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Original research
Systematic development of an injury prevention programme for judo athletes: the IPPON intervention
  1. Amber L von Gerhardt1,2,3,
  2. Ingrid Vriend3,4,
  3. Evert Verhagen3,4,
  4. Johannes L Tol2,3,
  5. Gino M M J Kerkhoffs1,2,3,
  6. Guus Reurink2,3
  1. 1 Amsterdam UMC, University of Amsterdam (UvA), Department of Orthopaedic Surgery, Amsterdam Movement Sciences (AMS), Amsterdam, The Netherlands
  2. 2 Academic Center for Evidence-Based Sports Medicine (ACES), Amsterdam UMC, Amsterdam Movement Sciences (AMS), Amsterdam, The Netherlands
  3. 3 Amsterdam Collaboration on Health and Safety in Sports (ACHSS), Amsterdam UMC IOC Research Center of Excellence, Amsterdam, The Netherlands
  4. 4 Department of Public and Occupational Health, Amsterdam UMC, VU University, Amsterdam Movement Sciences (AMS), Amsterdam, The Netherlands
  1. Correspondence to Amber L von Gerhardt; a.vongerhardt{at}amsterdamumc.nl

Abstract

Objectives To systematically develop an injury prevention programme in judo and test its feasibility: Injury Prevention and Performance Optimization Netherlands (IPPON) intervention.

Methods We used the five-step Knowledge Transfer Scheme (KTS) guidelines. In the first two steps, we described the injury problem in judo and showed possibilities to reduce the injury rates. In the third step, the Knowledge Transfer Group (KTG) translated this information into actions in judo practice. Expert meetings and practical sessions were held. In the fourth step, we developed the injury prevention programme and evaluated its feasibility in judo practice in a pilot study. As a final step, we will evaluate the injury prevention programme on its effectiveness to reduce injuries.

Results In the first two steps, information collected indicated the need for reducing judo injuries due to high incidence rates. Injury prevention programmes have shown to be effective in reducing injuries in other sports. For judo, no injury prevention programme has yet been systematically developed. In the third step, the KTG reached consensus about the content: a trainer-based warm-up programme with dynamic exercises focusing on the shoulder, knee and ankle. In the fourth step, the intervention was developed. All exercises were approved in the pilot study. Based on the pilot study’s results, the IPPON intervention was extended and has become suitable for the final step.

Conclusion We developed the IPPON intervention using the systematic guidance of the KTS. This trainer-based programme focuses on the prevention of shoulder, knee and ankle injuries in judo and consists of 36 exercises classified in three categories: (1) flexibility and agility, (2) balance and coordination and (3) strength and stability. The effectiveness and feasibility of the intervention on injury reduction among judo athletes will be conducted in a randomised controlled trial.

  • Judo
  • Martial Arts
  • Injuries
  • Prevention
http://creativecommons.org/licenses/by-nc/4.0/

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

https://doi.org/10.1136/bmjsem-2020-000791

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    Footnotes

    • Twitter Evert Verhagen @evertverhagen, Johannes L Tol @Jltol and Gino M M J Kerkhoffs @KerkhoffsG.

    • Acknowledgements Special thanks to all experts involved in the development of the intervention: Benny van den Broek, Arnold Brons, Jessica Gal, Vincent Gouttebarge, Ronald Joorse, Ellen Kemler, Kai Krabben and Jeroen Mooren. Also, thanks to all judo trainers and judo athletes for their participation in the pilot study.

    • Contributors All authors were involved in the development of the programme. AVG was responsible for drafting the manuscript. All authors reviewed and agreed on the manuscript.

    • Funding This study was financially supported by The Dutch Organization for Health Research and Development (ZonMw) with project number 50-53600-98-112.

    • Competing interests None declared.

    • Ethics approval The medical ethics committee of the Academic Medical Center Amsterdam granted exempt status (qualified as non-WMO obliged research, W19_071). The study protocol was registered in the Dutch trial register (NTR 7698).

    • 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 supplemental 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.