics, Ghent University, Ghent, Belgium; Antwerp Orthopedic Center, Antwerp, Belgium
| | - Devin Peterson
- Department of Surgery, Queen's University, Kingston, Canada
| | - Davide Bardana
- Department of Surgery, McMaster University, Hamilton, Canada; Department of Surgery, Queen's University, Kingston, Canada
| | - Alan M J Getgood
- Fowler Kennedy Sport Medicine Clinic, London, Canada; Department of Surgery, Schulich School of Medicine and Dentistry, Western University, London, Canada.
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Qiu J, Jiang T, Ong MTY, He X, Choi CY, Fu SC, Fong DTP, Yung PSH. Bilateral impairments of quadriceps neuromuscular function occur early after anterior cruciate ligament injury. Res Sports Med 2024; 32:72-85. [PMID: 35635286 DOI: 10.1080/15438627.2022.2079986] [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: 02/24/2022] [Accepted: 05/16/2022] [Indexed: 10/18/2022]
Abstract
The study aimed to investigate the impairments in quadriceps neuromuscular function, including strength, rate of torque development (RTD) and activation failure (QAF) early after an ACL injury. A cross-sectional study was conducted. Thirty physically active patients with a primary ACL injury within three months, aged 18 to 40 years old, and who were scheduled for ACL reconstruction were included. Thirty matched healthy controls were also recruited. All the outcomes were measured on an isokinetic dynamometer with knee flexion at 45°. Quadriceps strength was measured by maximal voluntary isometric contractions (MVIC). Early (RTD0-50) and late (RTD100-200) phases of RTD were retrieved from the MVIC test from 0 to 50 ms and 100-200 ms, respectively. QAF was quantified by the central activation ratio (CAR) measured by superimposed burst technique. The results of Mann-Whitney U test showed that compared with the healthy limbs, the injured limbs of the ACL group showed lower quadriceps strength (P < 0.001), RTD0-50 (P < 0.001) and RTD100-200 (P < 0.001); the uninjured limbs showed lower quadriceps strength (P = 0.009), RTD0-50 (P = 0.006) as well as greater QAF (P = 0.010). To conclude, bilateral quadriceps suffered from neuromuscular impairments early after an ACL injury.
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Affiliation(s)
- Jihong Qiu
- Department of Orthopaedics and Traumatology, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, China
| | - Tianzhi Jiang
- Department of Orthopaedics and Traumatology, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, China
| | - Michael Tim-Yun Ong
- Department of Orthopaedics and Traumatology, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, China
| | - Xin He
- Department of Orthopaedics and Traumatology, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, China
| | - Chi-Yin Choi
- Department of Orthopaedics and Traumatology, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, China
| | - Sai-Chuen Fu
- Department of Orthopaedics and Traumatology, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, China
- Lui Che Woo Institute of Innovative Medicine, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, China
| | - Daniel T P Fong
- National Centre for Sport and Exercise Medicine, School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Patrick Shu-Hang Yung
- Department of Orthopaedics and Traumatology, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, China
- Lui Che Woo Institute of Innovative Medicine, Faculty of Medicine, the Chinese University of Hong Kong, Hong Kong SAR, China
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21
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Simonsson R, Högberg J, Lindskog J, Piussi R, Sundberg A, Sansone M, Samuelsson K, Thomeé R, Hamrin Senorski E. A comparison between physical therapy clinics with high and low rehabilitation volumes of patients with ACL reconstruction. J Orthop Surg Res 2023; 18:842. [PMID: 37936163 PMCID: PMC10629052 DOI: 10.1186/s13018-023-04304-4] [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: 07/19/2023] [Accepted: 10/20/2023] [Indexed: 11/09/2023] Open
Abstract
BACKGROUND Treatment volume can impact outcomes after surgical procedures of the knee between surgeons with high- and low-patient-volumes. However, the difference between physical therapeutic clinics with high- and low-volumes has not been widely researched. This registry study aims to investigate how patient volume affects knee function outcomes after anterior cruciate ligament (ACL) reconstruction at physical therapy (PT) clinics in terms of odds for a second ACL injury, return to pre-injury level of activity, perceived knee function, and recovery of strength and hop performance. METHOD Data were extracted from the Project ACL, a local rehabilitation registry. High- and low-volume clinics were defined based on the number of patients who attended different clinics. High-volume clinics were defined as those with > 100 patient registrations in Project ACL during the study period while low-volume clinics were those with ≤ 100 patient registrations. High- and low-volume clinics were compared, based on muscle function and patient-reported outcomes across 4 follow-ups, 2-, 4-, 8-, and 12 months, during the first year after ACL reconstruction, and odds of second ACL injury up to 2 years after ACL reconstruction. RESULT Of the 115 rehabilitation clinics included, 111 were classified as low-volume clinics and included 733 patients, and 4 as high-volume clinics which included 1221 patients. There were 31 (1.6%) second ACL injuries to the ipsilateral or contralateral side within the first 12 months and 68 (4.0%) within 2 years. No difference in the incidence of a second ACL injury, within 12 months follow-up odds ratio (OR) 0.95 [95% CI 0.46-1.97] or within 2 years follow-up OR 1.13 [95% CI 0.68-1.88], was found between high- and low-volume clinics. There were early (2 months) and non-clinically relevant differences in patient-reported outcomes (PROs) and physical activity levels early after ACL reconstruction in favor of high-volume clinics. One year after ACL reconstruction, no differences were observed between high- and low-volume clinics in terms of PROs, muscle function, and return to pre-injury level of activity. CONCLUSION No clinically relevant difference in the incidence of secondary ACL injuries in patients who underwent rehabilitation after ACL reconstruction at high- or low-volume physical therapist clinics was found. In addition, no clinically relevant differences in outcomes were found during the first year in terms of patient-reported outcomes, recovery of muscle function, or return to pre-injury level of activity.
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Affiliation(s)
- Rebecca Simonsson
- Sportrehab Sports Medicine Clinic, Stampgatan 14, 411 01, Gothenburg, Sweden.
- Sahlgrenska Sports Medicine Center, Gothenburg, Sweden.
- Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, 405 30, Gothenburg, Sweden.
| | - Johan Högberg
- Sportrehab Sports Medicine Clinic, Stampgatan 14, 411 01, Gothenburg, Sweden
- Sahlgrenska Sports Medicine Center, Gothenburg, Sweden
- Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, 405 30, Gothenburg, Sweden
| | - Jakob Lindskog
- Sportrehab Sports Medicine Clinic, Stampgatan 14, 411 01, Gothenburg, Sweden
| | - Ramana Piussi
- Sportrehab Sports Medicine Clinic, Stampgatan 14, 411 01, Gothenburg, Sweden
- Sahlgrenska Sports Medicine Center, Gothenburg, Sweden
- Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, 405 30, Gothenburg, Sweden
| | - Axel Sundberg
- Capio Ortho Center Gothenburg, Drakegatan 7A, SE-412 50, Gothenburg, Sweden
| | - Mikael Sansone
- Sahlgrenska Sports Medicine Center, Gothenburg, Sweden
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Kristian Samuelsson
- Sahlgrenska Sports Medicine Center, Gothenburg, Sweden
- Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Department of Orthopaedics, Sahlgrenska University Hospital, Mölndal, Sweden
| | - Roland Thomeé
- Sportrehab Sports Medicine Clinic, Stampgatan 14, 411 01, Gothenburg, Sweden
- Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, 405 30, Gothenburg, Sweden
| | - Eric Hamrin Senorski
- Sportrehab Sports Medicine Clinic, Stampgatan 14, 411 01, Gothenburg, Sweden
- Sahlgrenska Sports Medicine Center, Gothenburg, Sweden
- Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, 405 30, Gothenburg, Sweden
- Swedish Olympic Committee, Stockholm, Sweden
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Shankar DS, Milton HA, Mojica ES, Buzin S, Strauss EJ, Campbell KA, Alaia MJ, Gonzalez-Lomas G, Jazrawi LM. Force plate jump testing metrics are predictive of performance on a multimodal return to sport testing protocol among anterior cruciate ligament reconstruction patients at minimum six-month follow-up. J Sports Med Phys Fitness 2023; 63:1208-1217. [PMID: 37526491 DOI: 10.23736/s0022-4707.23.14850-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
BACKGROUND Force plate-based jump testing may serve as a potential alternative to traditional return to sport (RTS) testing batteries. The purpose of our study was to identify force plate jump metrics that were predictive of RTS test findings in patients who were at least six months postoperative following anterior cruciate ligament reconstruction (ACLR). METHODS We conducted a cross-sectional study of patients who underwent ACLR at our center and were at least six months postoperative. Subjects completed a multimodal Institutional RTS (IRTS) testing battery which included range of motion (ROM) testing and isokinetic quadriceps strength testing. Subjects also completed a countermovement jump testing protocol on a commercially-available force plate. Jump metrics predictive of IRTS test findings were identified using multivariable linear and logistic regression with stepwise selection. Model significance was assessed at α=0.002. RESULTS Sixteen patients (7M, 9F) were enrolled in our study with median age of 29 years (range 20-47). Relative concentric impulse was positively predictive of knee flexion active ROM (β=7.07, P=0.01) and passive ROM (β=9.79, P=0.003). Maximum power was positively predictive of quadriceps strength at 60 deg/s (β=3.27, P<0.001) and 180 deg/s (β=2.46, P<0.001). Center-of-pressure (COP) shift acceleration along the force plate X-axis was negatively predictive of Bunkie lateral test score (β=-945, P<0.001) and medial test score (β=-839, P=0.03). CONCLUSIONS Force plate-derived vertical jump testing metrics are predictive of certain components of a multimodal RTS physical assessment for ACLR patients, including knee flexion ROM, quadriceps strength on isokinetic testing, and Bunkie Test performance.
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Affiliation(s)
- Dhruv S Shankar
- Division of Sports Medicine, Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA -
| | - Heather A Milton
- Division of Sports Medicine, Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
| | - Edward S Mojica
- Division of Sports Medicine, Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
| | - Scott Buzin
- Division of Sports Medicine, Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
| | - Eric J Strauss
- Division of Sports Medicine, Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
| | - Kirk A Campbell
- Division of Sports Medicine, Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
| | - Michael J Alaia
- Division of Sports Medicine, Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
| | - Guillem Gonzalez-Lomas
- Division of Sports Medicine, Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
| | - Laith M Jazrawi
- Division of Sports Medicine, Department of Orthopedic Surgery, New York University Langone Health, New York, NY, USA
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23
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Keogh JAJ, Waddington EE, Masood Z, Mahmood S, Palanisamy AC, Ruder MC, Karsan S, Bishop C, Jordan MJ, Heisz JJ, Kobsar D. Monitoring lower limb biomechanical asymmetry and psychological measures in athletic populations-A scoping review. Scand J Med Sci Sports 2023; 33:2125-2148. [PMID: 37551046 DOI: 10.1111/sms.14460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 06/23/2023] [Accepted: 07/18/2023] [Indexed: 08/09/2023]
Abstract
BACKGROUND Lower limb biomechanics, including asymmetry, are frequently monitored to determine sport performance level and injury risk. However, contributing factors extend beyond biomechanical and asymmetry measures to include psychological, sociological, and environmental factors. Unfortunately, inadequate research has been conducted using holistic biopsychosocial models to characterize sport performance and injury risk. Therefore, this scoping review summarized the research landscape of studies concurrently assessing measures of lower limb biomechanics, asymmetry, and introspective psychological state (e.g., pain, fatigue, perceived exertion, stress, etc.) in healthy, competitive athletes. METHODS A systematic search of MEDLINE, Embase, CINAHL, SPORTDiscus, and Web of Science Core Collections was designed and conducted in accordance with PRISMA guidelines. Fifty-one articles were included in this review. RESULTS Significant relationships between biomechanics (k = 22 studies) or asymmetry (k = 20 studies) and introspective state were found. Increased self-reported pain was associated with decreased range of motion, strength, and increased lower limb asymmetry. Higher ratings of perceived exertion were related to increased lower limb asymmetry, self-reported muscle soreness, and worse jump performance. Few studies (k = 4) monitored athletes longitudinally throughout one or more competitive season(s). CONCLUSION This review highlights the need for concurrent analysis of introspective, psychological state, and biomechanical asymmetry measures along with longitudinal research to understand the contributing factors to sport performance and injury risk from biopsychosocial modeling. In doing so, this framework of biopsychosocial preventive and prognostic patient-centered practices may provide an actionable means of optimizing health, well-being, and sport performance in competitive athletes.
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Affiliation(s)
- Joshua A J Keogh
- Department of Kinesiology, Faculty of Science, McMaster University, Hamilton, Ontario, Canada
| | - Emma E Waddington
- Department of Kinesiology, Faculty of Science, McMaster University, Hamilton, Ontario, Canada
| | - Zaryan Masood
- Department of Kinesiology, Faculty of Science, McMaster University, Hamilton, Ontario, Canada
| | - Sobia Mahmood
- Department of Kinesiology, Faculty of Science, McMaster University, Hamilton, Ontario, Canada
| | - Anil C Palanisamy
- Department of Kinesiology, Faculty of Science, McMaster University, Hamilton, Ontario, Canada
| | - Matthew C Ruder
- Department of Kinesiology, Faculty of Science, McMaster University, Hamilton, Ontario, Canada
| | - Sameena Karsan
- Department of Kinesiology, Faculty of Science, McMaster University, Hamilton, Ontario, Canada
| | - Chris Bishop
- London Sports Institute, Middlesex University, London, UK
| | - Matthew J Jordan
- Faculty of Kinesiology, Sport Medicine Centre, University of Calgary, Calgary, Alberta, Canada
| | - Jennifer J Heisz
- Department of Kinesiology, Faculty of Science, McMaster University, Hamilton, Ontario, Canada
| | - Dylan Kobsar
- Department of Kinesiology, Faculty of Science, McMaster University, Hamilton, Ontario, Canada
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Maestroni L, Turner A, Papadopoulos K, Sideris V, Read P. Total Score of Athleticism: Profiling Strength and Power Characteristics in Professional Soccer Players After Anterior Cruciate Ligament Reconstruction to Assess Readiness to Return to Sport. Am J Sports Med 2023; 51:3121-3130. [PMID: 37681510 PMCID: PMC10543956 DOI: 10.1177/03635465231194778] [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: 12/02/2022] [Accepted: 07/11/2023] [Indexed: 09/09/2023]
Abstract
BACKGROUND There is no consensus on the optimal testing procedure to determine return-to-sport (RTS) readiness after anterior cruciate ligament (ACL) reconstruction. Current approaches use limb symmetry across a range of tests, but this does not consider a patient's level of athleticism or benchmarks relative to his or her noninjured counterparts. PURPOSE To examine the utility of the Total Score of Athleticism (TSA), a composite scale including strength, power, and reactive strength assessments, to aid RTS decision-making. STUDY DESIGN Cross-sectional study; Level of evidence, 3. METHODS A total of 95 professional soccer players (60 who underwent ACL reconstruction [mean age, 25.1 ± 12.6 years] and 35 who were uninjured [mean age, 23.8 ± 2.8 years]) completed a battery of tests including isokinetic knee extension and flexion torque, bilateral and unilateral countermovement jump height, relative peak power, and reactive strength index-modified. The TSA score (derived from Z scores) was calculated, and we (1) examined differences between the ACL-reconstructed and uninjured groups at the time of RTS, (2) assessed the predictive ability of the TSA to identify the player's status (ACL reconstruction vs uninjured control), and (3) included a case series to discuss the characteristics of players who sustained a subsequent injury within 4 months after RTS. RESULTS A large difference between the ACL-reconstructed and uninjured groups in the TSA score (d = 0.84; P < .0001) was evident. For every additional increase of 1 unit in the TSA score, the odds of belonging to the ACL-reconstructed group decreased by 74% (95% CI, 0.19-0.56). By visual inspection, the frequency of reinjured players was higher in the low (4/7) TSA tertile compared with the medium (2/7) and high (1/7) TSA tertiles. CONCLUSION Preliminary evidence indicates that the TSA may be a useful RTS readiness tool, as the composite score derived from strength and power measures was different in soccer players at the time of RTS after ACL reconstruction compared with healthy matched controls. There was also a higher frequency of low TSA scores in players who sustained a second injury after RTS. Therefore, it is recommended to routinely administer RTS tests encompassing strength, power, and reactive strength qualities each season across the largest possible number of players (ideally teammates).
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Affiliation(s)
- Luca Maestroni
- ReAct, Bergamo, Italy
- London Sport Institute, Faculty of Science and Technology, Middlesex University, London, UK
| | - Anthony Turner
- London Sport Institute, Faculty of Science and Technology, Middlesex University, London, UK
| | | | - Vasileios Sideris
- Rehabilitation Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Paul Read
- Institute of Sport, Exercise and Health, London, UK
- School of Sport and Exercise, University of Gloucestershire, Gloucester, UK
- Division of Surgery and Interventional Science, University College London, London, UK
- Faculty of Sport, Allied Health and Performance Sciences, St Marys University, Twickenham, UK
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25
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Zarro M, Dickman M, Hulett T, Rowland R, Larkins D, Taylor J, Nelson C. Hop to It! The Relationship Between Hop Tests and The Anterior Cruciate Ligament - Return to Sport Index After Anterior Cruciate Ligament Reconstruction in NCAA Division 1 Collegiate Athletes. Int J Sports Phys Ther 2023; 18:1076-1084. [PMID: 37795334 PMCID: PMC10547069 DOI: 10.26603/001c.86130] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 08/05/2023] [Indexed: 10/06/2023] Open
Abstract
Background Outcomes after anterior cruciate ligament reconstruction (ACLR) may not be optimal, with poor physical and psychological function potentially affecting return to sport (RTS) ability. Understanding the relationship between commonly used hop tests and the Anterior Cruciate Ligament - Return to Sport Index (ACL-RSI) may improve rehabilitation strategies and optimize patient outcomes. Hypothesis/Purpose The purpose of this study was to examine the relationship between ACL-RSI scores and limb symmetry index (LSI) for the single hop for distance (SHD), triple hop for distance (THD), crossover hop for distance (CHD), timed 6-meter hop (T6H), and single leg vertical hop (SLVH) in a cohort of National Collegiate Athletic Association (NCAA) Division 1 collegiate athletes after ACLR. The hypothesis was that SLVH LSI would be more highly correlated with ACL-RSI score than all horizontal hop tests. Study design Cross-Sectional Study. Methods Twenty-one National Collegiate Athletic Association (NCAA) Division 1 collegiate athletes (7 males, 14 females) at 6.62 ± 1.69 months after ACLR were included in this retrospective study. Primary outcomes were ACL-RSI score and LSI for SHD, THD, CHD, T6H, and SLVH. The relationship between ACL-RSI scores and performance on hop tests (LSIs) was evaluated using correlation analysis and step-wise linear regression (p ≤ 0.05). Results There were significant correlations found when comparing ACL-RSI and the LSI for SHD (rs = 0.704, p < 0.001), THD (rs = 0.617, p = 0.003), CHD (rs = 0.580, p = 0.006), and SLVH (rs = 0.582, p = 0.006). The CHD explained 66% (R2 value of 0.660) of the variance in the ACL-RSI, while the other hop tests did not add to the predictive model. Conclusions Physical function has the capacity to influence psychological status after ACLR. Clinicians should recognize that SLVH, SHD, THD, and CHD are correlated with ACL-RSI and improvements in physical function during rehabilitation may improve psychological status and optimize RTS after ACLR. Level of evidence Level 3.
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Affiliation(s)
- Michael Zarro
- Physical Therapy and Rehabilitation Science University of Maryland, Baltimore
- Orthopaedics University of Maryland, Baltimore
| | - Madelyn Dickman
- Physical Therapy and Rehabilitation Science University of Maryland, Baltimore
| | - Timothy Hulett
- Physical Therapy and Rehabilitation Science University of Maryland, Baltimore
| | - Robert Rowland
- Physical Therapy and Rehabilitation Science University of Maryland, Baltimore
- Orthopaedics University of Maryland, Baltimore
| | - Derrick Larkins
- Physical Therapy and Rehabilitation Science University of Maryland, Baltimore
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26
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Farraye BT, Simon JE, Chaput M, Kim H, Monfort SM, Grooms DR. Development and Reliability of a Visual-Cognitive Reactive Triple Hop Test. J Sport Rehabil 2023; 32:802-809. [PMID: 37328155 PMCID: PMC10883464 DOI: 10.1123/jsr.2022-0398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 03/07/2023] [Accepted: 05/01/2023] [Indexed: 06/18/2023]
Abstract
CONTEXT Current lower-extremity return to sport testing primarily considers the physical status of an athlete; however, sport participation requires continuous cognitive dual-task engagement. Therefore, the purpose was to develop and evaluate the reliability of a visual-cognitive reactive (VCR) triple hop test that simulates the typical sport demand of combined online visual-cognitive processing and neuromuscular control to improve return to sport testing after lower-extremity injury. DESIGN Test-retest reliability. METHODS Twenty-one healthy college students (11 females, 23.5 [3.7] y, 1.73 [0.12] m, 73.0 [16.8] kg, Tegner Activity Scale 5.5 [1.1] points) participated. Participants performed a single-leg triple hop with and without a VCR dual task. The VCR task incorporated the FitLight system to challenge peripheral response inhibition and central working memory. Maximum hop distance, reaction time, cognitive errors, and physical errors were measured. Two identical testing visits were separated by 12 to 17 days (14 [1] d). RESULTS Traditional triple hop (intraclass correlation coefficients: ICC(3,1) = .96 [.91-.99]; standard error of the measurement = 16.99 cm) and the VCR triple hop (intraclass correlation coefficients(3,1) = .92 [.82-.97]; standard error of the measurement = 24.10 cm) both demonstrated excellent reliability for the maximum hop distance, and moderate reliability for the VCR triple hop reaction time (intraclass correlation coefficients(3,1) = .62 [.09-.84]; standard error of the measurement = 0.09 s). On average, the VCR triple hop resulted in a hop distance deficit of 8.17% (36.4 [5.1] cm; P < .05, d = 0.55) relative to the traditional triple hop. CONCLUSIONS Hop distance on the VCR triple hop had excellent test-retest reliability and induced a significant physical performance deficit when compared with the traditional triple hop assessment. The VCR triple hop reaction time also demonstrated moderate reliability.
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Affiliation(s)
- Byrnadeen T Farraye
- Division of Physical Therapy, School of Rehabilitation and Communication Sciences, College of Health Sciences and Professions, Ohio University, Athens, OH,USA
- Ohio Musculoskeletal and Neurological Institute, Ohio University, Athens, OH,USA
| | - Janet E Simon
- Ohio Musculoskeletal and Neurological Institute, Ohio University, Athens, OH,USA
- Division of Athletic Training, School of Applied Health Sciences and Wellness, College of Health Sciences and Professions, Ohio University, Athens, OH,USA
| | - Meredith Chaput
- Division of Physical Therapy, School of Rehabilitation and Communication Sciences, College of Health Sciences and Professions, Ohio University, Athens, OH,USA
- Ohio Musculoskeletal and Neurological Institute, Ohio University, Athens, OH,USA
| | - HoWon Kim
- Division of Physical Therapy, School of Rehabilitation and Communication Sciences, College of Health Sciences and Professions, Ohio University, Athens, OH,USA
- Ohio Musculoskeletal and Neurological Institute, Ohio University, Athens, OH,USA
| | - Scott M Monfort
- Department of Mechanical & Industrial Engineering, Montana State University, Bozeman, MT,USA
| | - Dustin R Grooms
- Division of Physical Therapy, School of Rehabilitation and Communication Sciences, College of Health Sciences and Professions, Ohio University, Athens, OH,USA
- Ohio Musculoskeletal and Neurological Institute, Ohio University, Athens, OH,USA
- Division of Athletic Training, School of Applied Health Sciences and Wellness, College of Health Sciences and Professions, Ohio University, Athens, OH,USA
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27
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Fayard JM, Foissey C, Pacoret V, Abid H, Vieira TD, Gabr A, Thaunat M. Return to Sports After ACL Augmentation With Anterolateral Reconstruction (ALR) Harvesting Gracilis Only Compared With ACL Reconstruction With ALR Harvesting Both Hamstring Tendons. Am J Sports Med 2023; 51:2918-2927. [PMID: 37548031 DOI: 10.1177/03635465231187038] [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] [Indexed: 08/08/2023]
Abstract
BACKGROUND Anterior cruciate ligament (ACL) repair (ACL-Rp) is known to be a valuable alternative to ACL reconstruction (ACL-Rc) in selected indications. The majority of the ACL-Rp techniques recommend the use of a synthetic brace. The use of the gracilis allows both a biological internal brace and anterolateral ligament reconstruction (ALR). PURPOSE The primary objective was to compare the early ability to return to sports between patients who underwent ACL-Rp using a gracilis autograft as an internal brace augmentation with ALR and patients who underwent the conventional ACL-Rc with ALR technique sacrificing both the gracilis and the semitendinosus. The secondary objective was to compare the failure rate, clinical scores, and return to sports at a minimum follow-up of 2 years. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS A retrospective analysis was undertaken. A total of 49 patients who underwent ACL-Rp with ALR between December 2018 and May 2019 were propensity matched at a 1:1 ratio to those who underwent ACL-Rc with ALR during the same period. The decision to perform ACL-Rp with ALR was based on preoperative selection and intraoperative arthroscopic findings: proximal avulsion tear, partial ACL tear, low- to midlevel sports participation, and good tissue quality. The ability to return to sports was assessed using isokinetic tests and the Knee Santy Athletic Return to Sport test functional test at 6 months postoperatively. At the final follow-up, knee laxity parameters, return to sports, and clinical outcome (Lysholm score, Tegner Activity Scale score, International Knee Documentation Committee score, Knee injury and Osteoarthritis Outcome Score, and Anterior Cruciate Ligament-Return to Sport after Injury score) were recorded. RESULTS The ACL-Rp group had significantly less hamstring strength deficit when compared with their counterparts who underwent ACL-Rc (0.2% vs 10.2% in concentric, P < .001; 2.5% vs 14% in eccentric, P < .001). The mean Knee Santy Athletic Return to Sport test score was significantly higher in the ACL-Rc group (69.7% ± 16.6% [range, 19%-100%] vs 61% ± 16.8% [range, 19%-100%]; P = .001). In the ACL-Rp group, 61% (30/49) of the patients were authorized to return to pivot sports versus 41% (20/49) in the ACL-Rc group (P = .04). At a mean final follow-up of 31.4 ± 3.5 months, no significant differences were demonstrated between groups with respect to clinical scores and knee laxity parameters. There was a trend for a higher failure rate in the ACL-Rp group without any significance (ACL-Rp: 6.1% [3/49] vs ACL-Rc: 0%; P = .08). CONCLUSION At 6 months after operation, harvesting only the gracilis with this ACL-Rp and augmentation with ALR technique was linked to a better early ability to return to sports compared with the ACL-Rc with ALR technique harvesting both the gracilis and semitendinosus. This technique had a limited effect on early flexion strength and provided a satisfactory rerupture rate.
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Affiliation(s)
- Jean-Marie Fayard
- Centre Orthopédique Santy, Lyon, France
- Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Constant Foissey
- Centre Orthopédique Santy, Lyon, France
- Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Victor Pacoret
- Centre Orthopédique Santy, Lyon, France
- Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Hichem Abid
- Centre Orthopédique Santy, Lyon, France
- Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Thais Dutra Vieira
- Centre Orthopédique Santy, Lyon, France
- Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
| | - Ayman Gabr
- University College London Hospital, London, United Kingdom
| | - Mathieu Thaunat
- Centre Orthopédique Santy, Lyon, France
- Hôpital Privé Jean Mermoz, Ramsay-Générale de Santé, Lyon, France
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28
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Oladeji L, Reynolds G, Gonzales H, DeFroda S. Anterior Cruciate Ligament Return to Play: Where Are We Now? J Knee Surg 2023. [PMID: 37459893 DOI: 10.1055/a-2130-4909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
Anterior cruciate ligament reconstruction (ACLR) is a commonly performed orthopaedic procedure, and it is crucial to assess an athlete's readiness to safely return to sports following ACLR to minimize the risk of reinjury. Despite this, determining optimal return to play (RTP) criteria following ACLR that is accurate, accessible, and reproducible remains challenging. This review aims to discuss commonly employed RTP criteria domains, including functional assessments, patient-reported outcomes, and psychological tests, as well as emerging technologies such as magnetic resonance imaging (MRI) that may play a role as a gold standard in RTP assessment. The findings of this review suggest RTP decision making after ACL surgery is nuanced and traditionally used objective measures do not perfectly predict RTS rates or clinical outcomes. In the future, a standardized MRI screening tool could help predict reinjury. The role of functional and psychological patient-reported outcome measures needs to defined, and objective criteria should be rigorously evaluated for whether they accurately screen an athlete's physical readiness and should be expanded to include more sport-specific movement analysis.
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Affiliation(s)
- Lasun Oladeji
- Department of Orthopaedic Surgery, University of Missouri Columbia, Columbia, Missouri
| | - Grace Reynolds
- Department of Orthopaedic Surgery, University of Missouri Columbia, Columbia, Missouri
| | - Hyeri Gonzales
- Department of Orthopaedic Surgery, University of Missouri Columbia, Columbia, Missouri
| | - Steven DeFroda
- Department of Orthopaedic Surgery, University of Missouri Columbia, Columbia, Missouri
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29
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Thompson XD, Bruce Leicht AS, Hopper HM, Kaur M, Diduch DR, Brockmeier SF, Miller MD, Gwathmey FW, Werner BC, Hart JM. Knee extensor torque-velocity relationships following anterior cruciate ligament reconstruction. Clin Biomech (Bristol, Avon) 2023; 108:106058. [PMID: 37531869 DOI: 10.1016/j.clinbiomech.2023.106058] [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: 04/28/2023] [Revised: 06/19/2023] [Accepted: 07/27/2023] [Indexed: 08/04/2023]
Abstract
BACKGROUND The inherent nature of the torque-velocity relationship is the inverse nature between the velocity of muscle contraction and torque production and is an indication of muscle function. The purpose of this study was to characterize the torque-velocity relationship in the quadriceps following anterior cruciate ligament reconstruction compared to healthy limbs. METHODS 681 participants were included, 493 of which were patients at least four months following anterior cruciate ligament reconstruction (23.2 ± 10.08 yr, 6.6 ± 5.37 months post-surgery) and 188 were healthy participants (21.6 ± 3.77 yr). A subset of 175 post-surgical participants completed a repeated visit (8.1 ± 1.71 months post-surgery). Participants completed isokinetic knee extension at 90°/s and 180°/s. A one-way ANOVA was used to compare torque velocity relationships by limb type (surgical, contralateral, healthy). Paired samples t-tests were conducted to analyze the torque-velocity relationship across limbs and across time. FINDINGS There was a large effect for limb type on torque-velocity (F(2, 1173) = 146.08, p < 0.001, η2 = 0.20). Surgical limbs demonstrated significantly lower torque-velocity relationships compared to the contralateral limbs (ACLR: 0.26 Nm/kg, contralateral:0.55 Nm/kg, p < 0.001, d = 1.18). Healthy limbs had similar torque-velocity relationships bilaterally (dominant limb: 0.48 Nm/kg, non-dominant limb: 0.49 Nm/kg, p = 0.45). The torque velocity relationship for the involved limb significantly increased in magnitude over time (+0.11 Nm/kg, p < 0.001, d = -0.61) while the contralateral limb torque-velocity relationship remained stable over time (0.0 Nm/kg difference, p = 0.60). INTERPRETATION Following surgery, the knee extensors appear to have altered torque-velocity relationships compared to contralateral and healthy limbs. This may indicate a specific target for assessment and rehabilitation following surgery.
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Affiliation(s)
- Xavier D Thompson
- University of Virginia, Department of Kinesiology, Charlottesville, VA, United States of America.
| | - Amelia S Bruce Leicht
- University of Kentucky, Department of Athletic Training and Clinical Nutrition, Lexington, KY, United States of America
| | - Haleigh M Hopper
- Virginia Commonwealth University, School of Medicine, Richmond, VA, United States of America
| | - Mandeep Kaur
- Northern Arizona University, Department of Physical Therapy and Athletic Training, Flagstaff, AZ, United States of America
| | - David R Diduch
- University of Virginia, Department of Orthopedic Surgery, Charlottesville, VA, United States of America
| | - Stephen F Brockmeier
- University of Virginia, Department of Orthopedic Surgery, Charlottesville, VA, United States of America
| | - Mark D Miller
- University of Virginia, Department of Orthopedic Surgery, Charlottesville, VA, United States of America
| | - F Winston Gwathmey
- University of Virginia, Department of Orthopedic Surgery, Charlottesville, VA, United States of America
| | - Brian C Werner
- University of Virginia, Department of Orthopedic Surgery, Charlottesville, VA, United States of America
| | - Joe M Hart
- University of North Carolina School of Medicine, Department of Orthopaedics, Chapel Hill, NC, United States of America
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Piussi R, Simonson R, Högberg J, Thomeé R, Samuelsson K, Hamrin Senorski E. No Effect of Return to Sport Test Batteries with and without Psychological PROs on the Risk of a Second ACL Injury: A Critical Assessment of Four Different Test Batteries. Int J Sports Phys Ther 2023; 18:874-886. [PMID: 37547843 PMCID: PMC10399086 DOI: 10.26603/001c.81064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 05/07/2023] [Indexed: 08/08/2023] Open
Abstract
Background Patients report psychological barriers as important when returning to sport, however, psychological outcome measures are seldom included in return to sport (RTS) assessment. There is a need for clinical trials to integrate psychological patient-reported outcomes (PROs) in return to sport batteries assessing patients treated with ACL reconstruction. Objective The aim of this study was to determine the association between passing clinical tests of muscle function and psychological PROs and sustaining a second ACL injury in patients who RTS after primary ACL reconstruction. Design Retrospective Cohort study. Methods Patients' sex, age, height and weight, and the results of strength and hop tests, as well as answers to PRO's (including Tegner activity scale, the ACL Return to Sport after Injury scale (ACL-RSI) as well as the Quality of Life (QoL) subscale of the Knee injury and Osteoarthritis Outcome Score [KOOS]), were extracted from a rehabilitation-specific registry. Four different test batteries comprising muscle function tests and PROs were created to assess whether patients were ready to RTS. Passing each of the test batteries (yes/no) was used as an independent variable. A multivariable Cox proportional hazard model analysis was performed, with sustaining a second ACL injury (either ipsi- or contralateral; yes/no) within two years of RTS as the dependent variable. Results A total of 419 patients (male, n=214; 51%) were included, of which 51 (12.2%) suffered a second ACL injury within the first two years after RTS. There were no differences in passing rates in the different RTS test batteries comprising muscle function tests and PROs for patients who suffered a second ACL injury compared to patients who did not. Conclusion No association between passing the RTS clinical tests batteries comprising muscle function and psychological PROs used, and the risk of a second ACL injury could be found. Level of Evidence 3©The Author(s).
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Affiliation(s)
- Ramana Piussi
- Sportrehab Sports Medicine Clinic, Stampgatan 14, SE-411 01 Gothenburg, Sweden
- Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, SE-405 30 Gothenburg, Sweden
- Sahlgrenska Sport Medicine Center, Gothenburg, Sweden
| | - Rebecca Simonson
- Sportrehab Sports Medicine Clinic, Stampgatan 14, SE-411 01 Gothenburg, Sweden
- Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, SE-405 30 Gothenburg, Sweden
- Sahlgrenska Sport Medicine Center, Gothenburg, Sweden
| | - Johan Högberg
- Sportrehab Sports Medicine Clinic, Stampgatan 14, SE-411 01 Gothenburg, Sweden
- Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, SE-405 30 Gothenburg, Sweden
- Sahlgrenska Sport Medicine Center, Gothenburg, Sweden
| | - Roland Thomeé
- Sportrehab Sports Medicine Clinic, Stampgatan 14, SE-411 01 Gothenburg, Sweden
- Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, SE-405 30 Gothenburg, Sweden
| | - Kristian Samuelsson
- Sahlgrenska Sport Medicine Center, Gothenburg, Sweden
- Department of Orthopaedics, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Department of Orthopaedics, Sahlgrenska University Hospital, Mölndal, Sweden
| | - Eric Hamrin Senorski
- Sportrehab Sports Medicine Clinic, Stampgatan 14, SE-411 01 Gothenburg, Sweden
- Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Box 455, SE-405 30 Gothenburg, Sweden
- Sahlgrenska Sport Medicine Center, Gothenburg, Sweden
- Swedish Olympic Committee, Stockholm, Sweden
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Golberg E, Pinkoski A, Beaupre L, Rouhani H. Monitoring External Workload With Wearable Technology After Anterior Cruciate Ligament Reconstruction: A Scoping Review. Orthop J Sports Med 2023; 11:23259671231191134. [PMID: 37655252 PMCID: PMC10467401 DOI: 10.1177/23259671231191134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 04/14/2023] [Indexed: 09/02/2023] Open
Abstract
Background Current sports medicine and rehabilitation trends indicate an increasing use of wearable technology. The ability of these devices to collect, transmit, and process physiological, biomechanical, bioenergy, and environmental data may aid in anterior cruciate ligament reconstruction (ACLR) workload monitoring and return-to-sport decision-making. In addition, their ease of use allows assessments to occur outside the clinical or laboratory settings and across a broader timeline. Purpose To (1) determine how wearable technology can assess external workload deficits between limbs (involved and uninvolved) and between groups (healthy controls vs patients with ACLR) during physical activity (PA) or sport and (2) describe the types of sensors, sensor specifications, assessment protocols, outcomes of interest, and participant characteristics from the included studies. Study Design Scoping review; Level of evidence, 4. Methods In February 2023, a systematic search was performed in the MEDLINE, EMBASE, CINAHL, SPORTDiscus, Scopus, IEEE Xplore, Compendex, and ProQuest Dissertations and Theses Global databases. Eligible studies included assessments of PA or sports workloads via wearable technology after ACLR. Results Twenty articles met eligibility criteria and were included. The primary activity assessed was activities of daily living, although rehabilitation, training, and competition were also represented. Accelerometers, global positioning system units, pedometers, and pressure sensor insoles were worn to collect external workload data, which was quantified as kinetic, kinematic, and temporospatial data. Daily steps (count) and moderate to vigorous PA (min/day or week) were the most common units of measurement. A limited number of studies included outcomes related to between-limb asymmetries. Conclusion The findings of this scoping review highlight the versatility of wearable technologies to collect patients' kinetic, kinematic, and temporospatial data and assess external workload outcomes after ACLR. In addition, some wearable technologies identified deficits in workload compared with healthy controls and between reconstructed and unaffected limbs.
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Affiliation(s)
- Eric Golberg
- Physical Therapy, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Adam Pinkoski
- Epidemiology, School of Public Health, University of Alberta, Edmonton, Alberta, Canada
| | - Lauren Beaupre
- Physical Therapy, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Hossein Rouhani
- Mechanical Engineering, Faculty of Engineering, University of Alberta, Edmonton, Alberta, Canada
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Han M, Singh M, Karimi D, Kim JY, Flannery SW, Ecklund K, Murray MM, Fleming BC, Gholipour A, Kiapour AM. LigaNET: A multi-modal deep learning approach to predict the risk of subsequent anterior cruciate ligament injury after surgery. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.07.25.23293102. [PMID: 37546855 PMCID: PMC10402234 DOI: 10.1101/2023.07.25.23293102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Anterior cruciate ligament (ACL) injuries are a common cause of soft tissue injuries in young active individuals, leading to a significant risk of premature joint degeneration. Postoperative management of such injuries, in particular returning patients to athletic activities, is a challenge with immediate and long-term implications including the risk of subsequent injury. In this study, we present LigaNET, a multi-modal deep learning pipeline that predicts the risk of subsequent ACL injury following surgical treatment. Postoperative MRIs (n=1,762) obtained longitudinally between 3 to 24 months after ACL surgery from a cohort of 159 patients along with 11 non-imaging outcomes were used to train and test: 1) a 3D CNN to predict subsequent ACL injury from segmented ACLs, 2) a 3D CNN to predict injury from the whole MRI, 3) a logistic regression classifier predict injury from non-imaging data, and 4) a multi-modal pipeline by fusing the predictions of each classifier. The CNN using the segmented ACL achieved an accuracy of 77.6% and AUROC of 0.84, which was significantly better than the CNN using the whole knee MRI (accuracy: 66.6%, AUROC: 0.70; P<.001) and the non-imaging classifier (accuracy: 70.1%, AUROC: 0.75; P=.039). The fusion of all three classifiers resulted in highest classification performance (accuracy: 80.6%, AUROC: 0.89), which was significantly better than each individual classifier (P<.001). The developed multi-modal approach had similar performance in predicting the risk of subsequent ACL injury from any of the imaging sequences (P>.10). Our results demonstrate that a deep learning approach can achieve high performance in identifying patients at high risk of subsequent ACL injury after surgery and may be used in clinical decision making to improve postoperative management (e.g., safe return to sports) of ACL injured patients.
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Affiliation(s)
- Mo Han
- Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA
| | - Mallika Singh
- Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA
| | - Davood Karimi
- Department of Radiology, Boston Children’s Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA
| | - Jin-Young Kim
- Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA
| | - Sean W. Flannery
- Department of Orthopaedics, Warren Alpert Medical School of Brown University, Rhode Island Hospital, 1 Hoppin St, Providence RI 02903, USA
| | - BEAR Trial Team
- Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA
| | - Kirsten Ecklund
- Department of Radiology, Boston Children’s Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA
| | - Martha M. Murray
- Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA
| | - Braden C. Fleming
- Department of Orthopaedics, Warren Alpert Medical School of Brown University, Rhode Island Hospital, 1 Hoppin St, Providence RI 02903, USA
| | - Ali Gholipour
- Department of Radiology, Boston Children’s Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA
| | - Ata M. Kiapour
- Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA
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Ishida T, Samukawa M, Koshino Y, Ino T, Kasahara S, Tohyama H. Interlimb Asymmetry in Knee Extension Moment During Double-Leg Squatting Is Associated With Persistent Quadriceps Weakness After ACL Reconstruction. Orthop J Sports Med 2023; 11:23259671231182105. [PMID: 37441507 PMCID: PMC10334007 DOI: 10.1177/23259671231182105] [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: 03/14/2023] [Accepted: 03/31/2023] [Indexed: 07/15/2023] Open
Abstract
Background Although double-leg squatting is less dynamic and places less demand on the quadriceps compared with landing tasks, the relationship between double-leg squatting biomechanics and persistent quadriceps weakness after anterior cruciate ligament reconstruction (ACLR) is unknown. Purpose To clarify the relationships between asymmetries in quadriceps strength and lower limb biomechanics during double-leg squatting >1 year after ACLR. Study Design Controlled laboratory study. Methods A total of 26 participants (5.5 ± 3.8 years after ACLR) were enrolled. The limb symmetry index (LSI) of isokinetic quadriceps strength was used to divide participants into the high-quadriceps (HQ) group (LSI ≥90%; n = 18) and the low-quadriceps (LQ) group (LSI <90%; n = 8). The knee, hip, and ankle extension moment (relative to body weight and support moment [sum of knee, hip, and ankle moments]) and vertical ground-reaction force during double-leg squatting were analyzed using 3-dimensional motion analysis. The association of quadriceps strength and biomechanical variables was tested using 2-way analysis of variance and univariate regression analysis. Results A significant group-by-limb interaction was found for the peak knee extension moment and the ratios of knee and hip extension moment to support moment (P < .001, P = .015 and P < .001, respectively). The LQ group showed a significantly smaller peak knee extension moment and knee to support moment ratio but a larger hip to support moment ratio in the involved limb than in the uninvolved limb (95% CIs: knee extension moment, -0.273 to -0.088 N·m/kg; knee to support moment ratio, -10.7% to -2.2%; hip to support moment ratio, 3.2% to 8.5%). No interlimb difference was found for the HQ group. The LSI of quadriceps strength was significantly associated with the LSI of peak knee extension moment (R2 = 0.183), knee to support moment ratio (R2 = 0.256), and hip to support moment ratio (R2 = 0.233). The mean maximum isokinetic quadriceps strength and peak knee extension moment during squatting on the involved limb of the LQ group were 2.40 ± 0.39 and 0.90 ± 0.16 N·m/kg, respectively. Conclusion Asymmetrical biomechanics during double-leg squatting was associated with persistent quadriceps weakness after ACLR. The LQ group had reduced knee extensor moment on the involved side during squatting despite loading at approximately half the maximum strength. Clinical Relevance Quadriceps strengthening exercises, together with interventions to improve neuromuscular control, may reduce asymmetrical biomechanics during double-leg squatting.
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Affiliation(s)
- Tomoya Ishida
- Faculty of Health Sciences, Hokkaido
University, Sapporo, Japan
| | - Mina Samukawa
- Faculty of Health Sciences, Hokkaido
University, Sapporo, Japan
| | - Yuta Koshino
- Faculty of Health Sciences, Hokkaido
University, Sapporo, Japan
| | - Takumi Ino
- Faculty of Health Sciences, Hokkaido
University of Science, Sapporo, Japan
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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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Read PJ, Davies WT, Bishop C, McAuliffe S, Wilson MG, Turner AN. Residual Deficits in Reactive Strength After Anterior Cruciate Ligament Reconstruction in Soccer Players. J Athl Train 2023; 58:423-429. [PMID: 37523420 PMCID: PMC11220905 DOI: 10.4085/0169-20] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
CONTEXT Deficits in plyometric abilities are common after anterior cruciate ligament reconstruction (ACLR). Vertical rebound tasks may provide a targeted evaluation of knee function. OBJECTIVE To examine the utility of a vertical hop test for assessing function after ACLR and establishing factors associated with performance. DESIGN Cross-sectional study. SETTING Rehabilitation program. PATIENTS OR OTHER PARTICIPANTS Soccer players with a history of ACLR (n = 73) and matched control individuals (n = 195). MAIN OUTCOME MEASURE(S) The 10-second vertical hop test provided measures of jump height, the Reactive Strength Index (RSI), and asymmetry. We also examined possible predictors of hop performance, including single-legged vertical drop jump, isokinetic knee-extension strength, and the International Knee Documentation Committee questionnaire score. RESULTS Between-limbs differences were identified only for the ACLR group, and asymmetry scores increased in those with a history of ACLR (P < .001) compared with the control group. The single-legged vertical drop jump, RSI, and knee-extension torque were significant predictors of 10-second hop height (R2 = 20.1%) and RSI (R2 = 47.1%). CONCLUSIONS Vertical hop deficits were present after ACLR, even after participants completed a comprehensive rehabilitation program. This may have been due to reduced knee-extension and reactive strength. Vertical hop tests warrant inclusion as part of the return-to-sport test battery.
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Affiliation(s)
- Paul J. Read
- Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
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Forelli F, Le Coroller N, Gaspar M, Memain G, Kakavas G, Miraglia N, Marine P, Maille P, Hewett TE, Rambaud AJ. Ecological and Specific Evidence-Based Safe Return To Play After Anterior Cruciate Ligament Reconstruction In Soccer Players: A New International Paradigm. Int J Sports Phys Ther 2023; 18:526-540. [PMID: 37020454 PMCID: PMC10069338 DOI: 10.26603/001c.73031] [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: 10/10/2022] [Accepted: 01/15/2023] [Indexed: 04/04/2023] Open
Abstract
Existing return to play (RTP) assessments have not demonstrated the ability to decrease risk of subsequent anterior cruciate ligament (ACL) injury after reconstruction (ACLR). RTP criteria are standardized and do not simulate the physical and cognitive activity required by the practice of sport. Most RTP criteria do not include an ecological approach. There are scientific algorithms as the "5 factor maximum model" that can identify risk profiles and help reduce the risk of a second anterior cruciate ligament injury. Nevertheless, these algorithms remain too standardized and do not include the situations experienced in games by soccer players. This is why it is important to integrate ecological situations specific to the environment of soccer players in order to evaluate players under conditions closest to their sporting activity, especially with high cognitive load. One should identify high risk players under two conditions: Clinical analyses commonly include assessments such as isokinetic testing, functional tests (hop tests, vertical force-velocity, profile), running, clinical assessments (range of motion and graft laxity), proprioception and balance (Star Excursion Balance Test modified, Y-Balance, stabilometry) and psychological parameters (kinesophobia, quality of life and fear of re-injury). Field testing usually includes game simulation, evaluation under dual-task conditions, fatigue and workload analysis, deceleration, timed-agility-test and horizontal force-velocity profiles. Although it seems important to evaluate strength, psychological variables and aerobic and anaerobic capacities, evaluation of neuromotor control in standard and ecological situations may be helpful for reducing the risk of injury after ACLR. This proposal for RTP testing after ACLR is supported by the scientific literature and attempts to approximate the physical and cognitive loads during a soccer match. Future scientific investigation will be required to demonstrate the validity of this approach. Level of Evidence 5.
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Mitchell A, Waite O, Holding C, Greig M. The Development of a Return to Performance Pathway Involving A Professional Soccer Player Returning From A Multi-Structural Knee Injury: A Case Report. Int J Sports Phys Ther 2023; 18:450-466. [PMID: 37020432 PMCID: PMC10069403 DOI: 10.26603/001c.73317] [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: 09/11/2022] [Accepted: 02/14/2023] [Indexed: 04/04/2023] Open
Abstract
This case report describes a male professional soccer player returning to match play (English Championship League) following a medial meniscectomy that occurred during the course of rehabilitation after Anterior Cruciate Ligament (ACL) reconstruction. The player underwent a medial meniscectomy eight months into an ACL rehabilitation program and following 10 weeks of rehabilitation successfully returned to competitive first team match play. This report outlines description of the pathology, the rehabilitation progressions, and the sports specific performance requirements of the player as they progressed through the return to performance pathway (RTP). The RTP pathway included nine distinct phases with evidenced based criteria required to exit each phase. The first five phases were indoor as the player progressed from the medial meniscectomy, through the rehabilitation pathways to the "gym exit Phase". The gym exit Phase was assessed with multiple criteria: a) capacity; b) strength; c) isokinetic dynamometry (IKD); d) hop test battery; e) force plate jumps; and f) supine isometric hamstring rate of force (RFD) development qualities to evaluate the players readiness to start sport specific rehabilitation. The last four phases of the RTP pathway are designed to regain the maximal physical capabilities (plyometric and explosive qualities) in the gym and included the retraining of on-field sport specific qualities utilizing the 'control-chaos continuum.' The player successfully returned to team play in the ninth and final phase of the RTP pathway. The purpose of this case report was to outline a RTP for a professional soccer player who successfully restored specific injury criteria (strength, capacity and movement quality), physical capabilities (plyometric and explosive qualities). and on-field sport specific criteria utilizing the 'control-chaos continuum.' Level of Evidence Level 4.
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Affiliation(s)
| | - Ollie Waite
- Medical Department Crystal Palace Football Club
| | | | - Matt Greig
- Sports Injuries Research Group Edge Hill University
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Simonson R, Piussi R, Högberg J, Senorski C, Thomeé R, Samuelsson K, Senorski EH. Effect of Quadriceps and Hamstring Strength Relative to Body Weight on Risk of a Second ACL Injury: A Cohort Study of 835 Patients Who Returned to Sport After ACL Reconstruction. Orthop J Sports Med 2023; 11:23259671231157386. [PMID: 37152619 PMCID: PMC10155024 DOI: 10.1177/23259671231157386] [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: 11/15/2022] [Accepted: 01/01/2023] [Indexed: 05/09/2023] Open
Abstract
Background Anterior cruciate ligament (ACL) injuries are common sports-related injuries with a high risk of reinjury after return to sport (RTS). Rehabilitation aims to regain symmetrical knee strength and function to minimize the risk of a second ACL injury after RTS. Purpose To determine the effect of absolute quadriceps and hamstring strength, normalized by body weight, on the risk of a second ACL injury during the first 2 years after RTS in patients who have undergone ACL reconstruction (ACLR). Study Design Cohort study; Level of evidence, 3. Methods Data from patients after index ACLR at the time of RTS were extracted from a rehabilitation registry-Project ACL. Patients who had performed isokinetic tests for quadriceps and hamstring strength and hop tests before RTS were included. The endpoint was a second ACL injury or a follow-up of 2 years after RTS after ACLR. Results A total of 835 patients (46% women), with a mean age of 23.9 ± 7.7 years, were included. During the study period, 69 (8.3%) second ACL injuries (ipsilateral and contralateral) occurred. Greater relative quadriceps strength in the injured leg increased the risk of a second ACL injury (relative risk [RR], 1.69 [95% CI, 1.05-2.74]; P = .032). In patients who had recovered symmetrical quadriceps strength (limb symmetry index ≥90%), there was no effect of quadriceps strength on the risk of second ACL injury (RR, 1.33 [95% CI, 0.69-2.56]; P = .39). Quadriceps strength on the healthy side or hamstring strength, regardless of side, had no effect on the risk of a second ACL injury. Conclusion Greater relative quadriceps strength in the injured leg at the time of RTS after ACLR was associated with an increased risk of a second ACL injury. There was no effect of relative quadriceps strength on the risk of a second ACL injury in patients who had recovered symmetrical quadriceps strength.
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Affiliation(s)
- Rebecca Simonson
- Sportrehab Sports Medicine Clinic,
Gothenburg, Sweden
- Sahlgrenska Sports Medicine Center,
Gothenburg, Sweden
- Unit of Physiotherapy, Department of
Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska
Academy, University of Gothenburg, Gothenburg, Sweden
- Rebecca Simonsson, PT, MSc,
Unit of Physiotherapy, Department of Health and Rehabilitation, Institute of
Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg,
Gothenburg, Sweden; Sportrehab, Sports Medicine Clinic, Gothenburg, Sweden,
Sahlgrenska Sports Medicine Center. Box 455, SE-405 30, Gothenburg, Sweden
() (Twitter:
@BeccaSimonson2)
| | - Ramana Piussi
- Sportrehab Sports Medicine Clinic,
Gothenburg, Sweden
- Sahlgrenska Sports Medicine Center,
Gothenburg, Sweden
- Unit of Physiotherapy, Department of
Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska
Academy, University of Gothenburg, Gothenburg, Sweden
| | - Johan Högberg
- Sportrehab Sports Medicine Clinic,
Gothenburg, Sweden
- Sahlgrenska Sports Medicine Center,
Gothenburg, Sweden
- Unit of Physiotherapy, Department of
Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska
Academy, University of Gothenburg, Gothenburg, Sweden
| | - Carl Senorski
- Sportrehab Sports Medicine Clinic,
Gothenburg, Sweden
| | - Roland Thomeé
- Sportrehab Sports Medicine Clinic,
Gothenburg, Sweden
- Unit of Physiotherapy, Department of
Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska
Academy, University of Gothenburg, Gothenburg, Sweden
| | - Kristian Samuelsson
- Sahlgrenska Sports Medicine Center,
Gothenburg, Sweden
- Department of Orthopaedics, Institute
of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg,
Sweden
- Department of Orthopaedics, Sahlgrenska
University Hospital, Gothenburg, Sweden
| | - Eric Hamrin Senorski
- Sportrehab Sports Medicine Clinic,
Gothenburg, Sweden
- Sahlgrenska Sports Medicine Center,
Gothenburg, Sweden
- Unit of Physiotherapy, Department of
Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska
Academy, University of Gothenburg, Gothenburg, Sweden
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Solie B, Monson J, Larson C. Graft-Specific Surgical and Rehabilitation Considerations for Anterior Cruciate Ligament Reconstruction with the Quadriceps Tendon Autograft. Int J Sports Phys Ther 2023; 18:493-512. [PMID: 37020435 PMCID: PMC10069402 DOI: 10.26603/001c.73797] [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: 10/18/2022] [Accepted: 01/28/2023] [Indexed: 04/03/2023] Open
Abstract
Anterior cruciate ligament reconstruction (ACLR) with a bone-patellar tendon-bone (BPTB) or hamstring tendon (HT) autograft has traditionally been the preferred surgical treatment for patients returning to Level 1 sports. More recently, international utilization of the quadriceps tendon (QT) autograft for primary and revision ACLR has increased in popularity. Recent literature suggests that ACLR with the QT may yield less donor site morbidity than the BPTB and better patient-reported outcomes than the HT. Additionally, anatomic and biomechanical studies have highlighted the robust properties of the QT itself, with superior levels of collagen density, length, size, and load-to-failure strength compared to the BPTB. Although previous literature has described rehabilitation considerations for the BPTB and HT autografts, there is less published with respect to the QT. Given the known impact of the various ACLR surgical techniques on postoperative rehabilitation, the purpose of this clinical commentary is to present the procedure-specific surgical and rehabilitation considerations for ACLR with the QT, as well as further highlight the need for procedure-specific rehabilitation strategies after ACLR by comparing the QT to the BPTB and HT autografts. Level of Evidence Level 5.
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Ebert JR, Edwards P, Annear PT. Good clinical scores, no evidence of excessive anterior tibial translation, a high return to sport rate and a low re-injury rate is observed following anterior cruciate ligament reconstruction using autologous hamstrings augmented with suture tape. Arch Orthop Trauma Surg 2023:10.1007/s00402-023-04835-9. [PMID: 36920525 PMCID: PMC10015537 DOI: 10.1007/s00402-023-04835-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 02/28/2023] [Indexed: 03/16/2023]
Abstract
INTRODUCTION Augmented anterior cruciate ligament reconstruction (ACLR) techniques have been proposed to reduce the high reported re-injury rates and low rates of return to sport (RTS). This study reports clinical outcomes, RTS and re-injury rates in patients undergoing ACLR using autologous hamstrings augmented with suture tape. MATERIALS AND METHODS A total of 53 patients were prospectively recruited, undergoing ACLR using hamstrings with suture tape augmentation, combined with a structured rehabilitation programme. Outcomes were collected to 24 months, including patient-reported outcome measures (PROMs), KT-1000 measurements, peak isokinetic knee strength and a four hop test battery. Limb Symmetry Indices (LSIs) were calculated for performance measures, whilst RTS rates, re-tears and re-operations were presented. RESULTS There were no significant side-to-side differences in anterior tibial translation between the operated and non-operated knees at 6 months (p = 0.433), with no increase (p = 0.841) in side-to-side anterior tibial translation from 6 to 24 months. At 24 months, 98.0% of patients demonstrated normal (< 3 mm) or near normal (3-5 mm) side-to-side differences. LSIs for peak knee extensor torque (p < 0.0001) and the single (p = 0.001), triple (p = 0.001) and triple crossover (p < 0.0001) hop tests for distance significantly improved. All PROMs significantly improved (p < 0.0001), with 70.2% and 85.7% of patients actively participating in pivoting sports at 12 and 24 months, respectively. Three patients underwent secondary procedures for meniscal symptoms. One patient suffered an ACL re-tear (17 months), with no further ipsilateral or contralateral injuries. CONCLUSION ACLR with suture tape augmentation demonstrated no evidence of excessive anterior tibial translation, high-scoring PROMs, sound performance scores, a high rate of RTS and low re-injury rate.
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Affiliation(s)
- Jay R Ebert
- The School of Human Sciences (Exercise and Sport Science, M408), The University of Western Australia, 35 Stirling Highway, Crawley, WA, 6009, Australia. .,HFRC Rehabilitation Clinic, 117 Stirling Highway, Nedlands, WA, 6009, Australia. .,Perth Orthopaedic & Sports Medicine Research Institute, West Perth, WA, 6005, Australia.
| | - Peter Edwards
- School of Allied Health, Curtin University, Perth, WA, Australia
| | - Peter T Annear
- Perth Orthopaedic & Sports Medicine Research Institute, West Perth, WA, 6005, Australia.,Perth Orthopaedic and Sports Medicine Centre, West Perth, WA, 6005, Australia
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Bodkin SG, Pethick JT, Dooley EA, Russell SD, Hart JM. Torque complexity of maximal knee extensor isometric contraction in individuals following anterior cruciate ligament reconstruction. Clin Biomech (Bristol, Avon) 2023; 104:105932. [PMID: 36931165 DOI: 10.1016/j.clinbiomech.2023.105932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 03/19/2023]
Abstract
BACKGROUND Current rehabilitation goals following anterior cruciate ligament reconstruction are structured around the maximal force generating capabilities of the muscle. Force fluctuations, an index of force control, have been observed to alter post- anterior cruciate ligament reconstruction. The temporal structure, or "complexity" of force fluctuations may provide important insight into the post-operative muscular recovery. The aims of this study were 1) to compare quadriceps torque complexity in anterior cruciate ligament reconstructed patients to the contralateral limb and to healthy, controls and 2) to assess the relationships between torque complexity to patient outcomes. METHODS Data from 120 anterior cruciate ligament reconstructed participants (65 Females, 21.0 ± 8.3 years, 5.96 ± 0.48-months post-surgery) and 95 healthy controls (50 Females, 21.5 ± 2.9 years) were collected. A 30-s knee extensor maximal isometric contraction was completed to calculate approximate entropy, a measure of torque complexity. FINDINGS Approximate entropy was found to decrease throughout the 30-s trial (P < .001, Cohen's d = 1.87 [1.64,2.10]). The anterior cruciate ligament reconstructed limb demonstrated greater approximate entropy compared to the contralateral limb or to healthy controls (P < .001, Cohen's d = 0.64 [0.38,0.90]). approximate entropy at the end of the trial demonstrated weak, negatively relationships with peak torque, patient reported outcome measures, and knee extensor fatigue (r = -0.21 to -0.32, P < .05). INTERPRETATION A greater torque complexity in individuals following anterior cruciate ligament reconstruction was weakly related to lower quadriceps strength, lower subjective function, and quadriceps fatigue resistance. The complexity of force fluctuations during a sustained maximal task may draw clinical insight into the recovery of motor function following anterior cruciate ligament reconstruction.
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Affiliation(s)
- S G Bodkin
- Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, UT, USA.
| | - J T Pethick
- School of Sport, Rehabilitation and Exercise Sciences, University of Essex, Colchester, Essex, UK
| | - E A Dooley
- Depatment of Biomedical Engineering, University of Virginia, Charlottesville, VA. USA
| | - S D Russell
- Depatment of Biomedical Engineering, University of Virginia, Charlottesville, VA. USA
| | - J M Hart
- Deparment of Orthopaedic Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Romanchuk NJ, Livock H, Lukas KJ, Del Bel MJ, Benoit DL, Carsen S. Criteria Used to Determine Unrestricted Return to Activity After ACL Reconstruction in Pediatric and Adolescent Patients: A Systematic Review. Orthop J Sports Med 2023; 11:23259671231154540. [PMID: 36909673 PMCID: PMC9996745 DOI: 10.1177/23259671231154540] [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: 09/22/2022] [Accepted: 10/11/2022] [Indexed: 03/14/2023] Open
Abstract
Background The rates of anterior cruciate ligament (ACL) graft failure or contralateral ACL rupture range from 17% to 30% in pediatric patients after ACL reconstruction (ACLR). A contributing factor to the high reinjury rate in this population may be the limited evidence regarding appropriate criteria for allowing unrestricted return to activity (RTA) postoperatively. Purpose To review the literature and identify the most commonly used criteria when determining unrestricted RTA after ACLR in pediatric patients. Study Design Systematic review; Level of evidence, 4. Methods A search was performed of the Medline/PubMed, Cochrane Central Register of Controlled Trials, Embase, CINAHL, and SPORTDiscus databases using the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. The authors identified studies that included pediatric patients (<19 years of age) and specified the criteria used to determine RTA after ACLR. Results A total of 27 articles met all criteria for review, of which 13 studies only used 1 criterion when determining RTA. Objective criteria were the most common type of criteria for RTA (17 studies). Strength tests (15 studies) and hop tests (10 studies) were the most commonly used tasks when deriving RTA criteria. Only 2 studies used validated questionnaires to assess the patient's physiological readiness for RTA, and only 2 studies used an objective assessment of movement quality before RTA. Conclusion Only 14 of the 27 reviewed studies reported using >1 criterion when determining RTA. Furthermore, few studies used patient-reported outcome measures or lower limb kinematics as RTA criteria, indicating that more research is needed to validate these metrics in the pediatric population.
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Affiliation(s)
- Nicholas J. Romanchuk
- Biomedical Engineering Program, Faculty of Engineering, University
of Ottawa, Ottawa, Ontario, Canada
| | - Holly Livock
- Children’s Hospital of Eastern Ontario Research Institute, Ottawa,
Ontario, Canada
| | - Kenneth J. Lukas
- Division of Orthopaedic Surgery, Faculty of Medicine, University of
Ottawa, Ottawa, Ontario, Canada
| | - Michael J. Del Bel
- School of Rehabilitation Sciences, Faculty of Health Sciences,
University of Ottawa, Ottawa, Ontario, Canada
| | - Daniel L. Benoit
- School of Rehabilitation Sciences, Faculty of Health Sciences,
University of Ottawa, Ottawa, Ontario, Canada
| | - Sasha Carsen
- Children’s Hospital of Eastern Ontario Research Institute, Ottawa,
Ontario, Canada
- Division of Orthopaedic Surgery, Faculty of Medicine, University of
Ottawa, Ottawa, Ontario, Canada
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Chaaban CR, Turner JA, Padua DA. Think outside the box: Incorporating secondary cognitive tasks into return to sport testing after ACL reconstruction. Front Sports Act Living 2023; 4:1089882. [PMID: 36873910 PMCID: PMC9975395 DOI: 10.3389/fspor.2022.1089882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 12/30/2022] [Indexed: 02/17/2023] Open
Abstract
The optimal set of return to sport (RTS) tests after anterior cruciate ligament (ACL) injury and ACL reconstruction (ACLR) remains elusive. Many athletes fail to pass current RTS test batteries, fail to RTS, or sustain secondary ACL injuries if they do RTS. The purpose of this review is to summarize current literature regarding functional RTS testing after ACLR and to encourage clinicians to have patients "think" (add a secondary cognitive task) outside the "box" (in reference to the box used during the drop vertical jump task) when performing functional RTS tests. We review important criteria for functional tests in RTS testing, including task-specificity and measurability. Firstly, tests should replicate the sport-specific demands the athlete will encounter when they RTS. Many ACL injuries occur when the athlete is performing a dual cognitive-motor task (e.g., attending to an opponent while performing a cutting maneuver). However, most functional RTS tests do not incorporate a secondary cognitive load. Secondly, tests should be measurable, both through the athlete's ability to complete the task safely (through biomechanical analyses) and efficiently (through measures of performance). We highlight and critically examine three examples of functional tests that are commonly used for RTS testing: the drop vertical jump, single-leg hop tests, and cutting tasks. We discuss how biomechanics and performance can be measured during these tasks, including the relationship these variables may have with injury. We then discuss how cognitive demands can be added to these tasks, and how these demands influence both biomechanics and performance. Lastly, we provide clinicians with practical recommendations on how to implement secondary cognitive tasks into functional testing and how to assess athletes' biomechanics and performance.
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Affiliation(s)
- Courtney R. Chaaban
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
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Protocol for a Randomized Crossover Trial to Evaluate the Effect of Soft Brace and Rigid Orthosis on Performance and Readiness to Return to Sport Six Months Post-ACL-Reconstruction. Healthcare (Basel) 2023; 11:healthcare11040513. [PMID: 36833047 PMCID: PMC9957425 DOI: 10.3390/healthcare11040513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 02/12/2023] Open
Abstract
A randomized crossover trial was designed to investigate the influence of muscle activation and strength on functional stability/control of the knee joint, to determine whether bilateral imbalances still occur six months after successful anterior cruciate ligament reconstruction (ACLR), and to analyze whether the use of orthotic devices changes the activity onset of these muscles. Furthermore, conclusions on the feedforward and feedback mechanisms are highlighted. Therefore, twenty-eight patients will take part in a modified Back in Action (BIA) test battery at an average of six months after a primary unilateral ACLR, which used an autologous ipsilateral semitendinosus tendon graft. This includes double-leg and single-leg stability tests, double-leg and single-leg countermovement jumps, double-leg and single-leg drop jumps, a speedy jump test, and a quick feet test. During the tests, gluteus medius and semitendinosus muscle activity are analyzed using surface electromyography (sEMG). Motion analysis is conducted using Microsoft Azure DK and 3D force plates. The tests are performed while wearing knee rigid orthosis, soft brace, and with no aid, in random order. Additionally, the range of hip and knee motion and hip abductor muscle strength under isometric conditions are measured. Furthermore, patient-rated outcomes will be assessed.
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Kotsifaki R, Korakakis V, King E, Barbosa O, Maree D, Pantouveris M, Bjerregaard A, Luomajoki J, Wilhelmsen J, Whiteley R. Aspetar clinical practice guideline on rehabilitation after anterior cruciate ligament reconstruction. Br J Sports Med 2023; 57:500-514. [PMID: 36731908 DOI: 10.1136/bjsports-2022-106158] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/10/2023] [Indexed: 02/04/2023]
Abstract
This guideline was developed to inform clinical practice on rehabilitation after anterior cruciate ligament reconstruction (ACLR) and was performed in accordance with the Appraisal of Guidelines for REsearch & Evaluation II (AGREE II) instrument and used the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) approach. A Guideline Development Group systematically searched and reviewed evidence using randomised clinical trials and systematic reviews to evaluate the effectiveness of rehabilitation interventions and guide clinicians and patients on the content of the optimal rehabilitation protocol after ACLR.The guideline targets patients during rehabilitation after ACLR and investigates the effectiveness of the available interventions to the physiotherapist, alone or in combination (eg, exercise, modalities, objective progression criteria). Exercise interventions should be considered the mainstay of ACLR rehabilitation. However, there is little evidence on the dose-response relationship between volume and/or intensity of exercise and outcomes. Physical therapy modalities can be helpful as an adjunct in the early phase of rehabilitation when pain, swelling and limitations in range of motion are present. Adding modalities in the early phase may allow earlier pain-free commencement of exercise rehabilitation. Return to running and return to training/activity are key milestones for rehabilitation after ACLR. However, there is no evidence on which progression or discharge criteria should be used.While there is a very low level of certainty for most components of rehabilitation, most of the recommendations provided in this guideline were agreed to by expert clinicians. This guideline also highlights several new elements of ACLR management not reported previously.
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Affiliation(s)
- Roula Kotsifaki
- Rehabilitation Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Vasileios Korakakis
- Rehabilitation Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Enda King
- Rehabilitation Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Olivia Barbosa
- Rehabilitation Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Dustin Maree
- Rehabilitation Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Michail Pantouveris
- Rehabilitation Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Andreas Bjerregaard
- Rehabilitation Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Julius Luomajoki
- Rehabilitation Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Jan Wilhelmsen
- Rehabilitation Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | - Rodney Whiteley
- Rehabilitation Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
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Barnes DA, Flannery SW, Badger GJ, Yen YM, Micheli LJ, Kramer DE, Fadale PD, Hulstyn MJ, Owens BD, Murray MM, Fleming BC, Kiapour AM. Quantitative MRI Biomarkers to Predict Risk of Reinjury Within 2 Years After Bridge-Enhanced ACL Restoration. Am J Sports Med 2023; 51:413-421. [PMID: 36645042 PMCID: PMC9905304 DOI: 10.1177/03635465221142323] [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] [Indexed: 01/17/2023]
Abstract
BACKGROUND Quantitative magnetic resonance imaging (qMRI) methods were developed to establish the integrity of healing anterior cruciate ligaments (ACLs) and grafts. Whether qMRI variables predict risk of reinjury is unknown. PURPOSE To determine if qMRI measures at 6 to 9 months after bridge-enhanced ACL restoration (BEAR) can predict the risk of revision surgery within 2 years of the index procedure. STUDY DESIGN Cohort study; Level of evidence, 2. METHODS Originally, 124 patients underwent ACL restoration as part of the BEAR I, BEAR II, and BEAR III prospective trials and had consented to undergo an MRI of the surgical knee 6 to 9 months after surgery. Only 1 participant was lost to follow-up, and 4 did not undergo MRI, leaving a total of 119 patients for this study. qMRI techniques were used to determine the mean cross-sectional area; normalized signal intensity; and a qMRI-based predicted failure load, which was calculated using a prespecified equation based on cross-sectional area and normalized signal intensity. Patient-reported outcomes (International Knee Documentation Committee subjective score), clinical measures (hamstring strength, quadriceps strength, and side-to-side knee laxity), and functional outcomes (single-leg hop) were also measured at 6 to 9 months after surgery. Univariate and multivariable analyses were performed to determine the odds ratios (ORs) for revision surgery based on the qMRI and non-imaging variables. Patient age and medial posterior tibial slope values were included as covariates. RESULTS In total, 119 patients (97%), with a median age of 17.6 years, underwent MRI between 6 and 9 months postoperatively. Sixteen of 119 patients (13%) required revision ACL surgery. In univariate analyses, higher International Knee Documentation Committee subjective score at 6 to 9 months postoperatively (OR = 1.66 per 10-point increase; P = .035) and lower qMRI-based predicted failure load (OR = 0.66 per 100-N increase; P = .014) were associated with increased risk of revision surgery. In the multivariable model, when adjusted for age and posterior tibial slope, the qMRI-based predicted failure load was the only significant predictor of revision surgery (OR = 0.71 per 100 N; P = .044). CONCLUSION Quantitative MRI-based predicted failure load of the healing ACL was a significant predictor of the risk of revision within 2 years after BEAR surgery. The current findings highlight the potential utility of early qMRI in the postoperative management of patients undergoing the BEAR procedure.
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Affiliation(s)
- Dominique A. Barnes
- Department of Orthopaedics, Warren Alpert Medical School of
Brown University/Rhode Island Hospital, Providence, RI, USA
| | - Sean W. Flannery
- Department of Orthopaedics, Warren Alpert Medical School of
Brown University/Rhode Island Hospital, Providence, RI, USA
| | - Gary J. Badger
- Department of Medical Biostatistics, Larner College of
Medicine, University of Vermont, Burlington, VT, USA
| | - Yi-Meng Yen
- Department of Orthopaedic Surgery, Boston Children’s
Hospital, Harvard Medical School, Boston, MA, USA
| | - Lyle J. Micheli
- Department of Orthopaedic Surgery, Boston Children’s
Hospital, Harvard Medical School, Boston, MA, USA
| | - Dennis E. Kramer
- Department of Orthopaedic Surgery, Boston Children’s
Hospital, Harvard Medical School, Boston, MA, USA
| | - Paul D. Fadale
- Department of Orthopaedics, Warren Alpert Medical School of
Brown University/Rhode Island Hospital, Providence, RI, USA
| | - Michael J. Hulstyn
- Department of Orthopaedics, Warren Alpert Medical School of
Brown University/Rhode Island Hospital, Providence, RI, USA
| | - Brett D. Owens
- Department of Orthopaedics, Warren Alpert Medical School of
Brown University/Rhode Island Hospital, Providence, RI, USA
| | - Martha M. Murray
- Department of Orthopaedic Surgery, Boston Children’s
Hospital, Harvard Medical School, Boston, MA, USA
| | - Braden C. Fleming
- Department of Orthopaedics, Warren Alpert Medical School of
Brown University/Rhode Island Hospital, Providence, RI, USA
| | - Ata M. Kiapour
- Department of Orthopaedic Surgery, Boston Children’s
Hospital, Harvard Medical School, Boston, MA, USA
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Pelvic Rotation Is Associated With Asymmetry in the Knee Extensor Moment During Double-Leg Squatting After Anterior Cruciate Ligament Reconstruction. J Appl Biomech 2023; 39:62-68. [PMID: 36649718 DOI: 10.1123/jab.2022-0204] [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: 08/15/2022] [Revised: 11/29/2022] [Accepted: 12/09/2022] [Indexed: 01/19/2023]
Abstract
Asymmetry in knee extensor moment during double-leg squatting was observed after anterior cruciate ligament reconstruction, even after the completion of the rehabilitation program for return to sports. The purpose of this study was to clarify the association between asymmetry in the knee extensor moment and pelvic rotation angle during double-leg squatting after anterior cruciate ligament reconstruction. Twenty-four participants performed double-leg squatting. Kinetics and kinematics during squatting were analyzed using a 3-dimensional motion analysis system with 2 force plates. The limb symmetry index of knee extensor moment was predicted by the pelvic rotation angle (R2 = .376, P = .001). In addition, the pelvic rotation and the limb symmetry index of the vertical ground reaction force independently explained the limb symmetry index of the knee extensor moment (R2 = .635, P < .001, β of pelvic rotation = -0.489, β of vertical ground reaction force = 0.524). Pelvic rotation toward the involved limb was associated with a smaller knee extensor moment in the involved limb than in the uninvolved limb. The assessment of pelvic rotation would be useful for partially predicting asymmetry in the knee extensor moment during double-leg squatting. Minimizing pelvic rotation may improve the asymmetry in the knee extensor moment during double-leg squatting after anterior cruciate ligament reconstruction.
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Almuhaya A, Albarrati A, Alhowimel A, Alodaibi F. Adding A Structured Educational Session to the Rehabilitation Program of Soccer Players Following Anterior Cruciate Ligament Reconstruction: A Feasibility Study. Int J Sports Phys Ther 2023; 18:81-91. [PMID: 36793576 PMCID: PMC9897017 DOI: 10.26603/001c.68141] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 11/30/2022] [Indexed: 02/05/2023] Open
Abstract
Background While a lack of psychological preparedness and fear of movement may be linked with the anterior cruciate ligament (ACL) re-injury, these variables are rarely addressed throughout the therapy stages via educational sessions. Unfortunately, in terms of reducing fear, increasing function, and returning to play, no research has been done yet on the efficacy of adding organized educational sessions to the rehabilitation programs of soccer players post-ACL reconstruction (ACLR). Therefore, the study's aim was to assess the feasibility and acceptability of adding organized educational sessions to the rehabilitation programs post-ACLR. Methods A feasibility randomized controlled trial (RCT) was conducted in a specialized sports rehabilitation center. Participants post ACL reconstruction were randomized to either usual care with a structured educational session (intervention group) or usual care alone (control group). This feasibility study investigated three aspects: recruitment, intervention acceptability and randomization, and retention. The outcome measures included Tampa Scale of Kinesiophobia, ACL-Return to Sport after Injury, and International Knee Documentation Committee for knee function. Measurements were done at baseline and one week after the intervention. Results All of the 36 players who were undergoing rehabilitation post-ACLR at the center at the time of the study were invited to participate in the study. Thirty-five players (97.2%) agreed to participate in the study. The participants responded to some questions about the acceptability of the intervention and randomization and most of them thought they were appropriate. 30 (85.7%) participants completed the follow-up questionnaires one week after the randomization. Conclusion This feasibility research found that adding a structured educational session to the rehabilitation program for soccer players after ACLR is feasible and acceptable. Full-scale RCTs with longer follow-ups and multiple locations are recommended.
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Affiliation(s)
- Abdullah Almuhaya
- College of Applied Medical Sciences Rehabilitation Health Sciences, King Saud University
| | - Ali Albarrati
- College of Applied Medical Sciences Rehabilitation Health Sciences, King Saud University
| | - Ahmed Alhowimel
- Department of Health and Rehabilitation Science Sattam Bin Abdulaziz University
| | - Faris Alodaibi
- College of Applied Medical Sciences Rehabilitation Health Sciences, King Saud University
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Composite Score of Readiness (CSR) as a Data Reduction Technique for Monitoring the RTS Process in Footballers following ACL Reconstruction. Symmetry (Basel) 2023. [DOI: 10.3390/sym15020298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
In recent years, many studies on the safe return to sport (RTS) have been published, but there are still no clear and validated guidelines. After ACL reconstruction between limbs, asymmetry of muscle strength affects knee mechanics during walking and running, and asymmetrical joint kinematics and kinetics are considered as a strong risk factor of musculoskeletal injury. Therefore, proper diagnosis of any motor deficits remaining after ACL reconstruction seems particularly important. The aim of this study was to analyze how many tests should be included in the RTS test battery and which of them are most indicative for functional deficits related to anterior cruciate ligament (ACL) reconstruction. Sixty-five male football players (age 18–25 years) were divided into three groups: ACL group—after ACL rupture and reconstruction, mild injury group—post mild lower limb injuries, and the control group—without injuries. They performed five tests: Functional Movement Screen, Tuck Jump Assessment, Y-balance Test, Hop Test for Distance, and Isokinetic Test. The Composite Score of Readiness (CSR) index was calculated and expressed as the sum of z-scores. The multiple regression model for all tests was calculated, and then redundant variables were excluded. We observed that all tests significantly influenced the final CSR index. The Y-balance Test, Tuck Jump Assessment, and Isokinetic Test for knee flexion influenced the final CSR index the most, which means that these tests are greatly indicative of functional deficits related to ACL reconstruction. The strength of the extensor (quadriceps) muscle and the quadriceps/hamstring ratio appeared to be non-sensitive for testing functional deficits related to ACL reconstruction. If the test battery includes 4–5 tests, it better differentiates the athletes following ACL reconstruction from those after mild injuries, even if they all were cleared to play.
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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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