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  • Lower limb kinematics of single-leg squat performance in patients with anterior cruciate ligament deficiency

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    Horan496995-Published.pdf (812.3Kb)
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    Version of Record (VoR)
    Author(s)
    Yokoyama, Shigeki
    Fukuda, Wataru
    Ikeno, Yutaro
    Kataoka, Yusuke
    Horan, Sean A
    Griffith University Author(s)
    Horan, Sean A.
    Year published
    2021
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    Abstract
    [Purpose] This study investigated the parameters that characterize the knee, hip, and pelvic kinematics during a single-leg squat in preoperative anterior cruciate ligament rupture injury. [Participants and Methods] Overall, 15 patients with unilateral anterior cruciate ligament deficiency were enrolled in this study. For each single-leg squat, data from two-dimensional video cameras and three-dimensional motion analysis were collected. Measurement indices included the articular angles of the knee, hip, and trunk. The anterior cruciate ligament-injured leg was compared with the uninjured leg. [Results] The maximum knee valgus ...
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    [Purpose] This study investigated the parameters that characterize the knee, hip, and pelvic kinematics during a single-leg squat in preoperative anterior cruciate ligament rupture injury. [Participants and Methods] Overall, 15 patients with unilateral anterior cruciate ligament deficiency were enrolled in this study. For each single-leg squat, data from two-dimensional video cameras and three-dimensional motion analysis were collected. Measurement indices included the articular angles of the knee, hip, and trunk. The anterior cruciate ligament-injured leg was compared with the uninjured leg. [Results] The maximum knee valgus and flexion angles during a single-leg squat were smaller in the injured leg than in the uninjured leg. During the single-leg squat, the effect of "compensatory mechanisms" appeared as knee valgus and flexion movements. In particular, the knee valgus angle decreased in the anterior cruciate ligament-injured leg compared to that in the uninjured leg. [Conclusion] This phenomenon suggests that it is possible to utilize recurrence prevention training for anterior cruciate ligament injury.
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    Journal Title
    Journal of Physical Therapy Science
    Volume
    33
    Issue
    5
    DOI
    https://doi.org/10.1589/jpts.33.429
    Copyright Statement
    © 2021 The Society of Physical Therapy Science. Published by IPEC Inc. This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (by-nc-nd) License. (CC-BY-NC-ND 4.0: https://creativecommons.org/licenses/by-nc-nd/4.0/)
    Subject
    Biomedical and clinical sciences
    Compensatory mechanisms
    Knee dynamic valgus
    Three-dimensional kinematic analysis
    Publication URI
    http://hdl.handle.net/10072/409368
    Collection
    • Journal articles

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