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Yoshii R, Konishi Y, Ochiai S, Hagino T, Takeshita D, Yamagata Z. Abnormality in re-programing of preparatory muscle activity for landing following unpredictable events in patients with anterior cruciate ligament injury. Knee 2024; 49:8-16. [PMID: 38824769 DOI: 10.1016/j.knee.2024.05.004] [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: 10/15/2023] [Revised: 03/17/2024] [Accepted: 05/09/2024] [Indexed: 06/04/2024]
Abstract
BACKGROUND Anterior cruciate ligament deficiency (ACL-D) causes dysfunction in the quadriceps femoris muscle, and this dysfunction hampers a safe return to sports. However, how the dysfunctional quadriceps femoris muscle affects instantaneous re-programming of motor command in response to unpredictable events remains unknown. This study aimed to examine the effects of ACL-D on re-programming of preparatory muscle activity during an unpredictable landing task. METHODS Eighteen patients with ACL-D and 20 healthy participants (controls) performed normal landing and surprise landing tasks. In the surprise landing task, a false floor, designed to dislodge easily under load, was positioned in the middle of the descent path. This setup causes participants to unpredictably fall through the false floor onto the actual landing surface. Electromyography data collected during the period after passing through the false floor until landing was segmented into two equal halves. The average electromyography amplitude for each muscle in each period was compared between patients and controls. RESULTS In the vastus medialis and rectus femoris during the surprise landing task, the average electromyography amplitude during only the second half period in patients with ACL-D was significantly smaller than that in controls (p = 0.011 and 0.004, respectively). CONCLUSIONS Abnormalities were detected in the re-programming of preparatory muscle activation during an unpredictable landing task in the vastus medialis and rectus femoris of patients with ACL-D. The surprise landing task used in the present study has the potential to become a diagnostic tool to evaluate readiness for safely returning to sports.
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Affiliation(s)
- Ryo Yoshii
- Department of Rehabilitation, National Hospital Organization, Kofu National Hospital, 11-35 Tenjincho, Kofu City, Yamanashi 400-8533, Japan; Department of Health Sciences, Division of Medicine, Interdisciplinary Graduate School, University of Yamanashi, 1110 Shimokato, Chuo City, Yamanashi 409-3898, Japan
| | - Yu Konishi
- Department of Physical Education, National Defense Academy of Japan, 1-10-20 Hashirimizu, Yokosuka City, Kanagawa 239-8686, Japan
| | - Satoshi Ochiai
- The Sports Medicine and Knee Center, National Hospital Organization, Kofu National Hospital, 11-35 Tenjincho, Kofu City, Yamanashi 400-8533, Japan
| | - Tetsuo Hagino
- The Sports Medicine and Knee Center, National Hospital Organization, Kofu National Hospital, 11-35 Tenjincho, Kofu City, Yamanashi 400-8533, Japan
| | - Daisuke Takeshita
- Department of Life Sciences, Graduate School of Arts and Sciences, University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan.
| | - Zentaro Yamagata
- Department of Health Sciences, Division of Medicine, Interdisciplinary Graduate School, University of Yamanashi, 1110 Shimokato, Chuo City, Yamanashi 409-3898, Japan
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Paredes R, Crasto C, Mesquita Montes A, Arias-Buría JL. Changes in co-contraction magnitude during functional tasks following anterior cruciate ligament reconstruction: A systematic review. Knee 2024; 48:243-256. [PMID: 38781829 DOI: 10.1016/j.knee.2024.05.005] [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: 10/10/2023] [Revised: 03/24/2024] [Accepted: 05/09/2024] [Indexed: 05/25/2024]
Abstract
BACKGROUND Anterior cruciate ligament reconstruction (ACLR) is a common orthopedic surgery procedure whose incidence has increased over the past few decades. Nevertheless, it is believed that neuromuscular control remains altered from the early stages after ACLR to later years. Therefore, the aim of this study was to systematically evaluate the magnitude of co-contraction during functional tasks in subjects with unilateral ACLR. METHODS A systematic review design was followed. The search strategy was conducted in PubMed, Scopus, EBSCO, PEDro, Cochrane Library, and Web of Science databases from inception to March 2024. The inclusion criteria involved studies using electromyography (EMG) data to calculate muscle pair activation via the co-contraction index (CCI) in ACLR individuals during functional tasks. The Preferred Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed, and study quality was evaluated using National Institutes of Health (NIH) Study Quality Assessment Tools. RESULTS The search strategy found a total of 792 studies, of which 15 were included in this systematic review after reviewing the eligibility criteria. The magnitude of co-contraction was assessed in a total of 433 ACLR individuals and 206 controls during functional tasks such as hop, drop-land, step-up/step-down, and gait. Overall, approximately 79.6% of individuals who had undergone ACLR exhibited increased levels of co-contraction magnitude in the ACLR limb, while 8.5% showed low co-contraction levels. CONCLUSIONS The findings of the review suggest that, during functional tasks, most individuals who have undergone ACLR exhibit changes of co-contraction magnitude in the involved limb.
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Affiliation(s)
- Ricardo Paredes
- Escuela Internacional de Doctorado, Universidad Rey Juan Carlos, Alcorcón, Spain; Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, Alcorcón, Spain.
| | - Carlos Crasto
- Escola Superior de Saúde de Santa Maria, Oporto, Portugal; Escola Superior de Saúde do Politécnico do Porto, Oporto, Portugal
| | - António Mesquita Montes
- Escola Superior de Saúde de Santa Maria, Oporto, Portugal; Escola Superior de Saúde do Politécnico do Porto, Oporto, Portugal
| | - José L Arias-Buría
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, Alcorcón, Spain
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Feria-Madueño A, Hewett TE, Sánchez-Arteaga A, Sañudo B. Neuromuscular Response during Different Side-Cutting Maneuvers and Its Influence on the Risk of Knee Injuries. Sports (Basel) 2023; 11:190. [PMID: 37888517 PMCID: PMC10611348 DOI: 10.3390/sports11100190] [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: 08/06/2023] [Revised: 09/15/2023] [Accepted: 09/19/2023] [Indexed: 10/28/2023] Open
Abstract
BACKGROUND The objective of this study was to investigate the impact of a customized exercise program on electromyographic (EMG) variables during side-cutting maneuvers. METHODS Fifty-seven physically active volunteers were recruited and randomized into two groups: a control group (CG) and an experimental group (EG). The CG maintained their regular physical activity, while the EG followed an individualized, integrated exercise regimen that included strength, neuromuscular, proprioceptive, eccentric training, and whole-body vibration (WBV) exercises, lasting for 12 weeks. EMG-Root Means Square (RMS) values for the quadriceps (Q) and hamstrings (H) were measured immediately following initial foot contact at 50, 100, 150, and 200 milliseconds. Changes in EMG activity were evaluated before and after a twelve-week intervention, and the effect size (ES, 90% confidence limit [90%CL]) was calculated. RESULTS The results showed that the EG participants exhibited enhanced co-contraction as measured by the hamstring/quadriceps ratio (H/Q ratio) during both open and cross-cutting side maneuvers after the twelve-week intervention. CONCLUSION Furthermore, the customized, integrated exercise program that combined strength, neuromuscular, proprioceptive, eccentric training, and WBV exercises were could potentially serve as a beneficial neuromuscular and biomechanical strategy for addressing knee injury risk in non-professional, physically active populations at high risk for such injuries.
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Affiliation(s)
- Adrián Feria-Madueño
- Department of Physical Education and Sport, University of Seville. Pirotecnia Street, 41013 Seville, Spain;
| | - Timothy E. Hewett
- Biomechanics Laboratories and Sports Medicine Research, Department of Orthopedics, Marshall University, Huntington, WV 25755, USA;
- Hewett Global Consulting, Newport, KY 25701, USA
| | | | - Borja Sañudo
- Department of Physical Education and Sport, University of Seville. Pirotecnia Street, 41013 Seville, Spain;
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Wang W, Li X, Shi R, Wang C, Zhang K, Ren X, Wei H. Abnormal balance control mechanisms during dynamic reaching forward and quiet standing in patients with anterior cruciate ligament reconstruction. Front Physiol 2023; 14:1176222. [PMID: 37520821 PMCID: PMC10375014 DOI: 10.3389/fphys.2023.1176222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 07/05/2023] [Indexed: 08/01/2023] Open
Abstract
Purpose: Postural instability and decreased balance control ability have been observed in patients after anterior cruciate ligament (ACL) reconstruction. Herein, we examined the abnormal balance control mechanisms of these patients during dynamic reaching forward and quiet standing, providing a quantitative index for rehabilitation assessment. Methods: We enrolled ACL reconstruction patients 6-8 months after surgery, and 14 gender- and age-matched healthy volunteers. The IKDC and Lysholm were applied in each patient after ACL reconstruction. All participants conducted the quiet standing and reaching forward (RF) tests at the specified locations on force plates. The ground reaction force, center of pressure (COP), and kinematics signals were recorded. The maximal reach distance (MRD), speed of RF, length of COP, peak speed of COP in anterior-posterior direction (AP-COP), and weight bearing ratio (WBR) of the affected limb were calculated in the RF test. The COP speed, COP amplitude, frequency components of COP and WBR were extracted during quiet standing. Results: We observed that the speed of RF in the patients after ACL reconstruction was significantly lower than that of controls (p < 0.05). The COP length during RF was positively correlated with the Lysholm scale in the affected limb of patients (r = 0.604, p < 0.05). The peak of AP-COP speed during RF in the affected limb of patients was significantly lower than that of the healthy controls (p < 0.05), and positively correlated with the IKDC scale (r = 0.651, p < 0.05). WBR on the affected limb of patients during RF were significantly lower than that of controls (p < 0.05). The mean (r = -0.633, p < 0.05) and peak (r = -0.643, p < 0.05) speeds of COP during quiet standing were negatively correlated with the IKDC scale value. The amplitude of AP-COP on the contralateral side of patients was significantly higher than that of controls during quiet standing (p < 0.05). Conclusion: Patients after ACL reconstruction performed decreased postural control capacity, especially in dynamic balance, and were accompanied by deficiencies in proprioception. The COP length, peak speed of COP during RF and COP speed during quiet standing could be considered as quantitative index of balance function assessment after ACL reconstruction.
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Affiliation(s)
- Wei Wang
- Department of Physical Medicine and Rehabilitation, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Xudong Li
- Department of Physical Medicine and Rehabilitation, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Runxiu Shi
- Department of Physical Medicine and Rehabilitation, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Cheng Wang
- Department of Orthopedics, Qilu Hospital, Shandong University, Jinan, Shandong, China
| | - Ke Zhang
- Department of Physical Medicine and Rehabilitation, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Xiaomin Ren
- Department of Physical Medicine and Rehabilitation, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Hui Wei
- Department of Physical Medicine and Rehabilitation, Qilu Hospital of Shandong University, Jinan, Shandong, China
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Georgoulis JD, Melissaridou D, Patras K, Megaloikonomos PD, Trikoupis I, Savvidou OD, Papagelopoulos PJ. Neuromuscular activity of the lower-extremities during running, landing and changing-of-direction movements in individuals with anterior cruciate ligament reconstruction: a review of electromyographic studies. J Exp Orthop 2023; 10:43. [PMID: 37058177 PMCID: PMC10105000 DOI: 10.1186/s40634-023-00603-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 03/30/2023] [Indexed: 04/15/2023] Open
Abstract
PURPOSE Running, jumping/landing and cutting/change of direction (CoD) are critical components of return to sport (RTS) following anterior cruciate ligament reconstruction (ACLR), however the electromyographic (EMG) activity patterns of the operated leg during the execution of these tasks are not clear. METHODS A systematic review was conducted to retrieve EMG studies during running, jumping/landing and cutting/(CoD) in ACLR patients. MEDLINE, PubMed, SPORTDiscus and Web of Science databases were searched from 2000 to May, 2022 using a combination of keywords and their variations: "anterior cruciate ligament reconstruction" OR "ACLR", "electromyography" OR "EMG", "running", "jumping" OR "landing", "cutting" OR "change-of-direction" OR "CoD". The search identified studies comparing EMG data during running, landing and cutting/(CoD) between the involved limb and contralateral or control limbs. Risk of bias was assessed and quantitative analyses using effect sizes were performed. RESULTS Thirty two studies met the inclusion criteria. Seventy five percent (24/32) of the studies reported altered EMG activity pattern of the ACLR leg during running, jumping/landing and cutting/(CoD) when compared with either the healthy control leg or the contra-lateral leg. Twelve studies showed decreased, delayed or earlier onset and delayed peak in quadriceps EMG activity with small to large effect sizes and 9 studies showed increased, delayed or earlier onset and delayed peak in hamstrings EMG activity with small to large effect sizes. Four studies showed a "hamstrings-dominant" strategy i.e. decreased quadriceps coupled with increased hamstrings EMG activity in both running and jumping/landing irrespective of graft type. One study reported that on the grounds of decreased quadriceps activity, lower hamstrings EMG activity was predictive of ipsilateral re-injury in ACLR patients. CONCLUSION This systematic review of Level III evidence showed that the ACLR leg displays decreased quadriceps or increased hamstrings EMG activity or both despite RTS. Simultaneous decreased quadriceps and increased hamstrings EMG activity was shown for both running and jumping/landing. From a clinical perspective this "hamstrings dominant" strategy can serve as a protective mechanism against graft re-injury. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Jim D Georgoulis
- First Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, Athens, Greece.
- Orthopaedic Sports Medicine Center of Ioannina, University of Ioannina, Ioannina, Greece.
| | - Dimitra Melissaridou
- First Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, Athens, Greece
| | - Kostas Patras
- Orthopaedic Sports Medicine Center of Ioannina, University of Ioannina, Ioannina, Greece
| | | | - Ioannis Trikoupis
- First Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, Athens, Greece
| | - Olga D Savvidou
- First Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, Athens, Greece
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Berg B, Urhausen AP, Øiestad BE, Whittaker JL, Culvenor AG, Roos EM, Crossley KM, Juhl CB, Risberg MA. What tests should be used to assess functional performance in youth and young adults following anterior cruciate ligament or meniscal injury? A systematic review of measurement properties for the OPTIKNEE consensus. Br J Sports Med 2022; 56:1454-1464. [PMID: 35697502 DOI: 10.1136/bjsports-2022-105510] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2022] [Indexed: 12/25/2022]
Abstract
OBJECTIVES To critically appraise and summarise measurement properties of functional performance tests in individuals following anterior cruciate ligament (ACL) or meniscal injury. DESIGN Systematic review. DATA SOURCES Systematic searches were performed in Medline (Ovid), Embase (Ovid), CINAHL (EBSCO) and SPORTSDiscus (EBSCO) on 7 July 2021. ELIGIBILITY CRITERIA FOR SELECTING STUDIES Studies evaluating at least one measurement property of a functional performance test including individuals following an ACL tear or meniscal injury with a mean injury age of ≤30 years. The COnsensus-based Standards for the selection of health Measurement INstruments Risk of Bias checklist was used to assess methodological quality. A modified Grading of Recommendations Assessment, Development and Evaluation assessed evidence quality. RESULTS Thirty studies evaluating 26 functional performance tests following ACL injury were included. No studies were found in individuals with an isolated meniscal injury. Included studies evaluated reliability (n=5), measurement error (n=3), construct validity (n=26), structural validity (n=1) and responsiveness (n=1). The Single Leg Hop and Crossover Hop tests showed sufficient intrarater reliability (high and moderate quality evidence, respectively), construct validity (low-quality and moderate-quality evidence, respectively) and responsiveness (low-quality evidence). CONCLUSION Frequently used functional performance tests for individuals with ACL or meniscal injury lack evidence supporting their measurement properties. The Single Leg Hop and Crossover Hop are currently the most promising tests following ACL injury. High-quality studies are required to facilitate stronger recommendations of performance-based outcomes following ACL or meniscal injury.
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Affiliation(s)
- Bjørnar Berg
- Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway
- Centre for Intelligent Musculoskeletal Health, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
| | - Anouk P Urhausen
- Department of Sports Medicine, Norwegian School of Sport Sciences, Oslo, Norway
| | | | - Jackie L Whittaker
- Department of Physical Therapy, Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
- Arthritis Research Centre, Vancouver, Vancouver, Canada
| | - Adam G Culvenor
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University School of Allied Health Human Services and Sport, Bundoora, Victoria, Australia
| | - Ewa M Roos
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| | - Kay M Crossley
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University School of Allied Health Human Services and Sport, Bundoora, Victoria, Australia
| | - Carsten B Juhl
- Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
- Department of Physiotherapy and Occupational Therapy, Copenhagen University Hospital, Herlev and Gentofte, Kobenhavn, Denmark
| | - May Arna Risberg
- Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway
- Department of Sports Medicine, Norwegian School of Sport Sciences, Oslo, Norway
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Ma W, Pan CY, Diehl LH, Wittstein JR, Riboh JC, Toth AP, Amendola A, Faherty MS, Killelea C, Le DT, Sell TC. Altered lower extremity biomechanics following anterior cruciate ligament reconstruction during single-leg and double-leg stop-jump tasks: A bilateral total support moment analysis. Clin Biomech (Bristol, Avon) 2022; 91:105533. [PMID: 34847471 DOI: 10.1016/j.clinbiomech.2021.105533] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 11/09/2021] [Accepted: 11/16/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Injury to the anterior cruciate ligament (ACL) can lead to long-lasting biomechanical alterations that put individuals at risk of a second ACL injury. Examining the total support moment may reveal between- and within-limb compensatory strategies. METHODS Twenty-six participants who were cleared to return to sport following ACL reconstruction were recruited. Each participant completed the single-leg and double-leg stop jump tasks. These tasks were analyzed using force plates and a 3D motion analysis system. The total support moment was calculated by summing the internal moments of the hip, knee and ankle at peak vertical ground reaction force. FINDINGS Internal knee extensor moment was lower in the involved limb compared to the uninvolved for both tasks (17.6%, P = 0.022; 18.4%, P = 0.008). No significant between-limb differences were found for the total support moment. The involved limb exhibited an 18.2% decrease in knee joint contribution (P = 0.01) and a 21.6% increase in ankle joint contribution (P = 0.016) to the total support moment compared to the uninvolved limb in the single-leg stop jump task. INTERPRETATION Compensation for the involved knee is likely due to altered biomechanics that redistributes load to the uninvolved knee or to adjacent joints of the same limb. A partial shift in joint contribution from the knee to the ankle during the single-leg stop jump task demonstrates a tendency to decrease load to the knee. Further studies are needed to investigate how these adaptations impact the prevalence of subsequent injury and poor joint health.
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Affiliation(s)
- Willa Ma
- Division of Biokinesiology and Physical Therapy, University of Southern California, 1540 Alcazar Street, Los Angeles, CA 90089, United States; Michael W. Kryzyzewski Human Performance Laboratory, Department of Orthopaedic Surgery, Duke University, 3475 Erwin Road, Durham, NC 27705, United States.
| | - Cindy Y Pan
- Michael W. Kryzyzewski Human Performance Laboratory, Department of Orthopaedic Surgery, Duke University, 3475 Erwin Road, Durham, NC 27705, United States
| | - Lee H Diehl
- Department of Orthopaedic Surgery, Duke University, 3475 Erwin Road, Durham, NC 27705, United States
| | - Jocelyn R Wittstein
- Department of Orthopaedic Surgery, Duke University, 3475 Erwin Road, Durham, NC 27705, United States
| | - Jonathan C Riboh
- Department of Orthopaedic Surgery, Duke University, 3475 Erwin Road, Durham, NC 27705, United States
| | - Alison P Toth
- Department of Orthopaedic Surgery, Duke University, 3475 Erwin Road, Durham, NC 27705, United States
| | - Annunziato Amendola
- Department of Orthopaedic Surgery, Duke University, 3475 Erwin Road, Durham, NC 27705, United States
| | - Mallory S Faherty
- Michael W. Kryzyzewski Human Performance Laboratory, Department of Orthopaedic Surgery, Duke University, 3475 Erwin Road, Durham, NC 27705, United States
| | - Carolyn Killelea
- Department of Orthopaedic Surgery, Duke University, 3475 Erwin Road, Durham, NC 27705, United States
| | - Daniel T Le
- Michael W. Kryzyzewski Human Performance Laboratory, Department of Orthopaedic Surgery, Duke University, 3475 Erwin Road, Durham, NC 27705, United States
| | - Timothy C Sell
- Atrium Health Musculoskeletal Institute, 2001 Vail Ave, Charlotte, NC 28207, United States
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Blasimann A, Koenig I, Baert I, Baur H, Vissers D. Which assessments are used to analyze neuromuscular control by electromyography after an anterior cruciate ligament injury to determine readiness to return to sports? A systematic review. BMC Sports Sci Med Rehabil 2021; 13:142. [PMID: 34749813 PMCID: PMC8577028 DOI: 10.1186/s13102-021-00370-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 10/26/2021] [Indexed: 11/10/2022]
Abstract
BACKGROUND Adequate neuromuscular control of the knee could be one element to prevent secondary injuries after an anterior cruciate ligament (ACL) injury. To assess neuromuscular control in terms of time, amplitude and activity, electromyography (EMG) is used. However, it is unclear which assessments using EMG could be used for a safe return to sports (RTS). Therefore, we aimed to summarize EMG-related assessments for neuromuscular control of the knee in adult patients after an ACL injury to decide upon readiness for RTS. METHODS This systematic review followed guidelines of Preferred Reporting of Items for Systematic Reviews and Meta-Analyses (PRISMA) and Cochrane recommendations. MEDLINE/PubMed, EMBASE, CINAHL, Cochrane Library, Physiotherapy Evidence Database (PEDro), SPORTDiscus and the Web of Science were searched from inception to March 2019 and updated in November 2020. Studies identifying electromyographic assessments for neuromuscular control during dynamic tasks in adult, physically active patients with an anterior cruciate ligament injury were eligible and qualitatively synthesized. Two independent reviewers used a modified Downs and Black checklist to assess risk of bias of included studies. RESULTS From initially 1388 hits, 38 mainly cross-sectional, case-controlled studies were included for qualitative analysis. Most studies provided EMG outcomes of thigh muscles during jumping, running or squatting. Outcomes measures described neuromuscular control of the knee in domains of time, amplitude or activity. Risk of bias was medium to high due to an unclear description of participants and prior interventions, confounding factors and incompletely reported results. CONCLUSIONS Despite a wide range of EMG outcome measures for neuromuscular control, none was used to decide upon return to sports in these patients. Additional studies are needed to define readiness towards RTS by assessing neuromuscular control in adult ACL patients with EMG. Further research should aim at finding reliable and valid, EMG-related variables to be used as diagnostic tool for neuromuscular control. Moreover, future studies should aim at more homogenous groups including adequately matched healthy subjects, evaluate gender separately and use sport-specific tasks. Registration The protocol for this systematic review was indexed beforehand in the International Prospective Register of Systematic Reviews (PROSPERO) and registered as CRD42019122188.
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Affiliation(s)
- Angela Blasimann
- Department of Health Professions, Division of Physiotherapy, Bern University of Applied Sciences, Murtenstrasse 10, 3008, Bern, Switzerland. .,Department of Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Campus Drie Eiken, Universiteitsplein 1, 2610, Wilrijk, Belgium.
| | - Irene Koenig
- Department of Health Professions, Division of Physiotherapy, Bern University of Applied Sciences, Murtenstrasse 10, 3008, Bern, Switzerland
| | - Isabel Baert
- Department of Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Campus Drie Eiken, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Heiner Baur
- Department of Health Professions, Division of Physiotherapy, Bern University of Applied Sciences, Murtenstrasse 10, 3008, Bern, Switzerland
| | - Dirk Vissers
- Department of Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Campus Drie Eiken, Universiteitsplein 1, 2610, Wilrijk, Belgium
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Van Wyngaarden JJ, Archer KR, Spencer A, Matuszewski PE, Brightwell B, Jacobs C, Noehren B. Early Pain Catastrophizing Exacerbates Impaired Limb Loading and 6-Minute Walk Test Distance 12 Months After Lower Extremity Fracture. Phys Ther 2021; 101:6352461. [PMID: 34403485 DOI: 10.1093/ptj/pzab194] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 05/14/2021] [Accepted: 07/05/2021] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Disability is common after lower extremity fracture (LEF). Although psychosocial factors have been associated with patient-reported outcomes after LEF, they have not been associated with objective measures of function. Aberrant gait patterns are important markers of function, but are poorly defined after LEF. The primary purpose of this study was to explore whether pain catastrophizing and fear of movement 6 weeks after surgery were associated with injured limb loading outcomes and 6-minute walk test (6MWT) distance 12 months after femur or tibia fracture. The secondary purpose was to determine if limb loading characteristics differed between injured and uninjured limbs. METHODS At 6 weeks after LEF, patients completed validated measures of pain catastrophizing, fear of movement, and depression. At 12 months, patients completed a 6MWT while wearing instrumented insoles that recorded the limb loading outcomes of stance time, impulse, and loading rate. Bivariate correlations assessed how patient and psychosocial characteristics at 6 weeks were associated with injured limb loading outcomes and 6MWT distance. Multivariable regression analyses were performed to determine if psychosocial variables were associated with each outcome after controlling for depression and patient demographic and clinical characteristics. Finally, paired t tests compared limb loading outcomes between limbs. RESULTS Forty-seven participants completed the 6MWT at 12 months (65%), and 38 completed the 6MWT with the instrumented insoles. Fear of movement carried a poor relationship (r = 0.11-0.32) and pain catastrophizing a moderate relationship (r = 0.46-0.54) with 12-month outcomes. The regression results indicated that pain catastrophizing continued to be associated with all outcomes. Finally, the injured limb had significantly lower limb loading outcomes than the uninjured limb at 12 months (Cohen d = 0.54-0.69). CONCLUSION Pain catastrophizing early after LEF was associated with impaired limb loading and 6MWT distance at 12 months. IMPACT Impaired limb loading persists 12 months after LEF. Further research is needed to determine whether rehabilitative efforts focused on pain catastrophizing can restore limb loading after LEF.
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Affiliation(s)
- Joshua J Van Wyngaarden
- Army-Baylor University, Doctoral Program of Physical Therapy, Baylor University, San Antonio, Texas, USA
| | - Kristin R Archer
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA.,Department of Physical Medicine and Rehabilitation, Vanderbilt University Medical Center, Nashville, Tennessee, USA.,Center for Musculoskeletal Research, Vanderbilt University Medical Center, Nashville, Tennessee, USA.,Osher Center for Integrative Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Alex Spencer
- College of Health Sciences, Department of Physical Therapy, University of Kentucky, Lexington, Kentucky, USA
| | - Paul E Matuszewski
- College of Medicine, Department of Orthopedic Surgery and Sports Medicine, University of Kentucky, Lexington, Kentucky, USA
| | - Benjamin Brightwell
- College of Health Sciences, Department of Physical Therapy, University of Kentucky, Lexington, Kentucky, USA
| | - Cale Jacobs
- College of Medicine, Department of Orthopedic Surgery and Sports Medicine, University of Kentucky, Lexington, Kentucky, USA
| | - Brian Noehren
- College of Health Sciences, Department of Physical Therapy, University of Kentucky, Lexington, Kentucky, USA.,College of Medicine, Department of Orthopedic Surgery and Sports Medicine, University of Kentucky, Lexington, Kentucky, USA
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10
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Diekfuss JA, Bonnette S, Hogg JA, Riehm C, Grooms DR, Singh H, Anand M, Slutsky-Ganesh AB, Wilkerson GB, Myer GD. Practical Training Strategies to Apply Neuro-Mechanistic Motor Learning Principles to Facilitate Adaptations Towards Injury-Resistant Movement in Youth. ACTA ACUST UNITED AC 2020. [DOI: 10.1007/s42978-020-00083-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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11
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Limb differences in hamstring muscle function and morphology after anterior cruciate ligament reconstruction. Phys Ther Sport 2020; 45:168-175. [DOI: 10.1016/j.ptsp.2020.06.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 06/19/2020] [Accepted: 06/22/2020] [Indexed: 12/15/2022]
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