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Center of Pressure Deviation during Posture Transition in Athletes with Chronic Ankle Instability

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  • Takanori Kikumoto

    (Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City 950-3198, Niigata, Japan
    Department of Physical Therapy, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City 950-3198, Niigata, Japan)

  • Shunsuke Suzuki

    (Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City 950-3198, Niigata, Japan)

  • Tomoya Takabayashi

    (Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City 950-3198, Niigata, Japan
    Department of Physical Therapy, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City 950-3198, Niigata, Japan)

  • Masayoshi Kubo

    (Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City 950-3198, Niigata, Japan
    Department of Physical Therapy, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-Ku, Niigata City 950-3198, Niigata, Japan)

Abstract

Center of pressure (COP) tracking during posture transition is an ideal scale for determining the recurrence of an ankle injury, thereby preventing chronic ankle instability (CAI). However, the same is difficult to determine because the reduced ability of certain patients (who experienced sprain) to control posture at the ankle joint is masked by the chain of hip and ankle joint motion. Thus, we observed the effects of knee joint immobilization/non-immobilization on postural control strategies during the posture transition task and attempted to evaluate the detailed pathophysiology of CAI. Ten athletes with unilateral CAI were selected. To examine differences in COP trajectories in the CAI side and non-CAI legs, patients stood on both legs for 10 s and one leg for 20 s with/without knee braces. COP acceleration during the transition was significantly higher in the CAI group with a knee brace. The COP transition from the double- to single-leg stance phase was significantly longer in the CAI foot. In the CAI group, the fixation of the knee joint increased COP acceleration during postural deviation. This suggests that there is likely an ankle joint dysfunction in the CAI group that is masked by the hip strategy.

Suggested Citation

  • Takanori Kikumoto & Shunsuke Suzuki & Tomoya Takabayashi & Masayoshi Kubo, 2023. "Center of Pressure Deviation during Posture Transition in Athletes with Chronic Ankle Instability," IJERPH, MDPI, vol. 20(8), pages 1-10, April.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:8:p:5506-:d:1123239
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    References listed on IDEAS

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    1. Dagmar Sternad & Masaki O Abe & Xiaogang Hu & Hermann Müller, 2011. "Neuromotor Noise, Error Tolerance and Velocity-Dependent Costs in Skilled Performance," PLOS Computational Biology, Public Library of Science, vol. 7(9), pages 1-15, September.
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