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An Investigation of Knee Injury Profiles among Iranian Elite Karatekas: Observations from a Cross-Sectional Study

Author

Listed:
  • Hamidreza Naserpour

    (Department of Biomechanics and Sport Injuries, Kharazmi University, Tehran 15875-4398, Iran)

  • Julien S. Baker

    (Centre for Health and Exercise Science Research, Hong Kong Baptist University, Hong Kong, China)

  • Amir Letafatkar

    (Department of Biomechanics and Sport Injuries, Kharazmi University, Tehran 15875-4398, Iran)

  • Giacomo Rossettini

    (School of Physiotherapy, University of Verona, Via Bengasi 4, 37134 Verona, Italy)

  • Frédéric Dutheil

    (Physiological and Psychosocial Stress, UMR CNRS 6024 LaPSCo, University of Clermont Auvergne, 63000 Clermont-Ferrand, France
    Preventive and Occupational Medicine, University Hospital of Clermont-Ferrand, 63000 Clermont-Ferrand, France
    Wittyfit, 75009 Paris, France)

Abstract

Karate training, despite the many positive health benefits, carries a risk of injury for participants. The current cross-sectional study aimed to investigate knee injury profiles among Iranian elite karatekas. Participants who attended the national team qualifiers, which included 390 male Kumite karatekas (age 24 ± 3 years old and weight 63 ± 12 kg), participated in this study. Information on knee injuries (injury history, type of injury mechanisms, and effects of knee symptoms on the ability to perform daily activities and recreational activities) were obtained using the Knee Outcome Survey (KOS). Using Pearson’s correlation coefficient, the study examined the relationships between different variables, including KOS subscales and levels of self-reported knee joint function. Our findings indicated that 287 karatekas (73.6%) experienced knee injuries. The anterior cruciate ligament (ACL) rupture (6.9%), articular cartilage (5.4%), and meniscus damage (3.8%) were the main typology of injury. In addition, there were no differences in knee injuries between the non-dominant and dominant legs. Most injuries occurred during the preparatory period ( n = 162, 50%), especially during training periods. The KOS subscales scores (Mean ± Sd) for activities of daily living (ADL) and sports activity (SAS) were, respectively, 89 ± 11 and 91 ± 9. The self-reported scores for both the ADL and SAS subscales were, respectively, 89 ± 11 and 90 ± 10. Pearson coefficients of ADL and SAS subscales with their self-reported score were r = 0.761 ( p < 0.0001) and r = 0.782 and ( p < 0.0001), respectively. The profile of knee injuries in the current investigation is similar to previous surveys that reported lower extremity injury patterns. The findings of this study could be adopted to inform practice aimed at planning interventions for the reduction and prevention of knee injuries among karatekas.

Suggested Citation

  • Hamidreza Naserpour & Julien S. Baker & Amir Letafatkar & Giacomo Rossettini & Frédéric Dutheil, 2021. "An Investigation of Knee Injury Profiles among Iranian Elite Karatekas: Observations from a Cross-Sectional Study," IJERPH, MDPI, vol. 18(13), pages 1-9, June.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:13:p:6888-:d:583159
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    References listed on IDEAS

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    1. Laura Piejko & Dariusz Mosler & Natalia Grzebisz, 2019. "Sport Injuries in Karate Kyokushin Athletes," Biomedical Journal of Scientific & Technical Research, Biomedical Research Network+, LLC, vol. 15(1), pages 11134-11142, February.
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