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Al Attar WSA, Husain MA. Effectiveness of Injury Prevention Programs With Core Muscle Strengthening Exercises to Reduce the Incidence of Hamstring Injury Among Soccer Players: A Systematic Review and Meta-Analysis. Sports Health 2023; 15:805-813. [PMID: 37139743 PMCID: PMC10606958 DOI: 10.1177/19417381231170815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023] Open
Abstract
CONTEXT Muscles in the hamstring group are frequently injured in sporting activities. Injury prevention programs (IPPs), including eccentric training of the hamstrings, have proven to be of great value in decreasing the injury rate of hamstring muscles. OBJECTIVE To examine the effectiveness of IPPs that include core muscle strengthening exercises (CMSEs) in reducing hamstring injury rates. DATA SOURCES This systematic review with meta-analysis was based upon the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. A systematic search was conducted for relevant studies published from 1985 to 2021 using the following databases: Cochrane Library, MEDLINE, AMED, PubMed, Web of Science, and Physiotherapy Evidence Database (PEDro). STUDY SELECTION The initial electronic search found 2694 randomized controlled trials (RCTs). After removing duplicate entries, 1374 articles were screened by their titles and abstracts, and 53 full-text records were assessed, of which 43 were excluded. The remaining 10 articles were reviewed in detail, from which 5 studies met our inclusion criteria and were included in the current meta-analysis. STUDY DESIGN Systematic review and meta-analysis of RCTs. LEVEL OF EVIDENCE Level 1a. DATA EXTRACTION Two researchers independently completed the abstract review and performed full-text reviews. A third reviewer was consulted to reach a consensus if any discrepancies were noted. Details were recorded about the participants, methodological aspects, eligibility criteria, intervention data, and outcome measures, including age; number of subjects in the intervention/control group; number of injuries in each group; and the duration, frequency, and intensity of the training conducted in the intervention. RESULTS The pooled results of 4728 players and 379,102 exposure hours showed 47% hamstring injury reduction per 1000 h of exposure in the intervention group compared with the control group with an injury risk ratio of 0.53 (95% CI [0.28, 0.98], P = 0.04). CONCLUSION The results indicate that CMSEs incorporated with IPPs reduce susceptibility and risk of hamstring injuries in soccer players.
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Affiliation(s)
- Wesam Saleh A. Al Attar
- Department of Physical Therapy, Faculty of Applied Medical Sciences, Umm Al Qura University, Makkah, Saudi Arabia
| | - Mohamed A. Husain
- Department of Physical Education, College of Health and Sport Sciences, University of Bahrain, Sakhir, Bahrain
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Nakao G, Kodesho T, Kato T, Yokoyama Y, Saito Y, Ohsaki Y, Watanabe K, Katayose M, Taniguchi K. Relationship between shear elastic modulus and passive muscle force in human hamstring muscles using a Thiel soft-embalmed cadaver. J Med Ultrason (2001) 2023; 50:275-283. [PMID: 37170041 PMCID: PMC10954965 DOI: 10.1007/s10396-023-01317-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 04/12/2023] [Indexed: 05/13/2023]
Abstract
PURPOSE Assessing muscle flexibility and architecture is important for hamstring strain injury (HSI) prevention. We investigated the relationship between shear modulus and passive force in hamstring muscles at different sites and the effect of muscle architecture on the slope of the shear modulus-passive force using shear wave elastography (SWE). METHODS The biceps femoris long head (BFlh), semitendinosus (ST), and semimembranosus (SM) muscles were dissected from nine Thiel-embalmed cadavers and fixed to a custom-made mechanical testing machine. Calibrated weights (0-1800 g) were applied gradually in 150-g increments. The shear modulus and anatomical cross-sectional area (ACSA) were measured at proximal, central, and distal points using SWE. The muscle mass and length were measured before the loading test. The shear modulus-passive load relationship of each tested muscle region was analyzed by fitting a least-squares regression line. The increase in shear modulus slope per unit load was calculated and compared between the muscles before and after normalization by the muscle mass, length, and ACSA. RESULTS The shear modulus and passive force for all hamstring muscles in each region showed a statistically significant linear correlation. Furthermore, the increase in shear modulus slope was greater for BFlh and ST than for SM (P < 0.05), but after normalization by the muscle length and ACSA, there were no significant differences among the muscles. CONCLUSION The local mechanical properties of individual hamstring muscles can be indirectly estimated using SWE, and the slope of increase in shear modulus reflects characteristics of the muscle architecture.
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Affiliation(s)
- Gakuto Nakao
- Graduate School of Health Sciences, Sapporo Medical University, Sapporo, Japan
- Professional Post-Secondary Course (Physical Therapist), Sapporo Medical Technology, Welfare and Dentistry Professional Training College of Nishino Gakuen School Foundation, Sapporo, Japan
| | - Taiki Kodesho
- Graduate School of Health Sciences, Sapporo Medical University, Sapporo, Japan
| | - Takuya Kato
- Department of Rehabilitation, Hitsujigaoka Hospital, Sapporo, Japan
| | - Yu Yokoyama
- Department of Rehabilitation, Heiseikai Hospital, Sapporo, Japan
| | - Yuhei Saito
- Graduate School of Health Sciences, Sapporo Medical University, Sapporo, Japan
| | - Yuki Ohsaki
- First Division of Anatomy, School of Medicine, Sapporo Medical University, Sapporo, Japan
| | - Kota Watanabe
- Department of Physical Therapy, School of Health Sciences, Sapporo Medical University, South-1, West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan
| | - Masaki Katayose
- Department of Physical Therapy, School of Health Sciences, Sapporo Medical University, South-1, West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan
| | - Keigo Taniguchi
- Department of Physical Therapy, School of Health Sciences, Sapporo Medical University, South-1, West-17, Chuo-Ku, Sapporo, Hokkaido, 060-8556, Japan.
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Jankaew A, Chen JC, Chamnongkich S, Lin CF. Therapeutic Exercises and Modalities in Athletes With Acute Hamstring Injuries: A Systematic Review and Meta-analysis. Sports Health 2023; 15:497-511. [PMID: 35996322 PMCID: PMC10293564 DOI: 10.1177/19417381221118085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
CONTEXT Hamstring strain is a common injury to the lower limbs. Early intervention in the acute phase aids with restoring hamstring function and prevents secondary related injury. OBJECTIVE To systematically review and summarize the effectiveness of exercise-based interventions combined with physical modalities currently used in athletes with acute hamstring injuries. DATA SOURCES Five databases (EMBASE, Medline, Cochrane Library, SPORTDiscus, and Web of Science) were searched from inception to July 2021. STUDY SELECTION A total of 4569 studies were screened. Nine randomized controlled trials (RCTs) on the effect of therapeutic exercise programs with and without physical agents in athletes with acute hamstring injuries were identified for meta-analysis. STUDY DESIGN Systematic review and meta-analysis. LEVEL OF EVIDENCE Level 1. DATA EXTRACTION The studies were screened, and the evidence was rated using the PEDro scale. Nine RCTs with PEDro scores ranging between 3 and 9 were included and extracted pain intensity, time to return to play (TTRTP), and reinjury rate in the study. RESULTS Loading exercises during extensive lengthening were shown to facilitate TTRTP at P < 0.0001 but did not prevent recurrence (P = 0.17), whereas strengthening with trunk stabilization and agility exercise did not reduce the duration of injury recurrence (P = 0.16), but significantly reduced the reinjury rate (P < 0.007) at a 12-month follow-up. The results of the stretching programs and solely physical modalities could not be pooled in the statistical analysis. CONCLUSION The meta-analysis indicated that a loading program helps athletes to return to sports on a timely basis. Although strengthening with trunk stabilization and agility exercise cannot significantly reduce recovery time, the program can prevent reinjury. The clinical effects of stretching programs and pure physical modality interventions could not be concluded in this study due to limited evidence. PROSPERO REGISTRATION CRD42020183035.
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Affiliation(s)
- Amornthep Jankaew
- Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Jih-Ching Chen
- Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Samatchai Chamnongkich
- Department of Physical Therapy, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Cheng-Feng Lin
- Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Physical Therapy Center, National Cheng Kung University Hospital, Tainan, Taiwan
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Valle X, Mechó S, Alentorn-Geli E, Järvinen TAH, Lempainen L, Pruna R, Monllau JC, Rodas G, Isern-Kebschull J, Ghrairi M, Yanguas X, Balius R, la Torre AMD. Return to Play Prediction Accuracy of the MLG-R Classification System for Hamstring Injuries in Football Players: A Machine Learning Approach. Sports Med 2022; 52:2271-2282. [PMID: 35610405 DOI: 10.1007/s40279-022-01672-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/15/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND AND OBJECTIVE Muscle injuries are one of the main daily problems in sports medicine, football in particular. However, we do not have a reliable means to predict the outcome, i.e. return to play from severe injury. The aim of the present study was to evaluate the capability of the MLG-R classification system to grade hamstring muscle injuries by severity, offer a prognosis for the return to play, and identify injuries with a higher risk of re-injury. Furthermore, we aimed to assess the consistency of our proposed system by investigating its intra-observer and inter-observer reliability. METHODS All male professional football players from FC Barcelona, senior A and B and the two U-19 teams, with injuries that occurred between February 2010 and February 2020 were reviewed. Only players with a clinical presentation of a hamstring muscle injury, with complete clinic information and magnetic resonance images, were included. Three different statistical and machine learning approaches (linear regression, random forest, and eXtreme Gradient Boosting) were used to assess the importance of each factor of the MLG-R classification system in determining the return to play, as well as to offer a prediction of the expected return to play. We used the Cohen's kappa and the intra-class correlation coefficient to assess the intra-observer and inter-observer reliability. RESULTS Between 2010 and 2020, 76 hamstring injuries corresponding to 42 different players were identified, of which 50 (65.8%) were grade 3r, 54 (71.1%) affected the biceps femoris long head, and 33 of the 76 (43.4%) were located at the proximal myotendinous junction. The mean return to play for grades 2, 3, and 3r injuries were 14.3, 12.4, and 37 days, respectively. Injuries affecting the proximal myotendinous junction had a mean return to play of 31.7 days while those affecting the distal part of the myotendinous junction had a mean return to play of 23.9 days. The analysis of the grade 3r biceps femoris long head injuries located at the free tendon showed a median return to play time of 56 days while the injuries located at the central tendon had a shorter return to play of 24 days (p = 0.038). The statistical analysis showed an excellent predictive power of the MLG-R classification system with a mean absolute error of 9.8 days and an R-squared of 0.48. The most important factors to determine the return to play were if the injury was at the free tendon of the biceps femoris long head or if it was a grade 3r injury. For all the items of the MLG-R classification, the intra-observer and inter-observer reliability was excellent (k > 0.93) except for fibres blurring (κ = 0.68). CONCLUSIONS The main determinant for a long return to play after a hamstring injury is the injury affecting the connective tissue structures of the hamstring. We developed a reliable hamstring muscle injury classification system based on magnetic resonance imaging that showed excellent results in terms of reliability, prognosis capability and objectivity. It is easy to use in clinical daily practice, and can be further adapted to future knowledge. The adoption of this system by the medical community would allow a uniform diagnosis leading to better injury management.
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Affiliation(s)
- Xavier Valle
- FC Barcelona Medical Department, Barcelona, Spain. .,Hospital Universitari Dexeus (ICATME), Barcelona, Spain. .,PhD Student at the "Departament de Cirurgia i Ortopèdia", Universitat Autonoma de Barcelona, Barcelona, Spain.
| | - Sandra Mechó
- FC Barcelona Medical Department, Barcelona, Spain.,Department of Radiology, Hospital de Barcelona, SCIAS, Barcelona, Spain
| | - Eduard Alentorn-Geli
- Instituto Cugat, Barcelona, Spain.,Fundación García Cugat, Barcelona, Spain.,Mutualidad Española de Futbolistas, Delegación Cataluña, Federación Española de Fútbol, Barcelona, Spain
| | - Tero A H Järvinen
- Tampere University and Tampere University Hospital, Tampere, Finland
| | - Lasse Lempainen
- Sports Trauma Research Unit, Hospital Mehiläinen NEO, Turku, Finland
| | - Ricard Pruna
- FC Barcelona Medical Department, Barcelona, Spain
| | - Joan C Monllau
- Department of Orthopedic Surgery, Parc de Salut Mar, Hospital del Mar I L'Esperança, Barcelona, Spain.,ICATME, Hospital Universitari Dexeus, Bellaterra, Spain.,Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Gil Rodas
- FC Barcelona Medical Department, Barcelona, Spain
| | - Jaime Isern-Kebschull
- Musculoskeletal Imaging Specialist, Barcelona, Spain.,Department of Radiology at Hospital Clinic, Universitat de Barcelona, Barcelona, Spain
| | - Mourad Ghrairi
- FIFA Medical Centre of Excellence, Dubai, United Arab Emirates
| | | | - Ramon Balius
- Catalan Sports Council, Generalitat de Catalunya, Barcelona, Spain.,Department of Sports Medicine, Clínica Diagonal, Barcelona, Spain
| | - Adrian Martinez-De la Torre
- Institute of Pharmaceutical Sciences, Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich, Switzerland
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Poor Reporting of Exercise Interventions for Hamstring Strain Injury Rehabilitation: A Scoping Review of Reporting Quality and Content in Contemporary Applied Research. J Orthop Sports Phys Ther 2022; 52:130-141. [PMID: 34546816 DOI: 10.2519/jospt.2022.10641] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To review the quality of reporting and identify the content of exercise interventions prescribed for hamstring strain injury (HSI) rehabilitation in the scientific literature from 2010 to 2020. DESIGN Scoping review. LITERATURE SEARCH We searched the bibliometric databases Web of Science, CINAHL, SPORTDiscus, Scopus, Cochrane Library, MEDLINE, and Embase. STUDY SELECTION CRITERIA Original research articles (randomized controlled trials and cohort studies) published from 2010 to 2020 that described an exercise rehabilitation intervention for participants with acute HSIs were included. Injuries must have been confirmed within 7 days of occurrence via clinical assessment and/or diagnostic imaging. DATA SYNTHESIS The quality of reporting, in terms of completeness of exercise intervention description, was evaluated using the Consensus on Exercise Reporting Template (CERT), and the content of interventions was categorized into exercise types. RESULTS Fourteen studies were included; exercise intervention quality of reporting was moderate in 3 studies and low in 11 studies. Using the 19-item CERT, an average of 8.8 items (range, 4-14) were reported across all studies. Two studies reported sufficient exercise content and progression information to allow replication. Exercises categorized as hamstring flexibility, hamstring strength, running related, and non-hamstring specific were prescribed in 13, 11, 10, and 10 studies, respectively. Half of the included studies incorporated all 4 exercise types in their exercise interventions. CONCLUSION There is a wide variety of exercise interventions applied in published research that has addressed HSI rehabilitation. Researchers must improve reporting quality to support other professionals in replicating exercise interventions and help practitioners to effectively implement research in practice. J Orthop Sports Phys Ther 2022;52(3):130-141. Epub 21 Sep 2021. doi:10.2519/jospt.2022.10641.
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Indirect Structural Muscle Injuries of Lower Limb: Rehabilitation and Therapeutic Exercise. J Funct Morphol Kinesiol 2021; 6:jfmk6030075. [PMID: 34564194 PMCID: PMC8482242 DOI: 10.3390/jfmk6030075] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/07/2021] [Accepted: 09/09/2021] [Indexed: 11/17/2022] Open
Abstract
Muscle injuries are the most common trauma in team and individual sports. The muscles most frequently affected are those of the lower limb, and in particular hamstrings, adductors, rectus femoris and calf muscles. Although several scientific studies have tried to propose different rehabilitation protocols, still too often the real rehabilitation process is not based on scientific knowledge, especially in non-elite athletes. Moreover, the growing use of physical and instrumental therapies has made it increasingly difficult to understand what can be truly effective. Therefore, the aim of the present paper is to review proposed therapeutic algorithms for muscle injuries, proposing a concise and practical summary. Following a three-phase rehabilitation protocol, this review aims to describe the conservative treatment of indirect structural muscle injuries, which are the more routinely found and more challenging type. For each phase, until return to training and return to sport are completed, the functional goal, the most appropriate practitioner, and the best possible treatment according to current evidence are expressed. Finally, the last section is focused on the specific exercise rehabilitation for the four main muscle groups with a structured explanatory timetable.
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Pedret C, Balius R, Blasi M, Dávila F, Aramendi JF, Masci L, Fuente J. Ultrasound classification of medial gastrocnemious injuries. Scand J Med Sci Sports 2020; 30:2456-2465. [DOI: 10.1111/sms.13812] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 08/17/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Carles Pedret
- Sports Medicine Department Clínica Diagonal Barcelona Spain
- Sports Medicine and Imaging Department Clínica Creu Blanca Barcelona Spain
| | - Ramon Balius
- Sports Medicine Department Clínica Diagonal Barcelona Spain
- Consell Català de l’Esport Generalitat de Catalunya Barcelona Spain
| | - Marc Blasi
- Plastic Surgery Department Hospital Germans Trias i Pujol Badalona Spain
| | - Fernando Dávila
- Orthopedic Department Clínica Pakea—Mutualia San Sebastián Spain
| | - José F. Aramendi
- Orthopedic Department Clínica Pakea—Mutualia San Sebastián Spain
| | - Lorenzo Masci
- Institute of Sports Exercise and Health (ISEH) London UK
| | - Javier Fuente
- Orthopedic Department Clínica Pakea—Mutualia San Sebastián Spain
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Bisciotti GN, Chamari K, Cena E, Carimati G, Bisciotti A, Bisciotti A, Quaglia A, Volpi P. Hamstring Injuries Prevention in Soccer: A Narrative Review of Current Literature. JOINTS 2020; 7:115-126. [PMID: 34195539 PMCID: PMC8236328 DOI: 10.1055/s-0040-1712113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Accepted: 04/13/2020] [Indexed: 11/25/2022]
Abstract
Hamstring injuries and reinjuries are one of the most important sport lesions in several sport activities including soccer, Australian football, track and field, rugby, and in general in all sport activities requiring sprinting and acceleration. However, it is important to distinguish between the lesions of the biceps femoris and semitendinosus and semimembranosus. Indeed, three muscles representing the hamstring complex have a very different injury etiology and consequently require different prevention strategies. This fact may explain, at least in part, the high incidence of reinjuries. In soccer, hamstring injuries cause an important rate of time loss (i.e., in average 15–21 matches missed per club per season). The hamstring injury risk factors may be subdivided in three categories: “primary injury risk factors” (i.e., the risk factors mainly causing a first lesion), “recurrent injury risk factors” (i.e., the risk that can cause a reinjury), and bivalent injury risk factors” (i.e., the risk factors that can cause both primary injuries and reinjuries). The high incidence of hamstring lesions caused consequently an important increase in hamstring injury research. However, although the prevention has increased paradoxically, epidemiological data do not show a loss in injuries and/or reinjuries but, on the contrary, they show an increase in hamstring injuries. This apparent paradox highlights the importance both of the improvement in the prevention programs quality and the criteria for return to play after hamstring injury.
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Affiliation(s)
- Gian Nicola Bisciotti
- Qatar Orthopaedic and Sport Medicine Hospital, FIFA Center of Excellence, Doha, Qatar
| | - Karim Chamari
- Qatar Orthopaedic and Sport Medicine Hospital, FIFA Center of Excellence, Doha, Qatar
| | - Emanuele Cena
- Qatar Orthopaedic and Sport Medicine Hospital, FIFA Center of Excellence, Doha, Qatar
| | - Giulia Carimati
- Orthopedic Knee and Sports Traumatology Department, Humanitas Research Hospital, Rozzano, Italy
| | | | | | - Alessandro Quaglia
- Orthopedic Knee and Sports Traumatology Department, Humanitas Research Hospital, Rozzano, Italy
| | - Piero Volpi
- Orthopedic Knee and Sports Traumatology Department, Humanitas Research Hospital, Rozzano, Italy.,FC Internazionale, Milan, Italy
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Pain-Free Versus Pain-Threshold Rehabilitation Following Acute Hamstring Strain Injury: A Randomized Controlled Trial. J Orthop Sports Phys Ther 2020; 50:91-103. [PMID: 32005093 DOI: 10.2519/jospt.2020.8895] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE The primary aim was to compare time from acute hamstring strain injury (HSI) to return-to-play (RTP) clearance following a standardized rehabilitation protocol performed within either pain-free or pain-threshold limits. Secondary aims were to compare isometric knee flexor strength, biceps femoris long head (BFLH) fascicle length, fear of movement, and reinjury occurrence at the 6-month follow-up between pain-free and pain-threshold groups. DESIGN Randomized controlled trial. METHODS Forty-three men with acute HSIs were randomly allocated to a pain-free (n = 22) or pain-threshold (n = 21) rehabilitation group. Days from HSI to RTP clearance, isometric knee flexor strength, BFLH fascicle length, fear of movement, and reinjury occurrence at the 6-month follow-up were reported. RESULTS Median time from HSI to RTP clearance was 15 days (95% confidence interval [CI]: 13, 17) in the pain-free group and 17 days (95% CI: 11, 24) in the pain-threshold group, which was not significantly different (P = .37). Isometric knee flexor strength recovery at 90° of hip and 90° of knee flexion was greater in the pain-threshold group at RTP clearance by 15% (95% CI: 1%, 28%) and by 15% (95% CI: 1%, 29%) at 2-month follow-up, respectively. Improvement in BFLH fascicle length from baseline was 0.91 cm (95% CI: 0.34, 1.48) greater at 2-month follow-up in the pain-threshold group. Two reinjuries occurred in both the pain-free and pain-threshold groups between RTP clearance and the 6-month follow-up. CONCLUSION Pain-threshold rehabilitation did not accelerate RTP clearance, but resulted in greater recovery of isometric knee flexor strength and better maintenance of BFLH fascicle length, compared to pain-free rehabilitation. J Orthop Sports Phys Ther 2020;50(2):91-103. Epub 28 Jun 2019. doi:10.2519/jospt.2020.8895.
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Zhang L, Li H, Garrett WE, Liu H, Yu B. Hamstring muscle-tendon unit lengthening and activation in instep and cut-off kicking. J Biomech 2020; 99:109482. [PMID: 31733820 DOI: 10.1016/j.jbiomech.2019.109482] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 10/10/2019] [Accepted: 10/30/2019] [Indexed: 11/17/2022]
Abstract
Hamstring muscle strain injury is one of the most common injuries in sports involving sprinting and kicking. Studies examining hamstring kinematics and activations are rich for sprinting but lacking for kicking. The purpose of this study was to examine kinematics and activations of hamstring muscles in instep and cut-off kicking tasks frequently performed in soccer. Videographic and electromyographic (EMG) data were collected for 11 male soccer-majored college students performing the two kicking tasks. Peak hamstring muscle-tendon unit lengths, elongation velocities, and maximum linear envelop EMG data were identified and compared among hamstring muscles and between kicking tasks. Hamstring muscles exhibited activated elongations before and after the contact of the kicking foot with the ball. The muscle-tendon unit lengths peaked in the follow-through phase. The peak elongation velocity of the semimembranosus was significantly greater than that of the semitendinosus and biceps femoris (p = 0.001). The maximum linear envelop EMG of the biceps femoris was significantly greater than that of the semimembranosus (p = 0.026). The potential for hamstring injury exists in the follow-through phase of each kicking task. The increased hamstring muscle-tendon unit elongation velocities in kicking tasks may explain the more severe hamstring injuries in kicking compared to sprinting.
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Affiliation(s)
- Liwen Zhang
- Biomechanics Laboratory, School of Sport Science, Beijing Sport University, Beijing, China
| | - Hanjun Li
- Biomechanics Laboratory, School of Sport Science, Beijing Sport University, Beijing, China
| | | | - Hui Liu
- China Institute of Sport and Health Science, Beijing Sport University, Beijing, China.
| | - Bing Yu
- Center for Human Movement Science, Division of Physical Therapy, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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Crupnik J, Silveti S, Wajnstein N, Rolon A, Vollhardt A, Stiller P, Schmitz C. Is radial extracorporeal shock wave therapy combined with a specific rehabilitation program (rESWT + RP) more effective than sham-rESWT + RP for acute hamstring muscle complex injury type 3b in athletes? Study protocol for a prospective, randomized, double-blind, sham-controlled single centre trial. J Orthop Surg Res 2019; 14:234. [PMID: 31337441 PMCID: PMC6651966 DOI: 10.1186/s13018-019-1283-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 07/16/2019] [Indexed: 12/29/2022] Open
Abstract
Background Acute injuries of the hamstring muscle complex (HMC) type 3b (interfascicle/bundle-tear) are frequently observed in various sports disciplines both in elite and recreational sport. The treatment of choice of acute HMC injuries type 3b is a progressive physiotherapeutic exercise programme. Besides this, there is currently only insufficient scientific evidence to support other treatment methods, including local infiltrations and injections of platelet-rich-plasma. Very recently, it was demonstrated that extracorporeal shock wave therapy (ESWT) may accelerate regeneration after acute skeletal muscle injury. The aim of the present study is to test the hypothesis that the combination of radial ESWT (rESWT) and a specific rehabilitation program (RP) is effective and safe in treatment of acute HMC injury type 3b in athletes, and is statistically significantly more effective than the combination of sham-rESWT and RP. Methods We will perform a double blind, randomized, sham-controlled clinical trial at the clinic KinEf Kinesiología Deportiva, Ciudad Autónoma de Buenos Aires, Argentina. Forty patients with acute HMC injury type 3b will be randomly allocated to receive either rESWT (nine rESWT sessions; three sessions per week; 2500 radial extracorporeal shock waves (rESWs) per session; energy density depending on what the patient tolerates) or sham-rESWT. In addition, all patients will receive a specific rehabilitation program that will last for 8 weeks. The primary outcome measure will be the individual time (days) necessary to return to play. Secondary outcomes will include the presence or absence of reinjury during a time period of 6 months after inclusion into the study. Discussion Because of the lack of adequate treatment options for acute HMC injury type 3b in athletes and particularly the high reinjury rate, we hypothesize that the results of this trial will be of importance and have impact on clinical practice. Trial registration ClinicalTrials.gov ID NCT03473899. Registered March 22, 2018.
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Affiliation(s)
| | | | | | | | - Alisa Vollhardt
- Extracorporeal Shock Wave Research Unit, Chair of Neuroanatomy, Institute of Anatomy, Faculty of Medicine, LMU Munich, 80336, Munich, Germany
| | - Peter Stiller
- Department of General Medicine, Clinic Lechhausen, Augsburg, Germany.,Medical Team, FC Augsburg 1907 Football Club, Augsburg, Germany
| | - Christoph Schmitz
- Extracorporeal Shock Wave Research Unit, Chair of Neuroanatomy, Institute of Anatomy, Faculty of Medicine, LMU Munich, 80336, Munich, Germany.
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Hickey JT, Timmins RG, Maniar N, Rio E, Hickey PF, Pitcher CA, Williams MD, Opar DA. Pain-Free Versus Pain-Threshold Rehabilitation Following Acute Hamstring Strain Injury: A Randomized Controlled Trial. J Orthop Sports Phys Ther 2019:1-35. [PMID: 31253060 DOI: 10.2519/jospt.2019.8895] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
STUDY DESIGN Randomized controlled trial. BACKGROUND Conventional guidelines recommend hamstring strain injury (HSI) rehabilitation should only be performed and progressed in complete absence of pain, despite lack of comparison to alternative approaches. OBJECTIVES The primary aim of this study was to compare the number of days from acute HSI to return to play (RTP) clearance following a standardised rehabilitation protocol performed within either pain-free or pain-threshold limits. The secondary aims were to compare isometric knee flexor strength, biceps femoris long head (BFlh) fascicle length, fear of movement and re-injury during a six-month follow-up between pain-free and pain-threshold groups. METHODS Forty-three men with acute HSIs were randomly allocated to either a pain-free (n=22) or pain-threshold (n=21) rehabilitation group. Days from HSI to RTP clearance, isometric knee flexor strength, BFlh fascicle length, fear of movement and re-injuries within six-month follow-up were reported. RESULTS The median time from HSI to RTP clearance was 15 days (95% CI = 13 to 17) in the pain-free group and 17 days (95% CI = 11 to 24) in the pain-threshold group, which was not significantly different (p = 0.37). Recovery of isometric knee flexor strength at 90/90 degrees of hip/knee flexion was greater in the pain-threshold group at RTP clearance by 15% (95% CI = 1 to 28) and by 15% (95% CI = 1 to 29) at two-month follow-up. BFlh fascicles were 0.91cm (95% CI = 0.34 to 1.48) longer at two-month follow-up in the pain-threshold group. Two re-injuries occurred in both the pain-free and pain-threshold group during six-month follow-up. CONCLUSION Pain-threshold rehabilitation did not accelerate RTP clearance but did result in greater recovery of isometric knee flexor strength and better maintenance of BFlh fascicle length improvements compared to pain-free rehabilitation. J Orthop Sports Phys Ther, Epub 28 Jun 2019. doi:10.2519/jospt.2019.8895.
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Affiliation(s)
- Jack T Hickey
- School of Behavioural and Health Sciences, Australian Catholic University, Melbourne, Australia
| | - Ryan G Timmins
- School of Behavioural and Health Sciences, Australian Catholic University, Melbourne, Australia
| | - Nirav Maniar
- School of Behavioural and Health Sciences, Australian Catholic University, Melbourne, Australia
| | - Ebonie Rio
- La Trobe Centre for Sports and Exercise Medicine Research, Melbourne, Australia
| | - Peter F Hickey
- Epigenetics and Development Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia
| | - Christian A Pitcher
- School of Behavioural and Health Sciences, Australian Catholic University, Melbourne, Australia
| | - Morgan D Williams
- School of Health, Sport and Professional Practice, University of South Wales, Pontypridd, Wales, UK
| | - David A Opar
- School of Behavioural and Health Sciences, Australian Catholic University, Melbourne, Australia
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Rodas G, Bove T, Caparrós T, Langohr K, Medina D, Hamilton B, Sugimoto D, Casals M. Ankle Sprain Versus Muscle Strain Injury in Professional Men's Basketball: A 9-Year Prospective Follow-up Study. Orthop J Sports Med 2019; 7:2325967119849035. [PMID: 31259184 PMCID: PMC6589969 DOI: 10.1177/2325967119849035] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Background: Ankle sprain is the most common injury in basketball players. However, in our routine clinical evaluation, we observe a high frequency of muscle injury. Currently, no reliable information is available regarding the magnitude of these types of injury. Purpose: To describe the type and rate of muscle injuries in male basketball players and discuss clinical management and prevention strategies. Study Design: Descriptive epidemiology study. Methods: A total of 59 professional male basketball players were evaluated over 9 seasons (2007-2015). All injuries during the study period were registered through use of a validated electronic medical record system. Results: We analyzed 463 injuries, of which 207 resulted in time loss and 256 required medical attention, for a total exposure time of 42,678 hours for the 59 players involved in the study. Muscle strains and ankle sprains accounted for 21.2% (n = 98) and 11.9% (n = 55) of all injuries, respectively. The global incidence rate was 10.8 injuries per 1000 player-hours (95% CI, 9.9-11.9). The global injury burden was 53.9 days lost due to injuries per 1000 hours for a total exposure time. The incidence rate of muscle strains (2.3; 95% CI, 1.9-2.8) was higher than that of ankle sprains (1.3; 95% CI, 1-1.7). The incidence rate for muscle injuries for the entire study period was 1.8 times higher (95% CI, 1.28-2.49) than that for ankle sprains. Conclusion: In this study, muscle injuries were more commonly observed compared with ankle sprains. Prevention strategies for muscle injuries may be worth discussing.
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Affiliation(s)
- Gil Rodas
- Medical Department, Futbol Club Barcelona, Barcelona, Spain.,Sports Medicine Department, Clinic/Sant Joan de Deu Hospital, Barcelona, Spain
| | - Toni Bove
- Medical Department, Futbol Club Barcelona, Barcelona, Spain.,Doctorando de la Facultad de Medicina de la Universidad Católica de Murcia, Guadalupe, Murcia, Spain
| | - Toni Caparrós
- Institut Nacional d'Educació Física de Catalunya, Barcelona, Spain.,Sport Performance Analysis Research Group, University of Vic, Barcelona, Spain
| | - Klaus Langohr
- Department of Statistics and Operations Research, Universitat Politècnica de Catalunya/Barcelonatech, Barcelona, Spain
| | - Daniel Medina
- Medical Department, Futbol Club Barcelona, Barcelona, Spain
| | - Bruce Hamilton
- High Performance Sport NZ, Millennium Institute of Sport and Health, Mairangi Bay, Auckland, New Zealand.,Sport Research Institute of New Zealand, Millennium Institute of Sport and Health, Mairangi Bay, Auckland, New Zealand
| | - Dai Sugimoto
- The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts, USA.,Division of Sports Medicine, Department of Orthopedics, Boston Children's Hospital, Boston, Massachusetts, USA.,Department of Orthopedic Surgery, Harvard Medical School, Boston, Massachusetts, USA
| | - Martí Casals
- Medical Department, Futbol Club Barcelona, Barcelona, Spain.,Sport Performance Analysis Research Group, University of Vic, Barcelona, Spain.,Sport and Physical Activity Studies Centre (CEEAF), University of Vic-Central University of Catalonia, Spain
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Schuermans J, Van Tiggelen D, Palmans T, Danneels L, Witvrouw E. Deviating running kinematics and hamstring injury susceptibility in male soccer players: Cause or consequence? Gait Posture 2017; 57:270-277. [PMID: 28683419 DOI: 10.1016/j.gaitpost.2017.06.268] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Revised: 06/16/2017] [Accepted: 06/26/2017] [Indexed: 02/02/2023]
Abstract
BACKGROUND Although the vast majority of hamstring injuries in male soccer are sustained during high speed running, the association between sprinting kinematics and hamstring injury vulnerability has never been investigated prospectively in a cohort at risk. PURPOSE This study aimed to objectify the importance of lower limb and trunk kinematics during full sprint in hamstring injury susceptibility. STUDY DESIGN Cohort study; level of evidence, 2. METHODS At the end of the 2013 soccer season, three-dimensional kinematic data of the lower limb and trunk were collected during sprinting in a cohort consisting of 30 soccer players with a recent history of hamstring injury and 30 matched controls. Subsequently, a 1.5 season follow up was conducted for (re)injury registry. Ultimately, joint and segment motion patterns were submitted to retro- and prospective statistical curve analyses for injury risk prediction. RESULTS Statistical analysis revealed that index injury occurrence was associated with higher levels of anterior pelvic tilting and thoracic side bending throughout the airborne (swing) phases of sprinting, whereas no kinematic differences during running were found when comparing players with a recent hamstring injury history with their matched controls. CONCLUSION Deficient core stability, enabling excessive pelvis and trunk motion during swing, probably increases the primary injury risk. Although sprinting encompasses a relative risk of hamstring muscle failure in every athlete, running coordination demonstrated to be essential in hamstring injury prevention.
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Affiliation(s)
- Joke Schuermans
- Department of Rehabilitation Sciences and Physiotherapy Ghent, Ghent University, Ghent, Belgium.
| | - Damien Van Tiggelen
- Department of Rehabilitation Sciences and Physiotherapy Ghent, Ghent University, Ghent, Belgium
| | - Tanneke Palmans
- Department of Rehabilitation Sciences and Physiotherapy Ghent, Ghent University, Ghent, Belgium
| | - Lieven Danneels
- Department of Rehabilitation Sciences and Physiotherapy Ghent, Ghent University, Ghent, Belgium
| | - Erik Witvrouw
- Department of Rehabilitation Sciences and Physiotherapy Ghent, Ghent University, Ghent, Belgium
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Beatty NR, Félix I, Hettler J, Moley PJ, Wyss JF. Rehabilitation and Prevention of Proximal Hamstring Tendinopathy. Curr Sports Med Rep 2017; 16:162-171. [PMID: 28498225 DOI: 10.1249/jsr.0000000000000355] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Proximal hamstring tendinopathy (PHT) comprises a small but significant portion of hamstring injuries in athletes, especially runners. PHT is a chronic condition that is clinically diagnosed but can be supported with imaging. The main presenting complaint is pain in the lower gluteal or ischial region that may or may not radiate along the hamstrings in the posterior thigh. There is little scientific evidence on which to base the rehabilitation management of PHT. Treatment is almost always conservative, with a focus on activity modification, addressing contributing biomechanical deficiencies, effective tendon loading including eccentric training, and ultrasound-guided interventional procedures which may facilitate rehabilitation. Surgery is limited to recalcitrant cases or those involving concomitant high-grade musculotendinous pathology. The keys to PHT management include early and accurate diagnosis, optimal rehabilitation to allow for a safe return to preinjury activity level, and preventative strategies to reduce risk of reinjury.
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Affiliation(s)
- Nicholas R Beatty
- 1Physiatry Department, Hospital for Special Surgery, New York, NY; 2Sports Rehabilitation and Performance Center, Hospital for Special Surgery, New York, NY
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van der Horst N, Backx FJG, Goedhart EA, Huisstede BMA. Return to play after hamstring injuries in football (soccer): a worldwide Delphi procedure regarding definition, medical criteria and decision-making. Br J Sports Med 2017; 51:1583-1591. [DOI: 10.1136/bjsports-2016-097206] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/10/2017] [Indexed: 01/08/2023]
Abstract
There are three major questions about return to play (RTP) after hamstring injuries: How should RTP be defined? Which medical criteria should support the RTP decision? And who should make the RTP decision? The study aimed to provide a clear RTP definition and medical criteria for RTP and to clarify RTP consultation and responsibilities after hamstring injury. The study used the Delphi procedure. The results of a systematic review were used as a starting point for the Delphi procedure. Fifty-eight experts in the field of hamstring injury management selected by 28 FIFA Medical Centres of Excellence worldwide participated. Each Delphi round consisted of a questionnaire, an analysis and an anonymised feedback report. After four Delphi rounds, with more than 83% response for each round, consensus was achieved that RTP should be defined as ‘the moment a player has received criteria-based medical clearance and is mentally ready for full availability for match selection and/or full training’. The experts reached consensus on the following criteria to support the RTP decision: medical staff clearance, absence of pain on palpation, absence of pain during strength and flexibility testing, absence of pain during/after functional testing, similar hamstring flexibility, performance on field testing, and psychological readiness. It was also agreed that RTP decisions should be based on shared decision-making, primarily via consultation with the athlete, sports physician, physiotherapist, fitness trainer and team coach. The consensus regarding aspects of RTP should provide clarity and facilitate the assessment of when RTP is appropriate after hamstring injury, so as to avoid or reduce the risk of injury recurrence because of a premature RTP.
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Criteria for Progressing Rehabilitation and Determining Return-to-Play Clearance Following Hamstring Strain Injury: A Systematic Review. Sports Med 2016; 47:1375-1387. [DOI: 10.1007/s40279-016-0667-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Babu AN, West A, Joyce A, Borg-Stein J. Hamstring injuries: review of current literature and return to play considerations. CURRENT PHYSICAL MEDICINE AND REHABILITATION REPORTS 2016. [DOI: 10.1007/s40141-016-0120-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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