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S138| Volume 24, SUPPLEMENT 1, S22, November 2021

Are physical activity or body mass index associated with subsequent knee injuries in young female athletes?

  • C. Barton
    Affiliations
    La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services, and Sport, La Trobe University, Australia

    Department of Surgery, St Vincent’s Hospital, The University of Melbourne, Australia
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  • M. Brussoni
    Affiliations
    School of Population and Public Health, University of British Columbia, Canada

    British Columbia Children’s Hospital Research Institute, Canada

    BC Injury Research and Prevention Unit, Canada

    Department of Pediatrics, University of British Columbia, Canada
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  • C. Emery
    Affiliations
    Sport Injury Prevention Research Centre, Faculty of Kinesiology, Canada

    Departments of Pediatrics and Community Health Sciences, Cumming School of Medicine, Canada

    The Alberta Children’s Hospital Research Institute, Obrien Institute of Public Health and McCaig Institute for Bone and Joint Health, University of Calgary, Canada
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  • A. Ezzat
    Affiliations
    La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, Human Services, and Sport, La Trobe University, Australia

    Department of Physical Therapy, University of British Columbia, Canada
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  • L. Mâsse
    Affiliations
    School of Population and Public Health, University of British Columbia, Canada

    British Columbia Children’s Hospital Research Institute, Canada
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      Introduction: Anterior cruciate ligament (ACL) injuries are devastating for young, active individuals, with up to 50% developing osteoarthritis (OA) before aged 40 years. Subsequent knee injury rates are high and lead to even poorer long-term joint health. At 2-3 years after ACL reconstruction (ACLR), the relationships between known modifiable OA risk factors [e.g. moderate and vigorous physical activity (MVPA), body mass index (BMI)] and subsequent knee injury is unknown. The objective of this study was to determine the odds of subsequent (new or recurrent) traumatic knee injury in a cohort of young females with ACLR 2-3 years post-surgery compared with healthy matched-controls. Secondary objectives were to (i) explore the relationships of MVPA and BMI with traumatic knee injury; (ii) document self-reported MVPA satisfaction and beliefs about future OA.
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