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Ogasawara I, Ohta K, Revankar GS, Konda S, Shimokochi Y, Koga H, Nakata K. The deterministic condition for the ground reaction force acting point on the combined knee valgus and tibial internal rotation moments in early phase of cutting maneuvers in female athletes. J Sport Health Sci 2024; 13:376-386. [PMID: 38030065 DOI: 10.1016/j.jshs.2023.11.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 09/15/2023] [Accepted: 10/08/2023] [Indexed: 12/01/2023]
Abstract
BACKGROUND Combined knee valgus and tibial internal rotation (VL + IR) moments have been shown to stress the anterior cruciate ligament (ACL) in several in vitro cadaveric studies. To utilize this knowledge for non-contact ACL injury prevention in sports, it is necessary to elucidate how the ground reaction force (GRF) acting point (center of pressure (CoP)) in the stance foot produces combined knee VL + IR moments in risky maneuvers, such as cuttings. However, the effects of the GRF acting point on the development of the combined knee VL + IR moment in cutting are still unknown. METHODS We first established the deterministic mechanical condition that the CoP position relative to the tibial rotational axis differentiates the GRF vector's directional probability for developing the combined knee VL + IR moment, and theoretically predicted that when the CoP is posterior to the tibial rotational axis, the GRF vector is more likely to produce the combined knee VL + IR moment than when the CoP is anterior to the tibial rotational axis. Then, we tested a stochastic aspect of our theory in a lab-controlled in vivo experiment. Fourteen females performed 60° cutting under forefoot/rearfoot strike conditions (10 trials each). The positions of lower limb markers and GRF data were measured, and the knee moment due to GRF vector was calculated. The trials were divided into anterior- and posterior-CoP groups depending on the CoP position relative to the tibial rotational axis at each 10 ms interval from 0 to 100 ms after foot strike, and the occurrence rate of the combined knee VL + IR moment was compared between trial groups. RESULTS The posterior-CoP group showed significantly higher occurrence rates of the combined knee VL + IR moment (maximum of 82.8%) at every time point than those of the anterior-CoP trials, as theoretically predicted by the deterministic mechanical condition. CONCLUSION The rearfoot strikes inducing the posterior CoP should be avoided to reduce the risk of non-contact ACL injury associated with the combined knee VL + IR stress.
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Affiliation(s)
- Issei Ogasawara
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Toyonaka 560-0043, Japan.
| | - Ken Ohta
- Sports Sensing Co., LTD., Fukuoka 815-0035, Japan
| | - Gajanan S Revankar
- Department of Neurology, Graduate School of Medicine, Osaka University, Suita 565-0871, Japan
| | - Shoji Konda
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Toyonaka 560-0043, Japan
| | - Yohei Shimokochi
- Department of Health and Sport Management, Osaka University of Health and Sport Sciences, Sennan-gun 590-0496, Japan
| | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku 113-8519, Japan
| | - Ken Nakata
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Toyonaka 560-0043, Japan
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Rao H, Bakker R, McLachlin S, Chandrashekar N. Computational study of extrinsic factors affecting ACL strain during single-leg jump landing. BMC Musculoskelet Disord 2024; 25:318. [PMID: 38654258 PMCID: PMC11036765 DOI: 10.1186/s12891-024-07372-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 03/21/2024] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND Non-contact anterior cruciate ligament (ACL) injuries are a major concern in sport-related activities due to dynamic knee movements. There is a paucity of finite element (FE) studies that have accurately replicated the knee geometry, kinematics, and muscle forces during dynamic activities. The objective of this study was to develop and validate a knee FE model and use it to quantify the relationships between sagittal plane knee kinematics, kinetics and the resulting ACL strain. METHODS 3D images of a cadaver knee specimen were segmented (bones, cartilage, and meniscus) and meshed to develop the FE model. Knee ligament insertion sites were defined in the FE model via experimental digitization of the specimen's ligaments. The response of the model was validated against multiple physiological knee movements using published experimental data. Single-leg jump landing motions were then simulated on the validated model with muscle forces and kinematic inputs derived from motion capture and rigid body modelling of ten participants. RESULTS The maximum ACL strain measured with the model during jump landing was 3.5 ± 2.2%, comparable to published experimental results. Bivariate analysis showed no significant correlation between body weight, ground reaction force and sagittal plane parameters (such as joint flexion angles, joint moments, muscle forces, and joint velocity) and ACL strain. Multivariate regression analysis showed increasing trunk, hip and ankle flexion angles decreases ACL strain (R2 = 90.04%, p < 0.05). CONCLUSIONS Soft landing decreases ACL strain and the relationship could be presented through an empirical equation. The model and the empirical relation developed in this study could be used to better predict ACL injury risk and prevention strategies during dynamic activities.
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Affiliation(s)
- Harish Rao
- Mechanical and Mechatronics Engineering, University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada
| | - Ryan Bakker
- Mechanical and Mechatronics Engineering, University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada
| | - Stewart McLachlin
- Mechanical and Mechatronics Engineering, University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada
| | - Naveen Chandrashekar
- Mechanical and Mechatronics Engineering, University of Waterloo, 200 University Avenue West, Waterloo, ON, N2L 3G1, Canada.
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Lima YL, Collings TJ, Hall M, Bourne MN, Diamond LE. Injury Prevention Programmes Fail to Change Most Lower Limb Kinematics and Kinetics in Female Team Field and Court Sports: A Systematic Review and Meta-Analysis of Randomised Controlled Trials. Sports Med 2024; 54:933-952. [PMID: 38044391 DOI: 10.1007/s40279-023-01974-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/13/2023] [Indexed: 12/05/2023]
Abstract
BACKGROUND One mechanism by which exercise interventions may be effective in reducing anterior cruciate ligament (ACL) injury risk is through changes in lower limb biomechanics. Understanding how training programmes affect lower-limb kinematics and kinetics may help refine injury prevention programmes. OBJECTIVE The aim of this systematic review and meta-analysis was to assess the effect of injury prevention programmes on kinematics and kinetics during tasks related to ACL injury in female team field and court sports. DATA SOURCES Five databases were searched in October 2022. ELIGIBILITY CRITERIA Randomised controlled trials assessing the effect of injury prevention programmes compared with usual training/no training on lower limb kinematics and kinetics in female team field and court sports were eligible for review. RESULTS Sixteen studies were included. A total of 976 female athletes were included. Most of the studies included interventions with multiple components (12/16). Commonly used components were plyometrics (12/16), strength (8/16), and balance/stability (7/16). Thirteen studies had routine training or sham interventions as the control group and three studies had no training. Very low certainty evidence suggests that injury prevention programmes increase knee flexion angles (mean difference = 3.1° [95% confidence interval 0.8-5.5]); however, very low to low certainty evidence suggests no effect on hip flexion angles/moments, knee flexion moments, hip adduction angles/moments, knee adduction angles/moments, hip internal rotation angles/moments, ankle dorsiflexion angles, and ground reaction forces, compared with usual training/no training. CONCLUSION Injury prevention programmes may be effective in increasing knee flexion angles during dynamic landing and cutting tasks but may have no effect on other lower limb biomechanical variables. As such, the benefits of injury prevention programmes may be mediated by factors other than altered biomechanics and/or may happen through other biomechanical measures not included in this review.
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Affiliation(s)
- Yuri Lopes Lima
- School of Health Sciences and Social Work, Clinical Sciences G02, Griffith University, Parklands Drive, Southport, QLD, 4215, Australia.
- Griffith Centre of Biomedical and Rehabilitation Engineering (GCORE), Menzies Health Institute Queensland, Griffith University, Southport, Australia.
| | - Tyler J Collings
- School of Health Sciences and Social Work, Clinical Sciences G02, Griffith University, Parklands Drive, Southport, QLD, 4215, Australia
- Griffith Centre of Biomedical and Rehabilitation Engineering (GCORE), Menzies Health Institute Queensland, Griffith University, Southport, Australia
| | - Michelle Hall
- Sydney Musculoskeletal Health, Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
| | - Matthew N Bourne
- School of Health Sciences and Social Work, Clinical Sciences G02, Griffith University, Parklands Drive, Southport, QLD, 4215, Australia
- Griffith Centre of Biomedical and Rehabilitation Engineering (GCORE), Menzies Health Institute Queensland, Griffith University, Southport, Australia
| | - Laura E Diamond
- School of Health Sciences and Social Work, Clinical Sciences G02, Griffith University, Parklands Drive, Southport, QLD, 4215, Australia
- Griffith Centre of Biomedical and Rehabilitation Engineering (GCORE), Menzies Health Institute Queensland, Griffith University, Southport, Australia
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Magaña-Ramírez M, Gallardo-Gómez D, Álvarez-Barbosa F, Corral-Pernía JA. What exercise programme is the most appropriate to mitigate anterior cruciate ligament injury risk in football (soccer) players? A systematic review and network meta-analysis. J Sci Med Sport 2024; 27:234-242. [PMID: 38395699 DOI: 10.1016/j.jsams.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 12/29/2023] [Accepted: 02/02/2024] [Indexed: 02/25/2024]
Abstract
OBJECTIVES To examine the effectiveness of different exercise-based interventions to mitigate the risk of anterior cruciate ligament injury in football players, and to determine which is the most appropriate for them, specifically for female football players. DESIGN Four databases were accessed in July 2023 using the keywords football, soccer, athletic injuries, anterior cruciate ligament, knee injuries, injury prevention, exercise-based programme, and risk factor. METHODS Randomised controlled trials that evaluated any exercise-based injury prevention intervention compared with a control group on the prevention of anterior cruciate ligament injury in football players were included. RESULTS Eleven studies were included. Data were presented as logarithm hazard ratio, credible intervals and standard deviation. FIFA 11+ was the most effective in reducing anterior cruciate ligament injury risk in football players (logarithm hazard ratio = -1.23 [95% credible intervals: -2.20, -0.35]; SD = 0.47), followed by the Knäkontroll programme (logarithm hazard ratio = -0.76 [95% credible intervals: -1.60, -0.03]; standard deviation = 0.42). For females, only Knäkontroll had a significant impact on reducing the risk of anterior cruciate ligament injury (logarithm hazard ratio = -0.62 [95% credible intervals: -1.71, 0.62]; standard deviation = 0.58). CONCLUSIONS Our results support the use of FIFA 11+ and Knäkontroll to mitigate injury incidence at overall level. However, the effectiveness of these interventions changed when adjusting for females. Knäkontroll is postulated as the programme with the greatest preventive nature, although these results should be interpreted with caution due to the lack of the sample.
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Affiliation(s)
- Manuel Magaña-Ramírez
- University of Seville, Faculty of Education Sciences, Spain. https://twitter.com/manuemaga
| | - Daniel Gallardo-Gómez
- University of Seville, Faculty of Education Sciences, Spain. https://twitter.com/DanielG12754470
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Yona T, Kamel N, Cohen-Eick G, Ovadia I, Fischer A. One-dimension statistical parametric mapping in lower limb biomechanical analysis: A systematic scoping review. Gait Posture 2024; 109:133-146. [PMID: 38306782 DOI: 10.1016/j.gaitpost.2024.01.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 12/26/2023] [Accepted: 01/16/2024] [Indexed: 02/04/2024]
Abstract
BACKGROUND Biomechanics significantly impacts sports performance and injury prevention. Traditional methods like discrete point analysis simplify continuous kinetic and kinematic data, while one-dimensional Statistical Parametric Mapping (spm1d) evaluates entire movement curves. Nevertheless, spm1d's application in sports and injury research is limited. As no systematic review exists, we conducted a scoping systematic review, synthesizing the current applications of spm1d across various populations, activities, and injuries. This review concludes by identifying gaps in the literature and suggesting areas for future research. RESEARCH QUESTION What research exists using spm1d in sports biomechanics, focusing on the lower limbs, in what populations, and what are the current research gaps? METHODS We searched PubMed, Embase, Web of Science, and ProQuest databases for the following search string: "(((knee) OR (hip)) OR (ankle)) OR (foot) OR (feet) AND (statistical parametric mapping)". English peer-reviewed studies assessing lower limb kinetics or kinematics in different sports or sports-related injuries were included. Reviews, meta-analyses, conference abstracts, and grey literature were excluded. RESULTS Our search yielded 165 papers published since 2012. Among these, 112 examined healthy individuals (67 %), and 53 focused on injured populations (33 %). Running (n = 45), cutting (n = 25), and jumping/landing (n = 18) were the most common activities. The predominant injuries were anterior cruciate ligament rupture (n = 21), chronic ankle instability (n = 18), and hip-related pain (n = 9). The main research gaps included the unbalanced populations, underrepresentation of common sports and sport-related injuries, gender inequality, a lack of studies in non-laboratory settings, a lack of studies on varied sports gear, and a lack of reporting standardization. SIGNIFICANCE This review spotlights crucial gaps in spm1d research within sports biomechanics. Key issues include a lack of studies beyond laboratory settings, underrepresentation of various sports and injuries, and gender disparities in research populations. Addressing these gaps can significantly enhance the application of spm1d in sports performance, injury analysis, and rehabilitation.
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Affiliation(s)
- Tomer Yona
- Department of Biomedical Engineering, Technion, Israel Institute of Technology, Haifa, Israel
| | - Netanel Kamel
- The Ruth and Bruce Rappaport Faculty of Medicine, Technion, Israel Institute of Technology, Haifa, Israel
| | - Galya Cohen-Eick
- Department of Biomedical Engineering, Technion, Israel Institute of Technology, Haifa, Israel
| | - Inbar Ovadia
- Department of Mechanical Engineering, Technion, Israel Institute of Technology, Haifa, Israel
| | - Arielle Fischer
- Department of Biomedical Engineering, Technion, Israel Institute of Technology, Haifa, Israel.
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Bruder AM, Patterson BE, Crossley KM, Mosler AB, Haberfield MJ, Hägglund M, Culvenor AG, Cowan SM, Donaldson A. If we build it together, will they use it? A mixed-methods study evaluating the implementation of Prep-to-Play PRO: an injury prevention programme for women's elite Australian Football. Br J Sports Med 2024; 58:213-221. [PMID: 38216324 DOI: 10.1136/bjsports-2023-107518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/12/2023] [Indexed: 01/14/2024]
Abstract
OBJECTIVES We evaluated the implementation of Prep-to-Play PRO, an injury prevention programme for women's elite Australian Football League (AFLW). METHODS The Reach, Effectiveness, Adoption, Implementation and Maintenance (RE-AIM) of Prep-to-Play PRO were assessed based on the proportion of AFLW players and/or staff who: were aware of the programme (R), believed it may reduce anterior cruciate ligament injury (E), attempted to implement any/all programme components (A), implemented all intended components as practically as possible (I) and intended future programme implementation (M). Quantitative and qualitative data were triangulated to assess 58 RE-AIM items (evidence of yes/no/unsure/no evidence) and the 5 RE-AIM dimensions (fully achieved=evidence of yes on >50% dimension items, partially achieved=50% of items evidence of yes and 50% unsure or 50% mix of unsure and unanswered, or not met=evidence of yes on <50% dimension items). RESULTS Multiple sources including AFLW training observations (n=7 total), post-implementation surveys (141 players, 25 staff), semistructured interviews (19 players, 13 staff) and internal programme records (9 staff) contributed to the RE-AIM assessment. After the 2019 season, 8 of 10 (80%) AFLW clubs fully met all five RE-AIM dimensions. All 10 clubs participating in the AFLW fully achieved the reach (R) dimension. One club partially achieved the implementation (I) dimension, and one club partially achieved the effectiveness (E) and adoption (A) dimensions. CONCLUSION The Prep-to-Play PRO injury prevention programme for the AFLW achieved high implementation, possibly due to the programme's deliberately flexible approach coupled with our pragmatic definition of implementation. Engaging key stakeholders at multiple ecological levels (organisation, coaches, athletes) throughout programme development and implementation likely enhanced programme implementation.
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Affiliation(s)
- Andrea M Bruder
- School of Allied Health, Human Services and Sport, La Trobe University, Melbourne, Victoria, Australia
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, Victoria, Australia
- Australian IOC Research Centre, Melbourne, Victoria, Australia
| | - Brooke E Patterson
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, Victoria, Australia
- Australian IOC Research Centre, Melbourne, Victoria, Australia
| | - Kay M Crossley
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, Victoria, Australia
- Australian IOC Research Centre, Melbourne, Victoria, Australia
| | - Andrea B Mosler
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, Victoria, Australia
- Australian IOC Research Centre, Melbourne, Victoria, Australia
| | - Melissa J Haberfield
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, Victoria, Australia
- Australian IOC Research Centre, Melbourne, Victoria, Australia
| | - Martin Hägglund
- Department of Health, Medicine and Caring Sciences, Linköping University, Linkoping, Sweden
| | - Adam G Culvenor
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, Victoria, Australia
- Australian IOC Research Centre, Melbourne, Victoria, Australia
| | - Sallie M Cowan
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, Victoria, Australia
- Australian IOC Research Centre, Melbourne, Victoria, Australia
| | - Alex Donaldson
- Centre for Sport and Social Impact, La Trobe University, Melbourne, Victoria, Australia
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Mohr M, Federolf P, Heinrich D, Nitschke M, Raschner C, Scharbert J, Koelewijn AD. An 8-week injury prevention exercise program combined with change-of-direction technique training limits movement patterns associated with anterior cruciate ligament injury risk. Sci Rep 2024; 14:3115. [PMID: 38326644 PMCID: PMC10850483 DOI: 10.1038/s41598-024-53640-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 02/03/2024] [Indexed: 02/09/2024] Open
Abstract
Knee ligament sprains are common during change-of-direction (COD) maneuvers in multidirectional team sports. This study aimed to compare the effects of an 8-week injury prevention exercise program containing COD-specific exercises and a similar program containing linear sprint exercises on injury- and performance-related variables during a 135° COD task. We hypothesized that the COD-specific training would lead to (H1) stronger reductions in biomechanical variables associated with anterior cruciate ligament (ACL) injury risk during COD, i.e. knee abduction moment and angle, hip internal rotation angle and lateral trunk lean, and (H2) more effective improvements in COD performance according to the COD completion time, executed angle, ground contact time, and approach speed. Twenty-two sports science students (40% female) completed biomechanical assessments of COD movement strategies before and after participating in two supervised 25-min training sessions per week over 8 weeks. We observed significant 'training x group' interaction effects in support of H1: the COD-specific training but not the linear sprint training led to reduced peak knee abduction moments (interaction, p = 0.027), initial knee abduction (interaction, p < 0.001), and initial lateral trunk lean angles (interaction, p < 0.001) compared to baseline. Although the COD-specific training resulted in sharper executed angles (interaction, p < 0.001), the sprint-specific training group showed reduced COD completion (interaction, p = 0.037) and ground contact times (interaction, p < 0.001). In conclusion, a combination of generic and COD-specific injury prevention training resulted in COD technique adaptations that can help to avoid ACL injury-prone COD movements but may negatively affect COD speed.
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Affiliation(s)
- M Mohr
- Department of Sport Science, Universität Innsbruck, Fürstenweg 185, 6020, Innsbruck, Austria.
| | - P Federolf
- Department of Sport Science, Universität Innsbruck, Fürstenweg 185, 6020, Innsbruck, Austria
| | - D Heinrich
- Department of Sport Science, Universität Innsbruck, Fürstenweg 185, 6020, Innsbruck, Austria
| | - M Nitschke
- Department of Artificial Intelligence in Biomedical Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - C Raschner
- Department of Sport Science, Universität Innsbruck, Fürstenweg 185, 6020, Innsbruck, Austria
| | - J Scharbert
- Department of Sport Science, Universität Innsbruck, Fürstenweg 185, 6020, Innsbruck, Austria
| | - A D Koelewijn
- Department of Artificial Intelligence in Biomedical Engineering, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
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Seidman L, Seidman DS, Constantini NW. Hormonal contraception for female athletes presents special needs and concerns. EUR J CONTRACEP REPR 2024; 29:8-14. [PMID: 38108091 DOI: 10.1080/13625187.2023.2287960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 11/17/2023] [Indexed: 12/19/2023]
Abstract
PURPOSE Oral contraceptives (OCs) are commonly used by female athletes raising concerns regarding the possible adverse effects of OCs on physical performance, musculoskeletal injuries, and bone density. We aimed to review all current studies on the physiological effects of OCs in physically active women. MATERIALS AND METHODS A review of literature in electronic search in PubMed and Google Scholar databases from December 2002 to December 2022 using relevant keywords. The reference lists of the articles found eligible were also reviewed. RESULTS Out of 344 articles in the initial database, 54 clinical studies were eligible for inclusion in our literature review. OCs are used by about two-thirds of female athletes. Current research suggests that OCs' effects on endurance performance and muscle strength are mostly reassuring. OCs do not seem to have a major negative impact on bone health or sports injuries. In fact, new data suggests that they may even significantly reduce the risk of anterior cruciate ligament (ACL) injury. CONCLUSIONS OCs can be safely used by young female athletes, who may also benefit from better menstrual cycle control. OCs offer newly realised protection from ACL injuries. The use of OCs must be carefully individualised according to their preferences, expectations, and experience.
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Affiliation(s)
- Liron Seidman
- Soroka Medical School, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Daniel S Seidman
- Department of Obstetrics and Gynecology, the Chaim Sheba Medical Center, and the Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Naama W Constantini
- Heidi Rothberg Sport Medicine Center, Shaare Zedek Medical Center, affiliated to the Hebrew University, Jerusalem, Israel
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Muramoto Y, Iwamoto W, Iida S, Sasagawa K, Kobayashi H, Ishibuchi S, Murakami J, Maehara Y, Tanaka N, Wagatsuma K, Kuruma H. Effectiveness of warm-up and dynamic balance training in preventing anterior cruciate ligament injuries in college gymnasts: a 3-year prospective study for one team. J Sports Med Phys Fitness 2024; 64:167-174. [PMID: 38093642 DOI: 10.23736/s0022-4707.23.15539-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
BACKGROUND The effect of trunk stability and dynamic balance warm-up exercises on physical functional improvement remains unelucidated. This study examined whether exercises could prevent anterior cruciate ligament (ACL) injury and improve trunk muscle activation and dynamic balance in gymnasts. METHODS This comparison study, involving gymnastics practice sessions, included 31 university gymnasts and was conducted in two periods: 1 year of observation followed by 2 years of intervention. Participants performed a trunk and dynamic balance warm-up exercise program during the intervention. The effect of exercise on the incidence of ACL injury was evaluated. In addition, the paired t-test was used to compare the Y-balance distance and the changes in muscle thickness associated with trunk muscle activation at rest and during plank. RESULTS ACL injury risk during the intervention was significantly lower, with a relative risk of 0.23 (P=0.02, 95% CI: 0.06-0.88). Changes in muscle thickness with activation of the transversus abdominis (P<0.01, mean difference 4.1, 95% CI: 9.97-28.07, Cohen's d=0.52), internal oblique (P<0.01, mean difference 5.2, 95% CI: 9.72-21.55, Cohen's d=0.65), and external oblique (P<0.01, mean difference 5.5, 95% CI: 20.44-39.09, Cohen's d=0.71) muscles were significantly higher during the intervention. The Y-balance distance was also significantly greater in the posterior medial reach (P<0.01, mean difference 3.3, 95% CI: 1.56-6.26, Cohen's d=0.46) during the intervention. CONCLUSIONS Exercise-based warm-up programs may decrease ACL injuries. It can improve physical functions, such as the rate of change in trunk muscle thickness and the posterior medial distance during Y balance.
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Affiliation(s)
- Yuki Muramoto
- Institute for Integrated Sports Medicine, School of Medicine, Keio University, Tokyo, Japan -
- Department of Sports Medicine, Edogawa Hospital, Tokyo, Japan -
| | - Wtataru Iwamoto
- Department of Sports Medicine, Edogawa Hospital, Tokyo, Japan
| | - Syota Iida
- Department of Sports Medicine, Edogawa Hospital, Tokyo, Japan
| | - Kaoru Sasagawa
- Department of Sports Medicine, Edogawa Hospital, Tokyo, Japan
| | | | | | | | - Yuko Maehara
- Department of Sports Medicine, Edogawa Hospital, Tokyo, Japan
| | - Naoki Tanaka
- Faculty of Health Care and Medical Sports, Teikyo Heisei University, Chiba, Japan
| | - Koji Wagatsuma
- Department of Sports Medicine, Edogawa Hospital, Tokyo, Japan
| | - Hironobu Kuruma
- Department of Physical Therapy Science, Tokyo Metropolitan University Graduate School of Human Health Sciences, Tokyo, Japan
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Xu D, Zhou H, Quan W, Gusztav F, Wang M, Baker JS, Gu Y. Accurately and effectively predict the ACL force: Utilizing biomechanical landing pattern before and after-fatigue. Comput Methods Programs Biomed 2023; 241:107761. [PMID: 37579552 DOI: 10.1016/j.cmpb.2023.107761] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 08/08/2023] [Accepted: 08/09/2023] [Indexed: 08/16/2023]
Abstract
BACKGROUND AND OBJECTIVE As a fundamental exercise technique, landing can commonly be associated with anterior cruciate ligament (ACL) injury, especially during after-fatigue single-leg landing (SL). Presently, the inability to accurately detect ACL loading makes it difficult to recognize the risk degree of ACL injury, which reduces the effectiveness of injury prevention and sports monitoring. Increased risk of ACL injury during after-fatigue SL may be related to changes in ankle motion patterns. Therefore, this study aims to develop a highly accurate and easily implemented ACL force prediction model by combining deep learning and the explored relationship between ACL force and ankle motion pattern. METHODS First, 56 subjects' during before and after-fatigue SL data were collected to explore the relationship between the ankle initial contact angle (AIC), ankle range of motion (AROM) and peak ACL force (PAF). Then, the musculoskeletal model was developed to simulate and calculate the ACL force. Finally, the ACL force prediction model was constructed by combining the explored relationship and sparrow search algorithm (SSA) to optimize the extreme learning machine (ELM) and long short-term memory (LSTM). RESULTS There was almost a stronger linear relationship between the PAF and AIC (R = -0.70), AROM (R2 = -0.61). By substituting AIC and AROM as independent variables in the SSA-ELM prediction model, the model shows excellent prediction performance because of very strong correlation (R2 = 0.9992, MSE = 0.0023, RMSE = 0.0474). Based on the equal scaling by combining results of SSA-ELM and SSA-LSTM, the prediction model achieves excellent performance in ACL force prediction of the overall waveform (R2 = 0.9947, MSE = 0.0076, RMSE = 0.0873). CONCLUSION By increasing the AIC and AROM during SL, the lower limb joint energy dissipation can be increased and the PAF reduced, thus reducing the impact loads on the lower limb joints and reducing ACL injuries. The proposed ACL dynamic load force prediction model has low input variable demands (sagittal joint angles), excellent generalization capabilities and superior performance in terms of high accuracy. In the future, we plan to use it as an accurate ACL injury risk assessment tool to promote and apply it to a wider range of sports training and injury monitoring.
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Affiliation(s)
- Datao Xu
- Faculty of Sports Science, Ningbo University, Ningbo, 315211, China; Faculty of Engineering, University of Pannonia, Veszprém, 8201, Hungary; Savaria Institute of Technology, Eötvös Loránd University, Szombathely, 9700, Hungary
| | - Huiyu Zhou
- Faculty of Sports Science, Ningbo University, Ningbo, 315211, China; School of Health and Life Sciences, University of the West of Scotland, Scotland, G72 0LH, United Kingdom
| | - Wenjing Quan
- Faculty of Sports Science, Ningbo University, Ningbo, 315211, China; Faculty of Engineering, University of Pannonia, Veszprém, 8201, Hungary; Savaria Institute of Technology, Eötvös Loránd University, Szombathely, 9700, Hungary
| | - Fekete Gusztav
- Faculty of Engineering, University of Pannonia, Veszprém, 8201, Hungary; Savaria Institute of Technology, Eötvös Loránd University, Szombathely, 9700, Hungary
| | - Meizi Wang
- Faculty of Sports Science, Ningbo University, Ningbo, 315211, China; Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, 999077, Hong Kong, China
| | - Julien S Baker
- Department of Sport and Physical Education, Hong Kong Baptist University, Hong Kong, 999077, China
| | - Yaodong Gu
- Faculty of Sports Science, Ningbo University, Ningbo, 315211, China.
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11
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Nawas H, Fleming H, Purcell S. ACL Injuries in Soccer Players: Prevention and Return to Play Considerations. Mo Med 2023; 120:446-450. [PMID: 38144932 PMCID: PMC10743334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/26/2023]
Abstract
Soccer is the most popular sport in the world, with an estimated 270 million people, or 4% of the world's population, currently playing.1 Soccer has recently enjoyed an elevated profile with the US women's national team competing in the 2023 World Cup. Meanwhile, there is regional excitement with Kansas City selected as a host city of the upcoming 2026 men's World Cup (logo left). Knee injuries, particularly ACL tears, are common in soccer and can lead to extensive time away from sport. Increasing emphasis is being placed on reducing soccer related injuries as well as improving outcomes when returning players back to competitive play.
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Affiliation(s)
- Husam Nawas
- St. Louis Cardinals Hip Consultant, and an Orthopaedic Surgeon at Mercy Sports Medicine, St. Louis, Missouri
| | - Hunter Fleming
- Specializes in Family and Sports Medicine at Mercy Sports Medicine, St. Louis, Missouri
| | - Steven Purcell
- Supervisor, Physical Therapy, at Mercy Sports Medicine, St. Louis, Missouri
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12
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Auer S, Kubowitsch S, Dendorfer S. [Combined influence of psychological and biomechanical factors in muscular loads in soccer : A new approach for the prevention of muscle injuries]. Orthopadie (Heidelb) 2023; 52:876-881. [PMID: 37782318 PMCID: PMC10622364 DOI: 10.1007/s00132-023-04437-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/17/2023] [Indexed: 10/03/2023]
Abstract
When mental stress and musculoskeletal loading interact, the risk for injury increases due to altered body kinematics and increased muscle tension. These changes can be detected with musculoskeletal models, and mental loading and stress must be analyzed at emotional, cognitive, and behavioral levels. To investigate these kinematic and loading changes under stress, competitive athletes were subjected to mental stress during highly dynamic movements, and musculoskeletal models were used to analyze the biomechanical loading. It was shown that under mental stress, independent of the subjective perception, a strong change in muscle forces can occur. Accordingly, competitive athletes should undergo screenings to assess individual movement patterns and promote general stress resilience.
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Affiliation(s)
- Simon Auer
- Labor für Biomechanik, Ostbayerische Technische Hochschule Regensburg, Seybothstraße 2, 93053, Regensburg, Deutschland
| | - Simone Kubowitsch
- Abteilung Wirtschaftspsychologie, Technische Hochschule Augsburg, Augsburg, Deutschland
| | - Sebastian Dendorfer
- Labor für Biomechanik, Ostbayerische Technische Hochschule Regensburg, Seybothstraße 2, 93053, Regensburg, Deutschland.
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13
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Saltzman EB, Levin JM, Dagher AMB, Messer M, Kimball R, Lohnes J, Mandelbaum BR, Williams RJ, Amendola A, Chiampas G, Lau BC. Injury prevention strategies at the 2019 FIFA Women's World Cup display a multifactorial approach and highlight subjective wellness measurements. J ISAKOS 2023; 8:325-331. [PMID: 37146689 DOI: 10.1016/j.jisako.2023.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 04/03/2023] [Accepted: 04/20/2023] [Indexed: 05/07/2023]
Abstract
OBJECTIVE To report the injury prevention programs utilised by top-level female footballers competing internationally. METHODS An online survey was administered to physicians of the 24 competing national teams at the 2019 Federation Internationale de Football Association (FIFA) Women's World Cup. The survey included 4 sections regarding perceptions and practices concerning non-contact injuries: (1) risk factors, (2) screening tests and monitoring tools, (3) preventative strategies, and (4) reflection on their World Cup experience. RESULTS Following responses from 54% of teams, the most common injuries encountered included muscle strains, ankle sprains, and anterior cruciate ligament ruptures. The study also revealed the most important injury risk factors during the FIFA 2019 World Cup. Intrinsic risk factors include accumulated fatigue, previous injury, and strength endurance. Extrinsic risk factors include reduced recovery time between matches, congested match schedule, and the number of club team matches played. The 5 most used tests for risk factors were flexibility, joint mobility, fitness, balance, and strength. Monitoring tools commonly used were subjective wellness, heart rate, minutes/matches played, and daily medical screening. Specific strategies to limit the risk of an anterior cruciate ligament injury included the FIFA 11+ program and proprioception training. CONCLUSION The present study revealed multifactorial approaches to injury prevention strategies for women's national football teams at the FIFA 2019 World Cup. Challenges to injury prevention program implementation reflect time limitations, schedule uncertainties, and varying club team recommendations. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- Eliana B Saltzman
- Duke Sport Science Institute, Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, 27705, USA
| | - Jay M Levin
- Duke Sport Science Institute, Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, 27705, USA
| | - Anna-Maria B Dagher
- Duke Sport Science Institute, Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, 27705, USA
| | - Michael Messer
- Duke Sport Science Institute, Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, 27705, USA
| | - Ryan Kimball
- Duke Sport Science Institute, Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, 27705, USA
| | - John Lohnes
- Duke Sport Science Institute, Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, 27705, USA
| | - Bert R Mandelbaum
- Santa Monica Orthopaedic and Sports Medicine Research Foundation, Santa Monica, CA, 90404, USA
| | - Riley J Williams
- Hospital for Special Surgery, Department of Orthopaedic Surgery, New York, NY, 10021, USA
| | - Annuziato Amendola
- Duke Sport Science Institute, Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, 27705, USA
| | - George Chiampas
- Feinberg School of Medicine, Northwestern University, Department of Emergency Medicine, Chicago, IL, 60611, USA
| | - Brian C Lau
- Duke Sport Science Institute, Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, 27705, USA.
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14
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Heering T, Rolley TL, Lander N, Fox A, Barnett LM, Duncan MJ. Identifying modifiable risk factors and screening strategies associated with anterior cruciate ligament injury risk in children aged 6 to 13 years: A systematic review. J Sports Sci 2023; 41:1337-1362. [PMID: 37930935 DOI: 10.1080/02640414.2023.2268900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 10/03/2023] [Indexed: 11/08/2023]
Abstract
Growing anterior cruciate ligament (ACL) injury incidence is reported in countries across Europe, North America and in Australia for 5-14-year-olds, yet research on injury risk reduction predominantly focuses on populations aged > 13 years. For injury risk reduction, it is crucial to understand (i) which modifiable risk factors are associated with ACL injury in children (6-13 years) and (ii) how these risk factors are assessed. Articles were grouped according to sex/gender and/or maturational/age differences and examined modifiable risk factors during different physical screening tasks. The included articles (n = 40) predominantly examined intrinsic risk factors in girls aged 10-13 years. Factors mechanically linked to increased ACL loading at this age included increased peak knee adductor moments, knee valgus angles, hip and knee extension, and ground reaction forces. Assessment focused on laboratory-based assessments (e.g., motion capture, force plates). This review concluded that modifiable risk factors are present in children aged 6-13 years and that injury risk reduction strategies should be implemented as early as possible regardless of sex/gender. Further, screening strategies need updating to be childhood specific and feasible for the wide community. Additional research on extrinsic risk factors, norm values and children aged 6-9 years could allow for more targeted risk reduction strategies.
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Affiliation(s)
- Theresa Heering
- Centre of Physical Activity, Sport and Exercise Science, Coventry University, Coventry, UK
- School of Health and Social Development, Deakin University, Victoria, Australia
| | - Tess L Rolley
- School of Exercise and Nutrition Science, Deakin University, Victoria, Australia
| | - Natalie Lander
- Institute for Physical Activity and Nutrition, Deakin University, Victoria, Australia
| | - Aaron Fox
- School of Exercise and Nutrition Science, Deakin University, Victoria, Australia
| | - Lisa M Barnett
- School of Health and Social Development, Deakin University, Victoria, Australia
- Institute for Physical Activity and Nutrition, Deakin University, Victoria, Australia
| | - Michael J Duncan
- Centre of Physical Activity, Sport and Exercise Science, Coventry University, Coventry, UK
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15
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Burtscher M, Kopp M, Millet GP, Burtscher J, Ruedl G. Creating awareness about exercise-based ACL prevention strategies in recreational alpine skiers. Br J Sports Med 2023; 57:955-956. [PMID: 37185227 DOI: 10.1136/bjsports-2023-106782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/13/2023] [Indexed: 05/17/2023]
Affiliation(s)
- Martin Burtscher
- Department of Sport Science, University of Innsbruck, Innsbruck, Austria
| | - Martin Kopp
- Department of Sport Science, University of Innsbruck, Innsbruck, Austria
| | - Gregoire P Millet
- Institute of Sport Sciences, University of Lausanne, Lausanne, Switzerland
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
| | - Johannes Burtscher
- Institute of Sport Sciences, University of Lausanne, Lausanne, Switzerland
- Department of Biomedical Sciences, University of Lausanne, Lausanne, Switzerland
| | - Gerhard Ruedl
- Department of Sport Science, University of Innsbruck, Innsbruck, Austria
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16
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Sadeqi S, Norte GE, Murray A, Erbulut DU, Goel VK. Effect of Whole Body Parameters on Knee Joint Biomechanics: Implications for ACL Injury Prevention During Single-Leg Landings. Am J Sports Med 2023; 51:2098-2109. [PMID: 37259968 DOI: 10.1177/03635465231174899] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
BACKGROUND Previous studies have examined the effect of whole body (WB) parameters on anterior cruciate ligament (ACL) strain and loads, as well as knee joint kinetics and kinematics. However, articular cartilage damage occurs in relation to ACL failure, and the effect of WB parameters on ACL strain and articular cartilage biomechanics during dynamic tasks is unclear. PURPOSES (1) To investigate the effect of WB parameters on ACL strain, as well as articular cartilage stress and contact force, during a single-leg cross drop (SLCD) and single-leg drop (SLD). (2) To identify WB parameters predictive of high ACL strain during these tasks. STUDY DESIGN Descriptive laboratory study. METHODS Three-dimensional motion analysis data from 14 physically active men and women were recorded during an SLCD and SLD. OpenSim was used to obtain their kinematics, kinetics, and muscle forces for the WB model. Using these data in kinetically driven finite element simulations of the knee joint produced outputs of ACL strains and articular cartilage stresses and contact forces. Spearman correlation coefficients were used to assess relationships between WB parameters and ACL strain and cartilage biomechanics. Moreover, receiver operating characteristic curve analyses and multivariate binary logistic regressions were used to find the WB parameters that could discriminate high from low ACL strain trials. RESULTS Correlations showed that more lumbar rotation away from the stance limb at peak ACL strain had the strongest overall association (ρ = 0.877) with peak ACL strain. Higher knee anterior shear force (ρ = 0.895) and lower gluteus maximus muscle force (ρ = 0.89) at peak ACL strain demonstrated the strongest associations with peak articular cartilage stress or contact force in ≥1 of the analyzed tasks. The regression model that used muscle forces to predict high ACL strain trials during the dominant limb SLD yielded the highest accuracy (93.5%), sensitivity (0.881), and specificity (0.952) among all regression models. CONCLUSION WB parameters that were most consistently associated with and predictive of high ACL strain and poor articular cartilage biomechanics during the SLCD and SLD tasks included greater knee abduction angle at initial contact and higher anterior shear force at peak ACL strain, as well as lower gracilis, gluteus maximus, and medial gastrocnemius muscle forces. CLINICAL RELEVANCE Knowledge of which landing postures create a high risk for ACL or cartilage injury may help reduce injuries in athletes by avoiding those postures and practicing the tasks with reduced high-risk motions, as well as by strengthening the muscles that protect the knee during single-leg landings.
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Affiliation(s)
- Sara Sadeqi
- Engineering Center for Orthopaedic Research Excellence (E-CORE), Departments of Bioengineering and Orthopaedic Surgery, University of Toledo, Toledo, OH, USA
| | - Grant E Norte
- Motion Analysis and Integrative Neurophysiology Lab, Department of Exercise and Rehabilitation Sciences, College of Health and Human Services, University of Toledo, Toledo, Ohio, USA
| | - Amanda Murray
- Motion Analysis and Integrative Neurophysiology Lab, Department of Exercise and Rehabilitation Sciences, College of Health and Human Services, University of Toledo, Toledo, Ohio, USA
| | - Deniz U Erbulut
- Engineering Center for Orthopaedic Research Excellence (E-CORE), Departments of Bioengineering and Orthopaedic Surgery, University of Toledo, Toledo, OH, USA
| | - Vijay K Goel
- Engineering Center for Orthopaedic Research Excellence (E-CORE), Departments of Bioengineering and Orthopaedic Surgery, University of Toledo, Toledo, OH, USA
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17
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Wong CY(T, Mok KM, Yung SH(P. Secondary Anterior Cruciate Ligament Injury Prevention Training in Athletes: What Is the Missing Link? Int J Environ Res Public Health 2023; 20:4821. [PMID: 36981735 PMCID: PMC10049415 DOI: 10.3390/ijerph20064821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/23/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
After reconstruction, the return to full competition rate of athletes is low, while the re-injury rate remains high despite the completion of a rehabilitation programme. Primary ACL prevention programmes are well developed, yet few research papers focus on secondary ACL injury prevention. The aim of current review is to determine if current ACL secondary prevention training has a positive influence on the re-injury rate, the clinical or functional outcomes, or the risk of re-injury in athletes. Studies investigating secondary prevention of ACL were searched in PubMed and EBSCOhost, followed by a review of the references in the identified articles. The existing evidence suggests that neuromuscular training, eccentric strengthening, and plyometric exercises may have a potential impact on improving biomechanical, functional, and psychological outcomes in athletes; however, the studies on the prevention of second ACL injury in athletes is scarce and inconclusive. Future research is needed to investigate the effectiveness of secondary ACL prevention in reducing the re-injury rates. (PROSPERO Registration number: CRD42021291308).
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Affiliation(s)
- Choi-Yan (Tiffany) Wong
- Department of Orthopaedics & Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China; (C.-Y.W.); (K.-M.M.)
| | - Kam-Ming Mok
- Department of Orthopaedics & Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China; (C.-Y.W.); (K.-M.M.)
- Office of Student Affairs, Lingnan University, Hong Kong, China
- School of Interdisciplinary Studies, Lingnan University, Hong Kong, China
| | - Shu-Hang (Patrick) Yung
- Department of Orthopaedics & Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China; (C.-Y.W.); (K.-M.M.)
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18
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Wang Y, Liu H, Wei H, Wu C, Yuan F. The Effect of a Knee Brace on Muscle Forces during Single-Leg Landings at Two Heights. Int J Environ Res Public Health 2023; 20:4652. [PMID: 36901663 PMCID: PMC10002319 DOI: 10.3390/ijerph20054652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/18/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
Single-leg landing is one of the maneuvers that has been linked to non-contact anterior cruciate ligament (ACL) injuries, and wearing knee braces has been shown to reduce ACL injury incidence. The purpose of this study was to determine whether wearing a knee brace has an effect on muscle force during single-leg landings at two heights through musculoskeletal simulation. Eleven healthy male participants, some braced and some non-braced were recruited to perform single-leg landings at 30 cm and 45 cm. We recorded the trajectories and ground reaction forces (GRF) using an eight-camera motion capture system and a force platform. The captured data were imported into the generic musculoskeletal model (Gait2392) in OpenSim. Static optimization was used to calculate the muscle forces. The gluteus minimus, rectus femoris, vastus medialis, vastus lateralis, vastus medialis medial gastrocnemius, lateral gartrocnemius, and soleus muscle forces were all statistically significant different between the braced and non-braced participants. Simultaneously, increasing the landing height significantly affected the gluteus maximums, vastus medialis, and vastus intermedia muscle forces. Our findings imply that wearing a knee brace may alter muscle forces during single-leg landings, preventing ACL injuries. Additionally, research demonstrates that people should avoid landing from heights due to the increased risk of knee injuries.
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Affiliation(s)
- Yubin Wang
- School of Sport and Health Science, Dalian University of Technology, Dalian 116024, China
- College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Nanjing 213300, China
| | - Haibin Liu
- School of Sport and Health Science, Dalian University of Technology, Dalian 116024, China
| | - Huidong Wei
- College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Nanjing 213300, China
| | - Chenxiao Wu
- School of Sport and Health Science, Dalian University of Technology, Dalian 116024, China
| | - Feijie Yuan
- School of Sport and Health Science, Dalian University of Technology, Dalian 116024, China
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19
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Driban JB, Vincent HK, Trojian TH, Ambrose KR, Baez S, Beresic N, Berkoff DJ, Callahan LF, Cohen B, Franek M, Golightly YM, Harkey M, Kuenze CM, Minnig MC, Mobasheri A, Naylor A, Newman CB, Padua DA, Pietrosimone B, Pinto D, Root H, Salzler M, Schmitt L, Snyder-Mackler L, Taylor JB, Thoma LM, Vincent KR, Wellsandt E, Williams M. Evidence Review for Preventing Osteoarthritis After an Anterior Cruciate Ligament Injury: An Osteoarthritis Action Alliance Consensus Statement. J Athl Train 2023; 58:198-219. [PMID: 37130279 PMCID: PMC10176847 DOI: 10.4085/1062-6050-0504.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
CONTEXT The Osteoarthritis Action Alliance formed a secondary prevention task group to develop a consensus on secondary prevention recommendations to reduce the risk of osteoarthritis after a knee injury. OBJECTIVE Our goal was to provide clinicians with secondary prevention recommendations that are intended to reduce the risk of osteoarthritis after a person has sustained an anterior cruciate ligament injury. Specifically, this manuscript describes our methods, literature reviews, and dissenting opinions to elaborate on the rationale for our recommendations and to identify critical gaps. DESIGN Consensus process. SETTING Virtual video conference calls and online voting. PATIENTS OR OTHER PARTICIPANTS The Secondary Prevention Task Group consisted of 29 members from various clinical backgrounds. MAIN OUTCOME MEASURE(S) The group initially convened online in August 2020 to discuss the target population, goals, and key topics. After a second call, the task group divided into 9 subgroups to draft the recommendations and supportive text for crucial content areas. Twenty-one members completed 2 rounds of voting and revising the recommendations and supportive text between February and April 2021. A virtual meeting was held to review the wording of the recommendations and obtain final votes. We defined consensus as >80% of voting members supporting a proposed recommendation. RESULTS The group achieved consensus on 15 of 16 recommendations. The recommendations address patient education, exercise and rehabilitation, psychological skills training, graded-exposure therapy, cognitive-behavioral counseling (lacked consensus), outcomes to monitor, secondary injury prevention, system-level social support, leveraging technology, and coordinated care models. CONCLUSIONS This consensus statement reflects information synthesized from an interdisciplinary group of experts based on the best available evidence from the literature or personal experience. We hope this document raises awareness among clinicians and researchers to take steps to mitigate the risk of osteoarthritis after an anterior cruciate ligament injury.
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Affiliation(s)
| | - Jeffrey B. Driban
- Division of Rheumatology, Allergy, and Immunology, Tufts Medical Center, Boston, MA
| | - Heather K. Vincent
- UF Health Sports Performance Center, Department of Physical Medicine and Rehabilitation, University of Florida, Gainesville
| | - Thomas H. Trojian
- UF Health Sports Performance Center, Department of Physical Medicine and Rehabilitation, University of Florida, Gainesville
| | | | - Shelby Baez
- Osteoarthritis Action Alliance, Thurston Arthritis Research Center, University of North Carolina at Chapel Hill
| | | | - David J. Berkoff
- Department of Kinesiology, Michigan State University, East Lansing
| | - Leigh F. Callahan
- Osteoarthritis Action Alliance, Thurston Arthritis Research Center, University of North Carolina at Chapel Hill
| | | | - Madison Franek
- University of North Carolina Therapy Services, UNC Wellness Center at Meadowmont, Chapel Hill
| | - Yvonne M. Golightly
- Department of Epidemiology, Thurston Arthritis Research Center, Injury Prevention Research Center, Osteoarthritis Action Alliance, University of North Carolina at Chapel Hill
| | - Matthew Harkey
- Department of Kinesiology, Michigan State University, East Lansing
| | | | - Mary Catherine Minnig
- Department of Epidemiology, Thurston Arthritis Research Center, Injury Prevention Research Center, Osteoarthritis Action Alliance, University of North Carolina at Chapel Hill
| | - Ali Mobasheri
- Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Finland; Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania; Department of Joint Surgery, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China; World Health Organization Collaborating Centre for Public Health Aspects of Musculoskeletal Health and Aging, Liege, Belgium
| | | | - Connie B. Newman
- Department of Medicine, Division of Endocrinology, Diabetes & Metabolism, NYU Grossman School of Medicine, New York, NY
| | - Darin A. Padua
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill
| | - Brian Pietrosimone
- Department of Physical Therapy, Congdon School of Health Sciences, High Point University, NC
| | - Daniel Pinto
- Department of Physical Therapy, Marquette University, Milwaukee, WI
| | - Hayley Root
- Department of Physical Therapy, Marquette University, Milwaukee, WI
| | - Matthew Salzler
- Department of Physical Therapy and Athletic Training, Northern Arizona University, Flagstaff
| | - Laura Schmitt
- Division of Physical Therapy, School of Health and Rehabilitation Sciences, Ohio State University, Columbus
| | | | - Jeffrey B. Taylor
- Department of Physical Therapy, Congdon School of Health Sciences, High Point University, NC
| | - Louise M. Thoma
- Division of Physical Therapy, Department of Allied Health Sciences, University of North Carolina at Chapel Hill
| | - Kevin R. Vincent
- UF Health Sports Performance Center, Department of Physical Medicine and Rehabilitation, University of Florida, Gainesville
| | - Elizabeth Wellsandt
- Division of Physical Therapy Education, University of Nebraska Medical Center, Omaha
| | - Monette Williams
- Division of Physical Therapy Education, University of Nebraska Medical Center, Omaha
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20
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Exercise-Based Interventions for Preventing Knee and Anterior Cruciate Ligament Injury: Using the Evidence to Guide Musculoskeletal Rehabilitation Practice. J Orthop Sports Phys Ther 2023; 53:103-104. [PMID: 36722097 DOI: 10.2519/jospt.2023.0502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Knee and anterior cruciate ligament (ACL) injuries are common and can be severe. Some knee injuries carry long-term implications for the health of active people, including a risk of osteoarthritis and physical inactivity. Preventing injuries from occurring is critical to helping people stay active and healthy through their life. Here we present for clinicians, the most up-to-date information to guide their work to prevent knee and ACL injuries. J Orthop Sports Phys Ther 2023;53(2):103-104. doi:10.2519/jospt.2023.0502.
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Arundale AJH, Bizzini M, Dix C, Giordano A, Kelly R, Logerstedt DS, Mandelbaum B, Scalzitti DA, Silvers-Granelli H, Snyder-Mackler L. Exercise-Based Knee and Anterior Cruciate Ligament Injury Prevention. J Orthop Sports Phys Ther 2023; 53:CPG1-CPG34. [PMID: 36587265 DOI: 10.2519/jospt.2023.0301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The Academy of Orthopaedic Physical Therapy and the American Academy of Sports Physical Therapy have an ongoing effort to create evidence-based clinical practice guidelines (CPGs) for orthopaedic and sports physical therapy management and prevention of musculoskeletal impairments described in the World Health Organization's International Classification of Functioning, Disability and Health (ICF). This guideline focuses on the exercise-based prevention of knee injuries and provides an update on the 2018 guideline, J Orthop Sports Phys Ther. 2018;48(9):A1-A42. doi:10.2519/jospt.2018.0303 J Orthop Sports Phys Ther. 2023;53(1):CPG1-CPG34. doi:10.2519/jospt.2023.0301.
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22
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Hu Z, Kim Y, Zhang Y, Zhang Y, Li J, Tang X, Sohn J, Kim S. Correlation of Lower Limb Muscle Activity with Knee Joint Kinematics and Kinetics during Badminton Landing Tasks. Int J Environ Res Public Health 2022; 19:ijerph192416587. [PMID: 36554467 PMCID: PMC9778979 DOI: 10.3390/ijerph192416587] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/30/2022] [Accepted: 12/06/2022] [Indexed: 05/27/2023]
Abstract
A study on a single-leg landing task after an overhead stroke in badminton suggests that poor knee biomechanical indicators may be a risk factor for anterior cruciate ligament (ACL) injury. A preventive program targeting neuromuscular control strategies is said to alter the biomechanics of the knee joint and have a beneficial effect on reducing ACL injury. However, the relationship between muscle activity around the knee joint and knee biomechanical risk factors in the badminton landing task is unclear. The purpose of this study was to investigate the relationship between this movement pattern of muscle activity and knee kinematics and kinetics. This experiment analyzed knee muscle activity and biomechanical information in a sample of 34 badminton players (17 male, 17 female) during a badminton landing task. We assessed the relationship between the rectus femoris (RF), medial hamstring (MHAM), lateral hamstring (LHAM), medial gastrocnemius (MGAS), lateral gastrocnemius (LGAS), medial and lateral hamstring to quadriceps co-contraction ratio (MH/Q and LH/Q) with the knee flexion angle, valgus angle, extension moment, valgus moment, and proximal tibial anterior shear force. A moderate negative correlation was found between the peak knee flexion angle and electromyography (EMG) activity in LGAS (r = 0.47, p = 0.0046, R2 = 0.23, 95% CI: 0.16 to 0.70). Peak proximal tibial shear force showed strong and positive correlations with RF EMG activity (r = 0.52, p = 0.0016, R2 = 0.27, 95% CI: 0.22 to 0.73) and strong and negative correlations with MH/Q (r = 0.50, p = 0.0023, R2 = 0.25, 95% CI: 0.20 to 0.72). The knee extension moment showed moderate and positive correlations with RF EMG activity (r = 0.48, p = 0.0042, R2 = 0.23, 95% CI: 0.17 to 0.70) and strong and negative correlations with MH/Q (r = 0.57, p = 0.0004, R2 = 0.33, 95% CI: 0.29 to 0.76). The peak knee valgus moment showed strong and positive correlations with LH/Q (r = 0.55, p = 0.0007, R2 = 0.31, 95% CI: 0.26 to 0.75). Our findings suggest that there is a correlation between lower extremity muscle activity and knee kinematics and kinetics during the single-leg landing task in badminton; therefore, lower extremity muscle activity should be considered when developing rehabilitation or injury prevention programs.
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Affiliation(s)
- Zhe Hu
- Department of Physical Education, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Youngsuk Kim
- Department of Physical Education, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Yanan Zhang
- Department of Physical Education, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Yuxi Zhang
- Department of Physical Education, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Jiaying Li
- Department of Physical Education, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Xuan Tang
- Department of Physical Education, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Jeehoon Sohn
- Department of Physical Education, Jeonju University, Jeonju 55069, Republic of Korea
| | - Sukwon Kim
- Department of Physical Education, Jeonbuk National University, Jeonju 54896, Republic of Korea
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23
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Olivares-Jabalera J, Fílter A, Dos Santos T, Ortega-Domínguez J, Soto Hermoso VM, Requena B. The Safe Landing warm up technique modification programme: An effective anterior cruciate ligament injury mitigation strategy to improve cutting and jump-movement quality in soccer players. J Sports Sci 2022; 40:2784-2794. [PMID: 36958805 DOI: 10.1080/02640414.2023.2193451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 03/15/2023] [Indexed: 03/25/2023]
Abstract
The objective of the study was to evaluate the effectiveness of the Safe Landing (SL), a 6-week technique-modification (TM) programme, on cutting and jump-landing movement quality in football players. In a non-randomized design, 32 male semi-professional football players from two Spanish clubs participated in the study: one served as the control group (CG, n = 11), while the other performed the SL (n = 15). Performance and movement quality of drop vertical jump and 70º change of direction (COD70) were evaluated through 2D video footage pre- and post-intervention. In such tasks, the Landing Error Scoring System for first (LESS1) and second (LESS2) landings, and the Cutting Movement Assessment Score (CMAS) were used for assessing movement quality. Pre-to-post changes and baseline-adjusted ANCOVA were used. Medium-to-large differences between groups at post-test were shown in CMAS, LESS1 and LESS2 (p < 0.082, ղ2 = 0.137-0.272), with small-to-large improvements in SL (p < 0.046, ES=0.546-1.307), and CG remaining unchanged (p > 0.05) pre-to-post. In COD70 performance, large differences were found between groups (p < 0.047, ղ2 = 0.160-0.253), with SL maintaining performance (p > 0.05, ES=0.039-0.420), while CG moderately decreasing performance (p = 0.024, ES=0.753) pre-to-post. The SL is a feasible and effective TM program to improve movement quality and thus potential injury risk in cutting and landing, while not negatively affecting performance.
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Affiliation(s)
- Jesús Olivares-Jabalera
- HUMAN Lab, Sport and Health University Research Institute (iMUDS), Granada, Spain
- HUMAN Lab, Department of Physical Education and Sports, Faculty of Sport Sciences, University of Granada, Granada, Spain
- FSI Sport Research Lab, FSI Lab, Granada, Spain
- Centro de Estudios, Desarrollo e Investigación del Fútbol Extremeño (CEDIFEX). Federación Extremeña de Fútbol
| | - Alberto Fílter
- FSI Sport Research Lab, FSI Lab, Granada, Spain
- Department of Sport and Exercise Sciences, Musculoskeletal Science and Sports Medicine Research Centre, Manchester Metropolitan University, Manchester, UK
| | - Thomas Dos Santos
- FSI Sport Research Lab, FSI Lab, Granada, Spain
- Department of Sport and Exercise Sciences, Musculoskeletal Science and Sports Medicine Research Centre, Manchester Metropolitan University, Manchester, UK
| | - José Ortega-Domínguez
- Centro de Estudios, Desarrollo e Investigación del Fútbol Extremeño (CEDIFEX). Federación Extremeña de Fútbol
| | - Víctor M Soto Hermoso
- HUMAN Lab, Sport and Health University Research Institute (iMUDS), Granada, Spain
- HUMAN Lab, Department of Physical Education and Sports, Faculty of Sport Sciences, University of Granada, Granada, Spain
| | - Bernardo Requena
- HUMAN Lab, Sport and Health University Research Institute (iMUDS), Granada, Spain
- HUMAN Lab, Department of Physical Education and Sports, Faculty of Sport Sciences, University of Granada, Granada, Spain
- FSI Sport Research Lab, FSI Lab, Granada, Spain
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24
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Wu CK, Lin YC, Lai CP, Wang HP, Hsieh TH. Dynamic Taping Improves Landing Biomechanics in Young Volleyball Athletes. Int J Environ Res Public Health 2022; 19:13716. [PMID: 36294294 PMCID: PMC9603199 DOI: 10.3390/ijerph192013716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/16/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
Poor landing biomechanics such as hip adduction, internal rotation, and knee valgus have been recognized as modifiable risk factors of anterior cruciate ligament (ACL) injury. Dynamic taping is a newly developed technique with better elasticity and extensibility, which could change the landing biomechanics. The purpose of this study was to identify whether dynamic taping could improve lower limb biomechanics in athletes. Forty-two high school volleyball athletes (21 males and 21 females) participated in the study. Biomechanical properties, including the landing error scoring system (LESS) and anterior-posterior knee laxity, were evaluated before and after the application of dynamic tape while athletes performed the jump-landing task. As a result, we found that dynamic tape significantly reduced the faulty landing strategy by an average of 0.64 errors in all volleyball athletes. The effect induced by dynamic tape was more prominent in female athletes and high-risk athletes (1.1 errors). Furthermore, the application of dynamic tape improved anterior-posterior knee laxity, especially in female athletes (p < 0.001). In conclusion, we found that dynamic tape provided a short-term, passive, and clinically significant means to normalize inadequate biomechanics during landing in athlete groups, which could have a protective effect and further alleviate the risk of ACL injury.
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Affiliation(s)
- Chih-Kuan Wu
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taoyuan 33305, Taiwan
- Center of Comprehensive Sports Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan 33305, Taiwan
- School of Physical Therapy and Graduate Institute of Rehabilitation Science, Chang Gung University, Taoyuan 33302, Taiwan
| | - Yin-Chou Lin
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taoyuan 33305, Taiwan
- Center of Comprehensive Sports Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan 33305, Taiwan
| | - Chi-Ping Lai
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital, Linkou, Taoyuan 33305, Taiwan
| | - Hsin-Ping Wang
- Center of Comprehensive Sports Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan 33305, Taiwan
| | - Tsung-Hsun Hsieh
- School of Physical Therapy and Graduate Institute of Rehabilitation Science, Chang Gung University, Taoyuan 33302, Taiwan
- Neuroscience Research Center, Chang Gung Memorial Hospital, Linkou, Taoyuan 33305, Taiwan
- Healthy Aging Research Center, Chang Gung University, Taoyuan 33305, Taiwan
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25
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Nascimento N, Sideris V, Read PJ. Biomechanical Analysis of the Tuck Jump Assessment. J Strength Cond Res 2022; 36:2946-2949. [PMID: 36135038 DOI: 10.1519/jsc.0000000000003947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/20/2023]
Abstract
ABSTRACT Nascimento, N, Sideris, V, and Read, PJ. Biomechanical analysis of the tuck jump assessment. J Strength Cond Res 36(10): 2946-2949, 2022-The tuck jump assessment (TJA) examines plyometric technique flaws associated with the increased risk of anterior cruciate ligament injury. Biomechanical data to investigate the mechanics used during the TJA are limited and assessing each jump individually across the entire test period is time inefficient. This study examined performance characteristics and movement mechanics in 16 professional soccer players during a standardized TJA protocol (10 jumps) to determine if sensitive periods exist within the test period (first 5 vs. last 5). Jump height, average power (PW) reactive strength index (RSI), frontal plane projection angle (FPPA), knee angular velocity (AV), and peak knee flexion angle (PKA) were analyzed using an optoelectrical and inertial measurement unit device. Jump height and PW increased in the past 5 jumps displaying a medium effect size (d = > 0.5). A trend was observed of increased AV, FPPA, and PKA during the past 5 jumps; however, no meaningful differences were observed between respective jump phases, and effect sizes were small (d ≤ 0.2). This study indicates that performance metrics increase during the past 5 jumps of a standardized TJA 10-jump protocol; thus, analyzing the entire test period may not be required, providing a time-efficient approach. Caution should be applied if using this protocol as an injury risk screening tool or to identify fatigue related alterations in male professional soccer players as no obvious movement abnormalities were apparent and minimal differences were present between jump phases in a range of kinematic variables across the recorded test duration.
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Affiliation(s)
- Nuno Nascimento
- Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
| | | | - Paul J Read
- Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar
- School of Sport and Exercise, University of Gloucestershire, Gloucester, United Kingdom; and
- Institute of Sport, Exercise and Health, University College London, London, United Kingdom
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26
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Root HJ, Beltz EM, Burland JP, Martinez JC, Bay RC, DiStefano LJ. Preventive Training Program Feedback Complexity, Movement Control, and Performance in Youth Athletes. J Athl Train 2022; 57:894-901. [PMID: 36638343 PMCID: PMC9842129 DOI: 10.4085/1062-6050-0585.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
CONTEXT Preventive training programs (PTPs) reduce injury risk by improving movement control. Corrective feedback is important; however, many cues at once may be too complicated for athletes. OBJECTIVE To compare movement control and long-jump (LJ) changes in youth athletes participating in a season-long PTP, with simplified feedback, traditional feedback, or a warmup of the coaches' choosing. DESIGN Cluster-randomized controlled trial. SETTING Soccer fields. PATIENTS OR OTHER PARTICIPANTS A total of 420 athletes (simplified feedback = 173, traditional feedback = 118, and control = 129; age = 11 ± 3 years). INTERVENTION(S) Teams were randomized into the simplified PTP, traditional PTP, or control group. Simplified and traditional PTPs lasted 10 to 12 minutes and used the same exercises. The simplified PTP provided only sagittal-plane feedback (eg, "get low"), and the traditional PTP provided feedback targeting all motion planes (eg, "don't let your knees cave inward"). Research assistants administered the PTP warmups 2 to 3 times/week for the season. Control team coaches chose and ran their own warmup strategies. MAIN OUTCOME MEASURE(S) Participants completed 4 sessions (preseason [PRE], postseason [POST] at approximately 8 weeks after PRE, retention 1 [R1] at 6 weeks postseason, and retention 2 [R2] at 12 weeks postseason). They performed 3 trials of a jump-landing task, which was evaluated using the Landing Error Scoring System (LESS) and 2 recorded standing LJ trials at each test session. A time series panel was used to evaluate group differences across time points for the LESS and LJ. RESULTS Change score analyses revealed improvements in the LESS score from PRE to POST for all groups. Improvements from PRE were retained at R1 and R2 for the intervention groups (simplified and traditional). The traditional group demonstrated better LJ performance at POST (P < .001) and R1 (P = .049) than the simplified or control group. CONCLUSIONS Simplified cues were as effective as traditional cues in improving LESS scores from PRE to POST season. Participating in PTPs, regardless of their complexity, likely provides movement benefits.
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Affiliation(s)
| | - Eleanor M Beltz
- School of Health Sciences, Northern Vermont University, Marion
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27
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Grooms DR, Diekfuss JA, Slutsky-Ganesh AB, DiCesare CA, Bonnette S, Riley MA, Kiefer AW, Wohl TR, Criss CR, Lamplot J, Thomas SM, Foss KDB, Faigenbaum AD, Wong P, Simon JE, Myer GD. Preliminary Report on the Train the Brain Project, Part II: Neuroplasticity of Augmented Neuromuscular Training and Improved Injury-Risk Biomechanics. J Athl Train 2022; 57:911-920. [PMID: 35271709 PMCID: PMC9842124 DOI: 10.4085/1062-6050-0548.21] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
CONTEXT Neuromuscular training (NMT) facilitates the acquisition of new movement patterns that reduce the anterior cruciate ligament injury risk. However, the neural mechanisms underlying these changes are unknown. OBJECTIVE To determine the relationship between brain activation and biomechanical changes after NMT with biofeedback. DESIGN Cohort study. SETTING Research laboratory. PATIENTS OR OTHER PARTICIPANTS Twenty female high school soccer athletes, with 10 in an augmented NMT group and 10 in a control (no training) group. MAIN OUTCOME MEASURE(S) Ten participants completed 6 weeks of NMT augmented with real-time biofeedback to reduce knee injury-risk movements, and 10 participants pursued no training. Augmented neuromuscular training (aNMT) was implemented with visual biofeedback that responded in real time to injury-risk biomechanical variables. A drop vertical jump with 3-dimensional motion capture was used to assess injury-risk neuromuscular changes before and after the 6-week intervention. Brain-activation changes were measured using functional magnetic resonance imaging during unilateral knee and multijoint motor tasks. RESULTS After aNMT, sensory (precuneus), visual-spatial (lingual gyrus), and motor-planning (premotor) brain activity increased for knee-specific movement; sensorimotor cortex activity for multijoint movement decreased. The knee-abduction moment during landing also decreased (4.66 ± 5.45 newton meters; P = .02; Hedges g = 0.82) in the aNMT group but did not change in the control group (P > .05). The training-induced increased brain activity with isolated knee movement was associated with decreases in knee-abduction moment (r = 0.67; P = .036) and sensorimotor cortex activity for multijoint movement (r = 0.87; P = .001). No change in brain activity was observed in the control group (P > .05). CONCLUSIONS The relationship between neural changes observed across tasks and reduced knee abduction suggests that aNMT facilitated recruitment of sensory integration centers to support reduced injury-risk mechanics and improve sensorimotor neural efficiency for multijoint control. Further research is warranted to determine if this training-related multimodal neuroplasticity enhances neuromuscular control during more complex sport-specific activities.
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Affiliation(s)
- Dustin R. Grooms
- Ohio Musculoskeletal and Neurological Institute, Waltham, MA
- Division of Physical Therapy, School of Rehabilitation and Communication Sciences, College of Health Sciences and Professions, Ohio University, Athens
- Division of Athletic Training, School of Applied Health Sciences and Wellness, College of Health Sciences and Professions, Ohio University, Athens
| | - Jed A. Diekfuss
- Emory Sports Performance And Research Center (SPARC), Flowery Branch, GA
- Emory Sports Medicine Center, Atlanta, GA
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA
| | - Alexis B. Slutsky-Ganesh
- Emory Sports Performance And Research Center (SPARC), Flowery Branch, GA
- Emory Sports Medicine Center, Atlanta, GA
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA
- Department of Kinesiology, University of North Carolina Greensboro
| | | | - Scott Bonnette
- Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, OH
| | - Michael A. Riley
- Department of Rehabilitation, Exercise, and Nutrition Sciences, University of Cincinnati, OH
| | - Adam W. Kiefer
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill
| | - Timothy R. Wohl
- Ohio Musculoskeletal and Neurological Institute, Waltham, MA
| | - Cody R. Criss
- Ohio Musculoskeletal and Neurological Institute, Waltham, MA
| | - Joseph Lamplot
- Emory Sports Performance And Research Center (SPARC), Flowery Branch, GA
- Emory Sports Medicine Center, Atlanta, GA
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA
| | - Staci M. Thomas
- Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, OH
| | - Kim D. Barber Foss
- Emory Sports Performance And Research Center (SPARC), Flowery Branch, GA
- Emory Sports Medicine Center, Atlanta, GA
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA
| | | | - Phil Wong
- Department of Diagnostic Radiology and Imaging Sciences, Division of Musculoskeletal Imaging, Emory University School of Medicine, Atlanta, GA
| | - Janet E. Simon
- Ohio Musculoskeletal and Neurological Institute, Waltham, MA
- Division of Athletic Training, School of Applied Health Sciences and Wellness, College of Health Sciences and Professions, Ohio University, Athens
| | - Gregory D. Myer
- Emory Sports Performance And Research Center (SPARC), Flowery Branch, GA
- Emory Sports Medicine Center, Atlanta, GA
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA
- The Micheli Center for Sports Injury Prevention, Waltham, MA
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Ghanati HA, Letafatkar A, Shojaedin S, Hadadnezhad M, Schöllhorn WI. Comparing the Effects of Differential Learning, Self-Controlled Feedback, and External Focus of Attention Training on Biomechanical Risk Factors of Anterior Cruciate Ligament (ACL) in Athletes: A Randomized Controlled Trial. Int J Environ Res Public Health 2022; 19:ijerph191610052. [PMID: 36011685 PMCID: PMC9408147 DOI: 10.3390/ijerph191610052] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/08/2022] [Accepted: 08/12/2022] [Indexed: 05/13/2023]
Abstract
The current study aimed to compare the possible effects of differential learning strategy, self-controlled feedback, and external focus of attention on kinetic and kinematic risk factors of anterior cruciate ligament (ACL) injury in athletes. Forty-eight male athletes from three sports of handball, volleyball and basketball were selected for this study and were randomly divided into four groups: differential learning (n = 12), self-control feedback (n = 12), external focus (n = 12), and control (n = 12) group. All groups followed the intervention for eight weeks with three sessions per week. Data were analyzed by means of 4 × 2 repeated measures ANOVA followed by post hoc comparison (Bonferroni) at the significance level of p ≤ 0.05. A significant group × time interaction and the main effect of time was found for most kinetic and kinematic variables. The main effect of the group was significant only at the knee abduction angle. Differential learning and external focus of attention methods positively reduced the kinetic and kinematic variables that are considered risk factors for ACL injury. However, the effect sizes (Cohen's d) for the changes in most of the variables were larger for the differential learning group. Tailoring the boundary conditions that are based on the manipulations created in the exercise through variability and variety of movements associated with differential learning methods rather than repeating movements could reduce the risk of ACL injury.
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Affiliation(s)
- Hadi Abbaszadeh Ghanati
- Department of Biomechanics and Sport Injury, Faculty of Physical Education and Sports Sciences, Kharazmi University, Tehran 1571914911, Iran
- Correspondence: (H.A.G.); (A.L.); (W.I.S.)
| | - Amir Letafatkar
- Department of Biomechanics and Sport Injury, Faculty of Physical Education and Sports Sciences, Kharazmi University, Tehran 1571914911, Iran
- Correspondence: (H.A.G.); (A.L.); (W.I.S.)
| | - Sadredin Shojaedin
- Department of Biomechanics and Sport Injury, Faculty of Physical Education and Sports Sciences, Kharazmi University, Tehran 1571914911, Iran
| | - Malihe Hadadnezhad
- Department of Biomechanics and Sport Injury, Faculty of Physical Education and Sports Sciences, Kharazmi University, Tehran 1571914911, Iran
| | - Wolfgang I. Schöllhorn
- Department for Training and Movement Science, Johannes Gutenberg-University Mainz, 55122 Mainz, Germany
- Correspondence: (H.A.G.); (A.L.); (W.I.S.)
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29
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Mattu AT, Ghali B, Linton V, Zheng A, Pike I. Prevention of Non-Contact Anterior Cruciate Ligament Injuries among Youth Female Athletes: An Umbrella Review. Int J Environ Res Public Health 2022; 19:ijerph19084648. [PMID: 35457516 PMCID: PMC9027388 DOI: 10.3390/ijerph19084648] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/06/2022] [Accepted: 04/09/2022] [Indexed: 02/01/2023]
Abstract
Anterior cruciate ligament (ACL) injuries account for a large percentage of knee injuries, disproportionately affecting female athletes. To help health professionals stay current, we performed an umbrella review to evaluate the effectiveness of ACL injury prevention programs in reducing non-contact ACL injury rates, determine the effective components within interventions, and provide clinical recommendations. Twelve databases (Medline, Embase, Cochrane Database of Systematic Reviews, SPORTDiscus, Cumulative Index to Nursing and Allied Health Literature, PEDro, Web of Science Core Collection, Epistemonikos, TRIP, BC Guidelines and Protocols, CPG Infobase, ProQuest Dissertations and Theses Global) were searched in May 2021 to identify relevant systematic reviews and meta-analyses. Four databases were searched again in September 2021 to identify recent primary literature. Non-contact ACL injury data were extracted to calculate incidence rate ratios (IRRs) and these were combined using an inverse variance random-effects model. A qualitative assessment of included reviews was performed. The methodological quality of the studies was assessed using a Measurement Tool to Assess Systematic Reviews 2 (AMSTAR 2) or Cochrane Risk-of-Bias Tool for Randomized Trials (RoB 2). Sixteen reviews and two primary studies met the inclusion criteria. Across 11 primary studies, prevention programs were effective in reducing non-contact ACL injuries by 64% (IRR = 0.36 (95% CI: 0.18–0.70)). A multi-faceted exercise program, beginning in the pre-season and containing at least three exercise types, may be beneficial in reducing ACL injury risk.
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Affiliation(s)
- Anmol T. Mattu
- MD Undergraduate Program, Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
- Correspondence:
| | - Brianna Ghali
- Undergraduate Medical Education, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada;
| | - Vanessa Linton
- BC Injury Research and Prevention Unit, BC Children’s Hospital Research Institute, Vancouver, BC V6H 3V4, Canada; (V.L.); (A.Z.); (I.P.)
| | - Alex Zheng
- BC Injury Research and Prevention Unit, BC Children’s Hospital Research Institute, Vancouver, BC V6H 3V4, Canada; (V.L.); (A.Z.); (I.P.)
| | - Ian Pike
- BC Injury Research and Prevention Unit, BC Children’s Hospital Research Institute, Vancouver, BC V6H 3V4, Canada; (V.L.); (A.Z.); (I.P.)
- Department of Pediatrics, Faculty of Medicine, University of British Columbia, Vancouver, BC V6H 3V4, Canada
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30
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Olivares-Jabalera J, Fílter-Ruger A, Dos’Santos T, Afonso J, Della Villa F, Morente-Sánchez J, Soto-Hermoso VM, Requena B. Exercise-Based Training Strategies to Reduce the Incidence or Mitigate the Risk Factors of Anterior Cruciate Ligament Injury in Adult Football (Soccer) Players: A Systematic Review. Int J Environ Res Public Health 2021; 18:13351. [PMID: 34948963 PMCID: PMC8704173 DOI: 10.3390/ijerph182413351] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/03/2021] [Accepted: 12/14/2021] [Indexed: 01/12/2023]
Abstract
Anterior cruciate ligament (ACL) is one of the most concerning injuries for football players. The aim of this review is to investigate the effects of exercise-based interventions targeting at reducing ACL injury rate or mitigating risk factors of ACL injury in adult football players. Following PRISMA guidelines, a systematic search was conducted in CINAHL, Cochrane Library, PubMed, Scopus, SPORTDiscus and Web of Science. Studies assessing the effect of exercise-based interventions in ACL injury incidence or modifiable risk factors in adult football players were included. 29 studies evaluating 4502 male and 1589 female players were included (15 RCT, 8 NRCT, 6 single-arm): 14 included warm-up, 7 resistance training, 4 mixed training, 3 balance, 1 core stability and 1 technique modification interventions. 6 out of 29 studies investigated the effect of interventions on ACL injury incidence, while the remaining 23 investigated their effect on risk factors. Only 21% and 13% studies evaluating risk of injury variables reported reliability measures and/or smallest worthwhile change data. Warm-up, core stability, balance and technique modification appear effective and feasible interventions to be included in football teams. However, the use of more ecologically valid tests and individually tailored interventions targeting specific ACL injury mechanisms are required.
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Affiliation(s)
- Jesús Olivares-Jabalera
- HUMAN Lab, Sport and Health University Research Institute (iMUDS), University of Granada, 18016 Granada, Spain; (V.M.S.-H.); (B.R.)
- FSI Sport Research Lab, 18016 Granada, Spain; (A.F.-R.); (T.D.); (J.M.-S.)
| | | | - Thomas Dos’Santos
- FSI Sport Research Lab, 18016 Granada, Spain; (A.F.-R.); (T.D.); (J.M.-S.)
- Department of Sport and Exercise Sciences, Musculoskeletal Science and Sports Medicine Research Centre, All Saints Building, Manchester Campus John Dalton Building, Manchester Campus, Manchester Metropolitan University, Manchester M15 6BH, UK
- Manchester Institute of Sport 2.01, Manchester Metropolitan University, Manchester M1 7EL, UK
| | - Jose Afonso
- Centre for Research, Education, Innovation and Intervention in Sport, Faculty of Sports of the University of Porto, Rua Dr. Plácido Costa, 91, 4200-450 Porto, Portugal;
| | - Francesco Della Villa
- Education and Research Department, Isokinetic Medical Group, FIFA Medical Centre of Excellence, 40132 Bologna, Italy;
| | | | - Víctor Manuel Soto-Hermoso
- HUMAN Lab, Sport and Health University Research Institute (iMUDS), University of Granada, 18016 Granada, Spain; (V.M.S.-H.); (B.R.)
| | - Bernardo Requena
- HUMAN Lab, Sport and Health University Research Institute (iMUDS), University of Granada, 18016 Granada, Spain; (V.M.S.-H.); (B.R.)
- FSI Sport Research Lab, 18016 Granada, Spain; (A.F.-R.); (T.D.); (J.M.-S.)
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Chia L, Myer GD, Hewett TE, McKay MJ, Sullivan J, Ford KR, Pappas E. When puberty strikes: Longitudinal changes in cutting kinematics in 172 high-school female athletes. J Sci Med Sport 2021; 24:1290-1295. [PMID: 34384683 DOI: 10.1016/j.jsams.2021.07.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 07/21/2021] [Accepted: 07/27/2021] [Indexed: 12/24/2022]
Abstract
OBJECTIVES Young female athletes involved in high-speed cutting and change-of-direction sports are particularly susceptible to anterior cruciate ligament (ACL) injuries. Little is known if maturational changes in cutting technique contribute to the increased injury risk. Our objective was to examine longitudinal changes in cutting kinematics in female athletes as they matured through puberty. DESIGN Longitudinal cohort study METHODS: High school female athletes (n=172) performed an unanticipated 45° cutting task in the biomechanics laboratory across two or more pubertal stages. Pubertal stages were classified using a modified Pubertal Maturational Observational Scale (pre-, mid-, or post-pubertal stages). Generalized linear mixed models were used to compare kinematics across pubertal stages. RESULTS As girls matured through puberty, they displayed a decrease in sagittal-plane hip (1.8-2.6°, p<0.03) and knee range-of-motion (ROM) (2.7-2.9°, p≤0.01), and decreased peak hip (2.9-3.2°, p≤0.02) and knee flexion angles (2.7-2.9°, p≤0.01), which is indicative of greater quadriceps dominance. Peak knee abduction angles also increased as girls progressed through puberty (0.9-1.4°, p≤0.02), suggesting greater ligament dominance. In terms of trunk dominance, there were mixed findings with a decrease in trunk frontal- (2.5-5.7°, p≤0.03) and sagittal-plane ROM (2.0°, p≤0.01), but an increase in trunk transverse-plane ROM (2.8-3.6°, p≤0.02) observed as girls mature. Other significant changes in cutting technique were decreased peak trunk flexion (3.8-7.8°, p≤0.01), and decreased hip flexion (2.9-3.3°, p≤0.02) and knee flexion angles (2.0-3.0°, p≤0.03) at initial contact, suggesting a more upright and stiffer cutting posture. CONCLUSIONS As girls mature through puberty, there is a change in cutting strategy characterized by greater quadriceps and ligament dominance.
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Affiliation(s)
- Lionel Chia
- Discipline of Physiotherapy, Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Australia.
| | - Gregory D Myer
- Emory Sport Performance and Research Center, USA; Emory Sports Medicine Center, USA; Department of Orthopaedics, Emory University School of Medicine, USA; The Micheli Center for Sports Injury Prevention, USA
| | - Timothy E Hewett
- Hewett Global Consulting, USA; The Rocky Mountain Consortium for Sports Research, USA
| | - Marnee J McKay
- Discipline of Physiotherapy, Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Australia
| | - Justin Sullivan
- Discipline of Physiotherapy, Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Australia
| | - Kevin R Ford
- Department of Physical Therapy, Congdon School of Health Sciences, High Point University, USA
| | - Evangelos Pappas
- Discipline of Physiotherapy, Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Australia
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Suzuki H, Murai A, Ikegami Y, Uchiyama E, Yamamoto K, Yamada A, Mizutani Y, Kawaguchi K, Taketomi S, Nakamura Y. Muscle Activity Estimation at Drop Vertical Jump Landing Using Passive Muscle Mechanical Model. Annu Int Conf IEEE Eng Med Biol Soc 2021; 2021:4722-4727. [PMID: 34892266 DOI: 10.1109/embc46164.2021.9630537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Among the various elements that facilitate the movement of the lower limbs, the anterior cruciate ligament (ACL) is prone to injury. An adequate joint control of the lower limb can prevent ACL injury. Balancing activities between the agonist and the antagonist muscles is vital for joint control. However, prior studies on muscle activities were limited since they could not determine passive muscle activities. In this study, we develop a muscle model considering the passive properties to analyze the movement mechanism of the ACL under heavy loads, such as those produced during jump landing. We estimated the muscle activities occurring during a drop vertical jump (DVJ) by applying to the proposed method the physiological constraint that muscle activities are constant during a short time around landing. In addition, the knee joint torque and muscle forces were calculated from the estimated muscle activities, which were thereafter compared with those obtained using the conventional method. The results revealed that this passive muscle model appropriately represented the knee joint torque at DVJ landing by decreasing the passive muscle strain and increasing the isometric maximum muscle force. Moreover, the estimated muscle activities were larger than those obtained using the conventional method, which may be caused by the co-contraction between agonist and antagonist muscles that cannot be represented by the conventional method. This muscle co-contraction estimation algorithm would estimate the muscle load under heavy loads, and applying this knowledge to training would help to prevent ACL injuries.
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van der Merwe C, Shultz SP, Colborne GR, Fink PW. Foot Muscle Strengthening and Lower Limb Injury Prevention. Res Q Exerc Sport 2021; 92:380-387. [PMID: 32633706 DOI: 10.1080/02701367.2020.1739605] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 03/02/2020] [Indexed: 06/11/2023]
Abstract
Background and objectives: The active and passive structures of the foot act in unison to not only be compliant enough to assist in ground reaction force attenuation but also resist deformation to provide a stable base of support. A foot that is unable to adjust to the imposed demands during high-intensity sporting activities may alter the moments and forces acting on the joints, increasing the risk of non-contact anterior cruciate ligament ruptures (ACLR) and lateral ankle sprains (LAS). Prophylactic strengthening programs are often used to reduce the risk of these injuries, but at present, very few prophylactic programs include foot-specific strengthening strategies. The aim of this theoretical review is to ascertain the prophylactic role strengthening muscles acting on the foot may have on ACLR and LAS injury risk. Methods: Literature relating to risk factors associated with ACLR and LAS injury and the anatomy and biomechanics of normal foot function was searched. In addition, ACLR and LAS injury prevention programs were also sought. A theoretical, narrative approach was followed to synthesize the information gathered from the articles. Results: The foot segments are governed by the congruity of the articulations and the activity of the foot muscles. As such, there is a coupling effect between shank, calcaneus, midfoot, and hallux movement which play a role in both ACLR and LAS injury risk. Conclusions: Strengthening the muscles acting on the foot may have a significant impact on ACLR and LAS injury risk.
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Petushek EJ, Mørtvedt AI, Nelson BL, Hamati MC. The Effect of a Brief, Web-Based Animated Video for Improving Comprehension and Implementation Feasibility for Reducing Anterior Cruciate Ligament Injury: A Three-Arm Randomized Controlled Trial. Int J Environ Res Public Health 2021; 18:9092. [PMID: 34501680 PMCID: PMC8431316 DOI: 10.3390/ijerph18179092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/20/2021] [Accepted: 08/20/2021] [Indexed: 11/27/2022]
Abstract
Neuromuscular injury prevention training (IPT) has been shown to reduce anterior cruciate ligament (ACL) injury risk by approximately 50%, but the implementation rate is low. One of the most important modifiable barriers for implementation is coaches' comprehension of risk and intervention strategies. This study aimed to evaluate the effect of a brief, web-based, animated video on ACL injury prevention comprehension and IPT implementation feasibility. Coaches in landing and cutting sports were recruited and randomized into three groups. (1) Intervention: brief multimedia animated video about ACL injury and prevention. (2) Active control: commonly accessed, text-based web resource about ACL injury and prevention. (3) Placebo control: brief multimedia video about concussions. Overall ACL comprehension-composed of basic ACL knowledge, risk knowledge, prevention knowledge, and severity knowledge-as well as implementation feasibility were all measured prior to and immediately following the interventions. Overall ACL comprehension improved the most in the animated video group (Cohen's d = 0.86) and, to a lesser degree, in the active control web-based article group (Cohen's d = 0.39). Both video and web-based article groups had greater implementation feasibility compared to the control group (p = 0.01). Overall, these initial results suggest that a brief, web-based, animated video has the potential to be a superior method for informing stakeholders in order to reduce traumatic injuries in sport.
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Affiliation(s)
- Erich J. Petushek
- Department of Cognitive and Learning Sciences, Michigan Technological University, Houghton, MI 49931, USA; (A.I.M.); (B.L.N.)
- Health Research Institute, Michigan Technological University, Houghton, MI 49931, USA
| | - Anne Inger Mørtvedt
- Department of Cognitive and Learning Sciences, Michigan Technological University, Houghton, MI 49931, USA; (A.I.M.); (B.L.N.)
| | - Brittany L. Nelson
- Department of Cognitive and Learning Sciences, Michigan Technological University, Houghton, MI 49931, USA; (A.I.M.); (B.L.N.)
| | - Mary C. Hamati
- Department of Orthopedics, School of Medicine, University of Colorado, Aurora, CO 80045, USA;
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Marois B, Tan XW, Pauyo T, Dodin P, Ballaz L, Nault ML. Can a Knee Brace Prevent ACL Reinjury: A Systematic Review. Int J Environ Res Public Health 2021; 18:ijerph18147611. [PMID: 34300065 PMCID: PMC8303933 DOI: 10.3390/ijerph18147611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/13/2021] [Accepted: 07/14/2021] [Indexed: 12/03/2022]
Abstract
This systematic review aimed to investigate whether the use of a knee brace when returning to sport (RTS) could prevent a second injury after anterior cruciate ligament reconstruction (ACLR). This study was registered with the PROSPERO database and followed PRISMA guidelines. A systematic search of PubMed, Ovid Medline, Ovid All EBM Reviews, Ovid Embase, EBSCO Sportdiscus and ISI Web of Science databases for meta-analysis, randomized controlled trials and prospective cohort studies published before July 2020 was undertaken. The inclusion criteria were: (1) Comparing with and without a brace at RTS, (2) follow up of at least 18 months after ACLR, (3) reinjury rates included in the outcomes. Two reviewers independently extracted the data. Quality appraisal analyses were performed for each study using the Cochrane Collaboration tools for randomized and nonrandomized trials. A total of 1196 patients in three studies were included. One study showed a lower rate of reinjury when wearing a knee brace at RTS. One study found the knee brace to have a significant protective effect for younger patients (≤17 years). The effectiveness of knee bracing when RTS remains ambiguous. Current data cannot support that using a knee brace when RTS will decrease the rate of reinjury after ACL reconstruction.
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Affiliation(s)
- Bianca Marois
- CHU Ste-Justine, 7905-3175 Côte Ste-Catherine, Montréal, QC H3T 1C5, Canada; (B.M.); (P.D.); (L.B.)
| | - Xue Wei Tan
- Department of Surgery, Université de Montréal, 2900 boul. Edouard-Montpetit, Montreal, QC H3T 1J4, Canada;
| | - Thierry Pauyo
- Shriners Hospital, McGill University Health Center, 1003 Decarie Blvd, Montreal, QC H4A 0A9, Canada;
| | - Philippe Dodin
- CHU Ste-Justine, 7905-3175 Côte Ste-Catherine, Montréal, QC H3T 1C5, Canada; (B.M.); (P.D.); (L.B.)
| | - Laurent Ballaz
- CHU Ste-Justine, 7905-3175 Côte Ste-Catherine, Montréal, QC H3T 1C5, Canada; (B.M.); (P.D.); (L.B.)
| | - Marie-Lyne Nault
- CHU Ste-Justine, 7905-3175 Côte Ste-Catherine, Montréal, QC H3T 1C5, Canada; (B.M.); (P.D.); (L.B.)
- Department of Surgery, Université de Montréal, 2900 boul. Edouard-Montpetit, Montreal, QC H3T 1J4, Canada;
- Correspondence: ; Tel.: +1-514-345-6672
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García-Luna MA, Cortell-Tormo JM, García-Jaén M, Ortega-Navarro M, Tortosa-Martínez J. Acute Effects of ACL Injury-Prevention Warm-Up and Soccer-Specific Fatigue Protocol on Dynamic Knee Valgus in Youth Male Soccer Players. Int J Environ Res Public Health 2020; 17:ijerph17155608. [PMID: 32759692 PMCID: PMC7432391 DOI: 10.3390/ijerph17155608] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/30/2020] [Accepted: 07/31/2020] [Indexed: 12/19/2022]
Abstract
Childhood anterior cruciate ligament (ACL) injuries—which can pose a major risk to a child’s sporting career—have been on the rise in the last few decades. Dynamic knee valgus (DKV) has been linked to an increased risk of ACL injury. Therefore, the aim of this study was to analyze the acute effects of an ACL injury prevention protocol (ACL-IPP) and a soccer-specific fatigue protocol (SSFP) on DKV in youth male soccer players. The research hypothesis was that DKV would be reduced by the ACL-IPP and increased by the SSFP. Eighteen youth male soccer players were divided according to baseline DKV. Those with moderate or large DKV performed a neuromuscular training protocol based on activation of the abductor and external rotator hip muscles. Those with little or no DKV performed a soccer-specific fatigue protocol. DKV was assessed using the single-leg squat pre- and post-protocols in both legs. The ACL-IPP significantly decreased DKV during single-leg squat (p < 0.01, effect size = 1.39), while the SSFP significantly increased baseline DKV in the dominant leg during single-leg squat (p = 0.012; effect size = 1.74). In conclusion, the ACL-IPP appears to acutely reduce the DKV in youth male soccer players, and the SSFP seems to acutely increase the DKV in those players who showed a light or no DKV in a non-fatigue situation. By using the SSFP, it may be possible to determine which players would benefit from injury prevention programs due to increased DKV during game scenarios, while hip abductor and external rotator neuromuscular training may be beneficial for players who have moderate and severe DKV during single-leg squat under non-fatigued scenarios.
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Uchiyama E, Suzuki H, Ikegami Y, Nakamura Y, Taketomi S, Kawaguchi K, Mizutani Y, Doi T. Muscles Cooperation Analysis Using Akaike Information Criteria for Anterior Cruciate Ligament Injury Prevention. Annu Int Conf IEEE Eng Med Biol Soc 2020; 2020:4799-4802. [PMID: 33019064 DOI: 10.1109/embc44109.2020.9175811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this paper, we propose the analysis method for finding out the similarity of the muscle force patterns to mine the risk factor of the anterior cruciate ligament (ACL) injury. Akaike information criteria (AIC) under the assumption of the auto-regression model is adapted to analyze the similarities of muscle force patterns in time-series. The difference of AIC values between 2 muscles is considered to be the distance between 2 muscle force patterns and the dexterity of the maneuver is expected to be discussed. We measured drop vertical jump (DVJ) and use the data around the contact timing of whom hadn't had ACL injury experiments. The results showed that we could successfully calculate AIC distance according to the similarity of the time-series data pattern and it can be useful to discuss one's dexterity of controlling body maneuvers soon after contact timing of DVJ motion.
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van Meer BL, Zwerver J, Meuffels DE. [Preventing anterior cruciate ligament injury in children is effective]. Ned Tijdschr Geneeskd 2020; 164:D4978. [PMID: 32749809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
An anterior cruciate ligament (ACL) injury in children is a devastating injury. After an ACL injury 1 in 3 children obtain a second injury of the ipsilateral or contralateral ACL. Children who suffer an ACL injury also have a ten times higher risk of osteoarthritis. Preventative training programmes can decrease the risk of acute knee injuries in young sportspeople; however, implementation of these prevention programmes is challenging, so it is important to inform associations, clubs, youth trainers and parents about the added value of these programmes. Children with ACL injuries must receive specialized guidance during rehabilitation, regardless of whether they have been treated conservatively or surgically. Because of the risk of a second ACL injury,we recommend that children should not to return to pivoting sports until at least 12 months after surgery for ACL.
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Affiliation(s)
- Belle L van Meer
- Erasmus MC, afd. Orthopedie en Sportgeneeskunde, Rotterdam
- Contact: Belle L. van Meer
| | - J Zwerver
- Ziekenhuis Gelderse Vallei, afd. Sportgeneeskunde, Ede
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Abstract
Neuromuscular fatigue is a commonly accepted risk factor for anterior cruciate ligament (ACL) injury. It has been proposed that fatigue leads to transient reductions in muscle strength, and deleterious changes in lower limb kinematics and kinetics, during potentially hazardous tasks such as cutting or landing. The purpose of this clinical commentary is to (1) highlight the complexity of fatigue; (2) discuss the theoretical basis by which it is thought to contribute to ACL injury; and (3) critically discuss the evidence underpinning this hypothesis. Despite a significant amount of research, none of the published fatigue protocols appear to have any consistent effect on any lower limb kinematic or kinetic variables known to increase ACL injury risk. On the contrary, fatigued athletes appear to land with greater peak knee and hip flexion angles, and lower landing forces than unfatigued athletes-all of which are considered favourable movement strategies for reducing ACL loading. These data support recent analyses demonstrating no relationship between player workload in training and competition and the occurrence of ACL injury in sport.
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Affiliation(s)
- Matthew N Bourne
- School of Allied Health Sciences, Griffith University, Gold Coast, QLD, Australia.
| | - Kate E Webster
- School of Allied Health, La Trobe University, Melbourne, VIC, Australia
| | - Timothy E Hewett
- Mayo Clinic Biomechanics Laboratories and Sports Medicine Research Center, Departments of Orthopedic Surgery, and of Physical Medicine and of Physiology & Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
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Bruder AM, Crossley KM, Mosler AB, Patterson B, Haberfield M, Donaldson A. Co-creation of a sport-specific anterior cruciate ligament injury risk reduction program for women: A concept mapping approach. J Sci Med Sport 2020; 23:353-360. [PMID: 31734167 DOI: 10.1016/j.jsams.2019.10.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 09/18/2019] [Accepted: 10/26/2019] [Indexed: 01/16/2023]
Abstract
OBJECTIVES To engage physiotherapists experienced in female elite sport and athletes to co-create a sport-specific anterior cruciate ligament (ACL) injury risk reduction program. DESIGN Concept Mapping. METHODS The Concept Systems Global MAX™ web platform was used to collect and analyse data from 27 context and content experts (22 physiotherapists, 5 athletes). Participants brainstormed statements representing the critical elements that should be included in an ACL injury risk reduction program for women playing elite Australian Football (AF). RESULTS Twenty-two participants brainstormed 56 statements that were synthesised and edited to 62 statements. Statements were sorted into clusters by twenty-three participants and rated on importance and feasibility using six-point scales. Multidimensional scaling and cluster analysis identified a 5-cluster solution as follows: Football-specific preparation (15 statements); Movement skills (17 statements); Strength and conditioning (15 statements); Individual preparation (7 statements); and Education (8 statements). Calculation of mean ratings for each cluster and statement identified the Movement skills cluster as most important (mean=3.61 out of 5) and the Football-specific preparation cluster as most feasible (3.75 out of 5). By contrast, the Individual preparation cluster was rated the least important (mean=2.9 out of 5), and the least feasible (3.12 out of 5), to include in the program. CONCLUSIONS The five clusters of critical elements to include in an ACL injury risk reduction program for women playing elite AF, in order of most to least importance were: movement skills, football-specific preparation, education, strength and conditioning and individual preparation.
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Affiliation(s)
- A M Bruder
- School of Allied Health, Human Services and Sport, La Trobe University, Australia; La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Australia.
| | - K M Crossley
- School of Allied Health, Human Services and Sport, La Trobe University, Australia; La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Australia
| | - A B Mosler
- School of Allied Health, Human Services and Sport, La Trobe University, Australia; La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Australia
| | - B Patterson
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Australia
| | - M Haberfield
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Australia
| | - A Donaldson
- Centre for Sport and Social Impact, La Trobe University, Australia
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Bonnette S, DiCesare CA, Kiefer AW, Riley MA, Foss KDB, Thomas S, Diekfuss JA, Myer GD. A Technical Report on the Development of a Real-Time Visual Biofeedback System to Optimize Motor Learning and Movement Deficit Correction. J Sports Sci Med 2020; 19:84-94. [PMID: 32132831 PMCID: PMC7039015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 11/08/2019] [Indexed: 06/10/2023]
Abstract
This technical report describes the design and implementation of a novel biofeedback system to reduce biomechanical risk factors associated with anterior cruciate ligament (ACL) injuries. The system provided objective real-time biofeedback driven by biomechanical variables associated with increased ACL injury risk without the need of a present expert. Eleven adolescent female athletes (age = 16.7 ± 1.34 yrs; height = 1.70 ± 0.05 m; weight = 62.20 ± 5.63 kg) from the same varsity high school volleyball team were enrolled in the experiment. Participants first completed 10 bodyweight squats in the absence of the biofeedback (pretest), 40 bodyweight squats while interacting with the biofeedback, and a final 10 bodyweight squats in the absence of the biofeedback (posttest). Participants also completed three pretest drop vertical jumps and three posttest drop vertical jumps. Results revealed significant improvements in squat performance, as quantified by a novel heat map analysis, from the pretest to the posttest. Additionally, participants displayed improvements in landing mechanics during the drop vertical jump. This study demonstrates that participants were able to interact effectively with the real-time biofeedback and that biomechanical improvements observed during squatting translated to a separate task.
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Affiliation(s)
- Scott Bonnette
- The SPORT Center, Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH Cincinnati Children's Hospital and Medical Center, Cincinnati, OH
| | - Christopher A DiCesare
- The SPORT Center, Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH Cincinnati Children's Hospital and Medical Center, Cincinnati, OH
| | - Adam W Kiefer
- The SPORT Center, Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH Cincinnati Children's Hospital and Medical Center, Cincinnati, OH
- Center for Cognition, Action, & Perception, Department of Psychology, University of Cincinnati, Cincinnati, OH
- Department of Exercise and Sport Science, University of North Carolina at Chapel Hill
| | - Michael A Riley
- Center for Cognition, Action, & Perception, Department of Psychology, University of Cincinnati, Cincinnati, OH
| | - Kim D Barber Foss
- The SPORT Center, Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH Cincinnati Children's Hospital and Medical Center, Cincinnati, OH
| | - Staci Thomas
- The SPORT Center, Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH Cincinnati Children's Hospital and Medical Center, Cincinnati, OH
| | - Jed A Diekfuss
- The SPORT Center, Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH Cincinnati Children's Hospital and Medical Center, Cincinnati, OH
| | - Gregory D Myer
- The SPORT Center, Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH Cincinnati Children's Hospital and Medical Center, Cincinnati, OH
- Departments of Pediatrics and Orthopaedic Surgery, University of Cincinnati College of Medicine, Cincinnati, OH, US
- The Micheli Center for Sports Injury Prevention, Waltham, MA, USA
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Nasseri A, Khataee H, Bryant AL, Lloyd DG, Saxby DJ. Modelling the loading mechanics of anterior cruciate ligament. Comput Methods Programs Biomed 2020; 184:105098. [PMID: 31698195 DOI: 10.1016/j.cmpb.2019.105098] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 09/23/2019] [Accepted: 09/25/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND AND OBJECTIVES The anterior cruciate ligament (ACL) plays a crucial role in knee stability and is the most commonly injured knee ligament. Although ACL loading patterns have been investigated previously, the interactions between knee loadings transmitted to ACL remain elusive. Understanding the loading mechanism of ACL during dynamic tasks is essential to prevent ACL injuries. Therefore, we propose a computational model that predicts the force applied to ACL in response to knee loading in three planes of motion. METHODS First, a three-dimensional (3D) computational model was developed and validated using available cadaveric experimental data to predict ACL force. This 3D model was then combined with a neuromusculoskeletal model of lower limb and used to estimate in vivo ACL forces during a standardised drop-landing task. The neuromusculoskeletal model utilised movement data collected from female participants during a dynamic task and calculated lower limb joint kinematics and kinetics, as well as muscle forces. RESULTS The total ACL force predicted by the 3D computational ACL force model was in good agreement with cadaveric data, as strong correlation (r2 = 0.96 and P < 0.001), minimal bias, and narrow limits of agreement were observed. The combined model further illustrated that the ACL is primarily loaded through the sagittal plane, mainly due to muscle loading. CONCLUSIONS The proposed computational model is the first validated model that can provide an accessible tool to develop and test knee ACL injury prevention programs for people with normal ACL. This method can be extended to study the abnormal ACL upon the availability of relevant experimental data.
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Affiliation(s)
- Azadeh Nasseri
- School of Allied Health Sciences, Griffith University, Australia; Griffith Centre of Biomedical and Rehabilitation Engineering, Menzies Health Institute Queensland, Griffith University, Australia.
| | - Hamid Khataee
- School of Mathematics and Physics, The University of Queensland, St. Lucia, Brisbane, Australia
| | - Adam L Bryant
- Centre for Exercise, Health & Sports Medicine, University of Melbourne, Australia
| | - David G Lloyd
- School of Allied Health Sciences, Griffith University, Australia; Griffith Centre of Biomedical and Rehabilitation Engineering, Menzies Health Institute Queensland, Griffith University, Australia
| | - David J Saxby
- School of Allied Health Sciences, Griffith University, Australia; Griffith Centre of Biomedical and Rehabilitation Engineering, Menzies Health Institute Queensland, Griffith University, Australia
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Staynor JMD, Alderson JA, Byrne S, Rossi M, Donnelly CJ. By failing to prepare, you are preparing your anterior cruciate ligament to fail. Scand J Med Sci Sports 2020; 30:303-311. [PMID: 31605551 DOI: 10.1111/sms.13571] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 09/17/2019] [Accepted: 10/07/2019] [Indexed: 01/14/2023]
Abstract
There is strong evidence linking an athlete's movement technique during sidestepping with anterior cruciate ligament (ACL) injury risk. However, it is unclear how these injurious postures are influenced by prior movement. We aim to describe preparatory trunk and thigh kinematics at toe-off of the penultimate-step and flight-phase angular momenta, and explore their associations with frontal-plane risk factors during unplanned sidestepping maneuvers. We analyzed kinematic and kinetic data of 33 male Australian Football players performing unplanned sidestepping tasks (103 trials). Linear mixed models tested for reliable associations between ACL injury risk during weight acceptance of the execution-step, with preparatory kinematics and angular momenta of the trunk and thigh during the penultimate-step. Multi-planar flight-phase trunk momenta along with hip abduction angle at penultimate-step toe-off were significantly associated with peak knee valgus moments during the execution-step (R2 = .21, P < .01). Execution-step trunk lateral flexion was significantly predicted by frontal and sagittal-plane preparatory trunk positioning at toe-off of the penultimate-step (R2 = .44, P < .01). Multi-planar flight-phase trunk momenta as well as multi-planar trunk and hip positioning at penultimate-step toe-off were associated with hip abduction during the execution-step (R2 = .53, P < .01). Preparatory positioning of the trunk and hip, along with flight-phase trunk momentum adjusting this positioning are linked to known ACL injury risk factors. We recommend that during the penultimate-step athletes maintain an upright trunk, as well as minimize frontal-plane trunk momentum and transverse-plane trunk momentum toward the sidestep direction to reduce risk of ACL injury during unplanned sidesteps.
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Affiliation(s)
- Jonathan M D Staynor
- School of Human Sciences (Exercise and Sport Science), University of Western Australia, Crawley, WA, Australia
| | - Jacqueline A Alderson
- School of Human Sciences (Exercise and Sport Science), University of Western Australia, Crawley, WA, Australia
- Auckland University of Technology, Sports Performance Research Institute New Zealand (SPRINZ), Auckland, New Zealand
| | - Sean Byrne
- School of Human Sciences (Exercise and Sport Science), University of Western Australia, Crawley, WA, Australia
| | - Marcel Rossi
- School of Human Sciences (Exercise and Sport Science), University of Western Australia, Crawley, WA, Australia
- Singapore Sports Institute, Singapore Sports, Singapore, Singapore
| | - Cyril J Donnelly
- School of Human Sciences (Exercise and Sport Science), University of Western Australia, Crawley, WA, Australia
- Rehabilitation Research Institute of Singapore, Nanyang Technological University, Singapore, Singapore
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Abstract
BACKGROUND Handball is one of the most popular team sports in Germany, as well as one of the most dangerous ones. Injury rates in Germany are higher amongst handball professionals than in soccer, with the knee being the most commonly injured joint. To prevent injuries, a functional inert stability is necessary, but definitions and objective measures are lacking. OBJECTIVES Establishing valid reference data of functional knee stability in amateur handball players with use of an established test battery giving objective measures METHODS: 261 athletes (f:130; m:131), mean age 25.1 ± 5.8 y were screened during the preseason. The test battery consisted of double and single-leg counter movement jumps, balance tests, agility, parkour, quick feet test and plyometric jumps. RESULTS Significant differences between males and females were noted in regard to balance scores (favour for females p ≤ 0.001), as well as jump height, agility and speed tests (favour for males [p ≤ 0.002-0.001]). CONCLUSION The noted differences once again bring focus to the interindividual presence of risk factors, because female and male handball athletes have gender-specific ground levels. These attributes have to be considered in further screening and prevention programs, as well as in the context of the return-to-sports decision after injury. The given data may serve as objective reference measures.
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Affiliation(s)
- C Mayer
- Universitätsklinik für Orthopädie und Unfallchirurgie, Pattbergstraße 1, 45239, Essen, Deutschland.
| | - A Rühlemann
- Universitätsklinik für Orthopädie und Unfallchirurgie, Pattbergstraße 1, 45239, Essen, Deutschland
| | - M Jäger
- Klinik für Unfall‑, Wiederherstellungs- & Orthopädische Chirurgie, St. Marien-Hospital Mülheim an der Ruhr, Mülheim/Ruhr, Deutschland
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Mazumder O, Chakravarty K, Chatterjee D, Sinha A, Poduval M. Musculoskeletal modeling to predict and reduce Antetrior Cruciate Ligament injury during single leg drop jump activity: Synergistic muscle co-activation approach. Annu Int Conf IEEE Eng Med Biol Soc 2019; 2019:4108-4112. [PMID: 31946774 DOI: 10.1109/embc.2019.8856321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
This paper presents a `drop jump' modeling to study the effect of synergistic muscle activation on controlling Anterior Cruciate Ligament (ACL) injury. ACL injuries are mostly caused during high impact loading. A full body musculoskeletal model with knee ligaments have been developed in `OpenSim platform' to simulate ACL injury during drop jump activity. The model is used to quantify the effect of change in muscle activation on different kinetic and kinematic parameters, which are associated with ACL injury. A neuromusculoskeletal controller have been designed which selects optimal muscle activation of Quadriceps, Hamstrings, Gastrocnemius and Tibilias anterior muscle group so as to reduce the chance of ACL injury and ankle inversion risk while jumping from elevated platforms. The OpenSim model along with the neuro-muscular controller forms an injury `predict-adapt' system, which can be useful in designing specific training sessions for athletics or for planning personalized rehabilitation therapy.
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Abstract
GENERAL AND CRITICAL REVIEW FORMAT The evolution of clinical practice and medical technology has yielded an increasing number of clinical measures and tests to assess a patient's progression and return to sport readiness after injury. The plethora of available tests may be burdensome to clinicians in the absence of evidence that demonstrates the utility of a given measurement. OBJECTIVE Thus, there is a critical need to identify a discrete number of metrics to capture during clinical assessment to effectively and concisely guide patient care. DATA SOURCES The data sources included Pubmed and PMC Pubmed Central articles on the topic. Therefore, we present a systematic approach to injury risk analyses and how this concept may be used in algorithms for risk analyses for primary anterior cruciate ligament (ACL) injury in healthy athletes and patients after ACL reconstruction. MAIN RESULTS In this article, we present the five-factor maximum model, which states that in any predictive model, a maximum of 5 variables will contribute in a meaningful manner to any risk factor analysis. CONCLUSIONS We demonstrate how this model already exists for prevention of primary ACL injury, how this model may guide development of the second ACL injury risk analysis, and how the five-factor maximum model may be applied across the injury spectrum for development of the injury risk analysis.
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Affiliation(s)
- Timothy E. Hewett
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
- Department of Sports Medicine, Sports Health and Performance Institute, The Ohio State University, Columbus, Ohio
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota
| | - Kate E. Webster
- School of Allied Health, La Trobe University, Melbourne, Australia
| | - Wendy J. Hurd
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
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Morgan KD, Donnelly CJ, Reinbolt JA. Empirical Based Modeling for the Assessment of Dynamic Knee Stability: Implications for Anterior Cruciate Ligament Injury Risk. Annu Int Conf IEEE Eng Med Biol Soc 2018; 2018:1676-1679. [PMID: 30440717 DOI: 10.1109/embc.2018.8512631] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Anterior cruciate ligament (ACL) injuries are common sports injuries, costing the U.S. roughly $1 billion annually. To better understand the underlying injury mechanism, Nyquist and Bode stability criteria were applied to assess frontal plane dynamic knee stability among male Australian Football players during the weight-acceptance phase of single-leg jump landing. Out of 30 landings, 19 were classified as stable and 11 as unstable. Medial and lateral vasti, hamstring and gastrocnemii muscle activation waveforms were analyzed in parallel to determine if individuals with stable and unstable frontal plane joint biomechanics possessed different lower limb neuromuscular strategies. The total quadriceps muscle activation during the stable landings were significantly higher (p=0.02) than during the unstable landings. Additionally, the vasti exhibited a medial dominance during the stable landings compared to the unstable (p=0.06). These results suggest that individuals with unstable frontal plane knee landing mechanics may have reduced recruitment of the muscles crossing the knee; specifically, the medial muscles, which could limit their ability to compress and support the joint. The stability criteria were able to classify stable and unstable knee mechanics. And the differences in muscle activation during these stable and unstable landings provided new insights towards the ACL injury mechanism and possible injury prevention countermeasures.
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Barfod KW, Rasmussen R, Blaabjerg B, Hölmich P, Lind M. [Return to play after anterior cruciate ligament reconstruction]. Ugeskr Laeger 2018; 180:V11170846. [PMID: 29938644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
After anterior cruciate ligament (ACL) reconstruction, 30% of the patients aged 20 years and younger experience a second injury. Studies imply, that with the right rehabilitation and testing many of these injuries can be prevented. Return to play should not be allowed until nine months after surgery at the earliest and should be based on relevant testing of strength, function and mental readiness.
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Paulson W, Slattengren AH. Effectiveness of ACL Injury Prevention Programs. Am Fam Physician 2018; 97:Online. [PMID: 29431970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Affiliation(s)
- Will Paulson
- University of Minnesota Department of Family Medicine and Community Health, Minneapolis, MN, USA
| | - Andrew H Slattengren
- University of Minnesota Department of Family Medicine and Community Health, Minneapolis, MN, USA
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Mehl J, Diermeier T, Herbst E, Imhoff AB, Stoffels T, Zantop T, Petersen W, Achtnich A. Evidence-based concepts for prevention of knee and ACL injuries. 2017 guidelines of the ligament committee of the German Knee Society (DKG). Arch Orthop Trauma Surg 2018; 138:51-61. [PMID: 28983841 DOI: 10.1007/s00402-017-2809-5] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Knee injuries and especially anterior cruciate ligament (ACL) tears are frequent in athletes. Therefore, primary and secondary prevention of sports-related lower limb injuries is an ongoing topic of interest. The aim of present study was to establish guidelines for the prevention of knee and ACL injuries on the basis of evidence-based concepts represented in current literature. METHODS A comprehensive literature review regarding prevention programs for knee and ACL injuries was conducted. RESULTS Several modifiable and non-modifiable risk factors for knee injuries in athletes have been reported in literature. Referring to the ACL, specific injury mechanisms have been identified and are well understood. In particular, it has been demonstrated that dynamic valgus is one of the most important modifiable risk factors. Simple tests like the drop jump test have shown their efficacy in screening and detecting athletes at risk. There is only few evidence for the preventive effect on knee and ACL injuries by single exercises. However, in order to prevent or correct endangering movement patterns including dynamic valgus, several complex prevention programs have been developed in the past. These prevention programs are included in standard warm-up exercises and are focusing on muscle strength, balance, and proprioception, as well as running and flexibility. It is reported that these training programs can reduce the incidence of knee injuries by up to 27% and ACL injuries by up to 51%. CONCLUSIONS Screening, identification, and correction of endangering movement patterns like the dynamic valgus are the first crucial steps in order to prevent knee and ACL injuries in athletes. Furthermore, jumping, running and flexibility exercises as well as balance and strength training are proven to reduce the incidence of these injuries and should, therefore, be integrated into the regular warm up program. Appropriate complete prevention programs are freely accessible via the Internet and should be adapted to the specific sport disciplines.
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Affiliation(s)
- Julian Mehl
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, TU Munich, Ismaninger Str. 22, 81675, Munich, Germany
| | - Theresa Diermeier
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, TU Munich, Ismaninger Str. 22, 81675, Munich, Germany
| | - Elmar Herbst
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, TU Munich, Ismaninger Str. 22, 81675, Munich, Germany
| | - Andreas B Imhoff
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, TU Munich, Ismaninger Str. 22, 81675, Munich, Germany
| | - Thomas Stoffels
- Department of Trauma and Orthopaedic Surgery, Unfallkrankenhaus Marzahn, Berlin, Germany
| | | | - Wolf Petersen
- Department of Orthopaedic and Trauma Surgery, Martin-Luther-Krankenhaus, Berlin, Germany
| | - Andrea Achtnich
- Department of Orthopaedic Sports Medicine, Klinikum Rechts der Isar, TU Munich, Ismaninger Str. 22, 81675, Munich, Germany.
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