正常和蒙眼步态下下肢关节力矩的轨迹和不对称性。

Naruyoshi Komuro, Akira Hirosawa, Tatsuya Sano, Ayumi Mohara, Taito Nakamura, Minoru Fukunaga, Yuuki Homma, Fujiyasu Kakizaki
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引用次数: 0

摘要

【目的】本研究通过分析正常和蒙眼步态下的步态轨迹和额平面下肢力矩的不对称性来检验步态的不对称性。【对象与方法】采用三维运动分析仪和测力板测定20例健康成年男性站立时的胸廓侧偏和上下胸廓不对称比。骨盆和胸椎旋转角;并且测量了在完全和没有视觉的步态中,髋部、膝关节和踝关节在前平面的不对称性。[结果]胸腔相对骨盆偏左,上下胸廓形状不对称。无视觉步态与全视觉步态相比,步态轨迹明显向左偏移,骨盆和胸腔明显向左旋转。无视觉步态中位时膝关节力矩和负荷反应时踝关节力矩的不对称性明显低于全视觉步态。[结论]健全人本体感觉主干信息不平衡。本体感觉信息的不平衡可能导致步态中膝关节和踝关节的不对称运动。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Trajectory and asymmetry of lower limb joint moments during normal and blindfolded gait.

Trajectory and asymmetry of lower limb joint moments during normal and blindfolded gait.

Trajectory and asymmetry of lower limb joint moments during normal and blindfolded gait.

Trajectory and asymmetry of lower limb joint moments during normal and blindfolded gait.

[Purpose] This study examined gait asymmetry through analyzing gait trajectories and asymmetry of the lower limb moment of the frontal plane in normal and blindfolded gaits. [Participants and Methods] A three-dimensional motion analyzer and force plates were used to determine the thoracic lateral deviation and asymmetrical ratios of the upper and lower thoracic shapes in the standing position of 20 healthy adult men. The progression angle pelvic and thoracic rotation angles; and asymmetry of the hip, knee, and ankle moments in the frontal plane in full- and no-vision gaits were measured. [Results] The thorax deviated to the left relative to the pelvis, and the upper and lower thoracic shapes were asymmetric. The no-vision gait trajectory exhibited a significantly deviated to the left, and the pelvis and thorax were significantly rotated to the left compared with those of the full-vision gait. Asymmetry of the knee moment at the mid-stance and the ankle moment at the loading response were significantly lower under no-vision gait than during full-vision gait. [Conclusion] The proprioceptive trunk information was unbalanced in able-bodied participants. Imbalances in proprioceptive information may cause asymmetric motion of the knee and ankle during gait.

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