中风后个体在跑步机行走过程中对侧向骨盆辅助力的运动适应
Motor adaptation to lateral pelvis assistance force during treadmill walking in individuals post-stroke.
作者信息
Wu Ming, Hsu Chao-Jung, Kim Janis
出版信息
IEEE Int Conf Rehabil Robot. 2017 Jul;2017:300-303. doi: 10.1109/ICORR.2017.8009263.
Abstract
The goal of this study was to determine how individuals post-stroke response to the lateral assistance force applied to the pelvis during treadmill walking. Ten individuals post chronic (> 6 months) stroke were recruited to participate in this study. A controlled assistance force (∼10% of body weight) was applied to the pelvis in the lateral direction toward the paretic side during stance of the paretic leg. Kinematics of the pelvis and legs were recorded. Applying pelvis assistance force facilitated weight shifting toward the paretic side, resulting in a more symmetrical gait pattern but also inducing an enlarged range of motion of the pelvis during early adaptation period. The neural system of individuals post stroke adapted to the pelvis assistance force and showed an aftereffect consists of reduced range of motion of the pelvis following load release during post adaptation period.
摘要
本研究的目的是确定中风后个体在跑步机行走过程中对施加于骨盆的侧向辅助力的反应。招募了10名慢性（>6个月）中风患者参与本研究。在患侧腿站立期间，向患侧方向的骨盆施加一个可控的辅助力（约为体重的10%）。记录骨盆和腿部的运动学数据。施加骨盆辅助力有助于体重向患侧转移，从而形成更对称的步态模式，但在早期适应期也会导致骨盆运动范围增大。中风后个体的神经系统适应了骨盆辅助力，并在适应期后表现出一种后效应，即负荷释放后骨盆运动范围减小。
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