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The Effect of a Knee Brace on Muscle Forces during Single-Leg Landings at Two Heights

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  • Yubin Wang

    (School of Sport and Health Science, Dalian University of Technology, Dalian 116024, China
    College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Nanjing 213300, China)

  • Haibin Liu

    (School of Sport and Health Science, Dalian University of Technology, Dalian 116024, China)

  • Huidong Wei

    (College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics, Nanjing 213300, China)

  • Chenxiao Wu

    (School of Sport and Health Science, Dalian University of Technology, Dalian 116024, China)

  • Feijie Yuan

    (School of Sport and Health Science, Dalian University of Technology, Dalian 116024, China)

Abstract

Single-leg landing is one of the maneuvers that has been linked to non-contact anterior cruciate ligament (ACL) injuries, and wearing knee braces has been shown to reduce ACL injury incidence. The purpose of this study was to determine whether wearing a knee brace has an effect on muscle force during single-leg landings at two heights through musculoskeletal simulation. Eleven healthy male participants, some braced and some non-braced were recruited to perform single-leg landings at 30 cm and 45 cm. We recorded the trajectories and ground reaction forces (GRF) using an eight-camera motion capture system and a force platform. The captured data were imported into the generic musculoskeletal model (Gait2392) in OpenSim. Static optimization was used to calculate the muscle forces. The gluteus minimus, rectus femoris, vastus medialis, vastus lateralis, vastus medialis medial gastrocnemius, lateral gartrocnemius, and soleus muscle forces were all statistically significant different between the braced and non-braced participants. Simultaneously, increasing the landing height significantly affected the gluteus maximums, vastus medialis, and vastus intermedia muscle forces. Our findings imply that wearing a knee brace may alter muscle forces during single-leg landings, preventing ACL injuries. Additionally, research demonstrates that people should avoid landing from heights due to the increased risk of knee injuries.

Suggested Citation

  • Yubin Wang & Haibin Liu & Huidong Wei & Chenxiao Wu & Feijie Yuan, 2023. "The Effect of a Knee Brace on Muscle Forces during Single-Leg Landings at Two Heights," IJERPH, MDPI, vol. 20(5), pages 1-8, March.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:5:p:4652-:d:1088969
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    References listed on IDEAS

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    1. Hossein Mokhtarzadeh & Chen Hua Yeow & James Cho Hong Goh & Denny Oetomo & Katie Ewing & Peter Vee Sin Lee, 2017. "Antagonist muscle co-contraction during a double-leg landing maneuver at two heights," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 20(13), pages 1382-1393, October.
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