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Multifactorial individualised programme for hamstring muscle injury risk reduction in professional football: protocol for a prospective cohort study
  1. Johan Lahti1,
  2. Jurdan Mendiguchia2,
  3. Juha Ahtiainen3,
  4. Luis Anula4,
  5. Tuomas Kononen5,
  6. Mikko Kujala6,
  7. Anton Matinlauri7,
  8. Ville Peltonen8,
  9. Max Thibault9,
  10. Risto-Matti Toivonen10,
  11. Pascal Edouard11,12,
  12. Jean Benoit Morin1,13
  1. 1 LAMHESS, Universite Cote d’Azur, Nice, France
  2. 2 Department of Physical Therapy, ZENTRUM Rehab and Performance Center, Barañain, Spain
  3. 3 Faculty of Sport and Health Sciences, Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
  4. 4 KUPS, KUPS, Kuopio, Finland
  5. 5 ROPS, ROPS, Rovaniemi, Finland
  6. 6 SJK, SJK, Seinajoki, Finland
  7. 7 HJK, HJK, Helsinki, Finland
  8. 8 FC Inter, FC Inter, Turku, Finland
  9. 9 FC Honka, FC Honka, Espoo, Finland
  10. 10 HIFK, HIFK, Helsinki, Finland
  11. 11 Sports Medicine Unit, Univ Hosp St Etienne, Saint-Etienne,France
  12. 12 Inter‐university Laboratory of Human Movement Science, Universite Jean Monnet Saint-Etienne,Saint-Etienne,France
  13. 13 Sports Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, Auckland, New Zealand
  1. Correspondence to Johan Lahti, Université Cote d’Azur, LAMHESS, 261 Bd Du Mercantour, Nice, France; lahti.johan87{at}


Introduction Hamstring muscle injuries (HMI) continue to plague professional football. Several scientific publications have encouraged a multifactorial approach; however, no multifactorial HMI risk reduction studies have been conducted in professional football. Furthermore, individualisation of HMI management programmes has only been researched in a rehabilitation setting. Therefore, this study aims to determine if a specific multifactorial and individualised programme can reduce HMI occurrence in professional football.

Methods and analysis We conducted a prospective cohort study over two seasons within the Finnish Premier League and compare the amount of HMI sustained during a control season to an intervention season. Injury data and sport exposure were collected during the two seasons (2019–2020), and a multifactorial and individualised HMI risk reduction programme will be implemented during intervention season (2020). After a hamstring screening protocol is completed, individual training will be defined for each player within several categories: lumbo-pelvic control, range of motion, posterior chain strength, sprint mechanical output and an additional non-individualised ‘training for all players’ category. Screening and respective updates to training programmes were conducted three times during the season. The outcome will be to compare if there is a significant effect of the intervention on the HMI occurrence using Cox regression analysis.

Ethics and dissemination Approval for the injury and sport exposure data collection was obtained by the Saint-Etienne University Hospital Ethics Committee (request number: IORG0007394; record number IRBN322016/CHUSTE). Approval for the intervention season was obtained from the Central Finland healthcare District (request and record number: U6/2019).

  • Prevention
  • Sprint
  • Sports
  • Hamstring

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  • Twitter Johan Lahti @lahti_johan.

  • Acknowledgements We would like to thank all the teams and players participating in this project. We thank Matt R. Cross for his input on the manuscript. We also would like to thank the following sprint coaches for their input to our training programme format: Håkan Andersson, Jonas Dodoo and Stuart McMillan.

  • Contributors JL, PE, JM and JBM conceived the idea behind the study and JA, LA, TK, MK, AM, VP, MT and R-MT provided advice on the study design. JL, JA, LA, TK, MK, AM, VP, MT and R-MT are responsible for data acquisition and data management. JL, PE, JM, JA and JBM are responsible for statistical analyses. JA, PE and JL developed the health-, injury-, study information-, coaching questionnaire- and consent forms with feedback from JBM, JM. JL is the corresponding author. All authors are entitled to explore the data set and publish on prespecified hypotheses. JL drafted the article, while all other authors revised the article for important intellectual content. All authors read and approved the final manuscript.

  • Funding This research received no specific grant from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data availability statement All data relevant to the study are included in the article or uploaded as supplementary information.

  • Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.

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