步态不对称特征:站立时胸腔侧偏与步态不对称指数的关系。

Ayumi Mohara, Yuuki Homma, Naruyoshi Komuro, Akira Hirosawa, Suguru Yokota, Fujiyasu Kakizaki
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引用次数: 0

摘要

【目的】本研究旨在确定步态中额平面运动是否存在普遍的左右不对称,并探讨其与静息站立姿势的关系。[对象与方法]采用三维运动分析系统对25名无手术史的健康成年男性进行站立和步态评估。比较左、右两站姿阶段躯干和质心的最大横向位移、垂直地面反力峰值、压力中心的横向位置。并对站立姿势不对称与步态的关系进行了评价。[结果]大多数参与者在站立时相对于骨盆表现出向左的胸偏。步态中,左站阶段质心的横向移动、垂直地反力的第一个峰值、压力中心的横向位置均明显大于右站阶段。此外,站立姿势时较大的左胸偏度与步态时躯干外侧和质心运动的较大不对称性相关。[结论]静息站立姿势和步态均存在前后一致的左右不对称性。站立时的左胸偏似乎会在步态时将重心移到左侧,可能导致低效的步态模式。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Gait asymmetry characteristics: relationship between lateral deviation of the thorax in the standing position and asymmetry indices during gait.

Gait asymmetry characteristics: relationship between lateral deviation of the thorax in the standing position and asymmetry indices during gait.

Gait asymmetry characteristics: relationship between lateral deviation of the thorax in the standing position and asymmetry indices during gait.

Gait asymmetry characteristics: relationship between lateral deviation of the thorax in the standing position and asymmetry indices during gait.

[Purpose] This study aimed to determine whether a common left-right asymmetry exists in frontal plane movement during gait and to explore its relationship with resting standing posture. [Participants and Methods] Twenty-five healthy adult male participants with no history of surgery were assessed during standing and gait using a three-dimensional motion analysis system. The maximum lateral movement of the trunk and center of mass, peak of the vertical ground reaction force, and lateral position of the center of pressure were compared between the left and right stance phases. The relationship between asymmetry in standing posture and gait was also evaluated. [Results] Most participants exhibited a leftward thoracic deviation relative to the pelvis while standing. During gait, lateral movement of the center of mass, first peak of the vertical ground reaction force, and lateral position of the center of pressure were all significantly greater during the left stance phase compared with the right. Additionally, greater leftward thoracic deviation in the standing posture was associated with larger asymmetry in lateral trunk and center of mass movement during gait. [Conclusion] A consistent left-right asymmetry was observed in both resting standing posture and gait. Leftward thoracic deviation in standing appears to shift the center of mass to the left during gait, potentially contributing to inefficient gait patterns.

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