在盲人和有视力的个体中,对行走期间的干加速的动态稳定性评估
Zeinab Rasouli Kahaki1, Alireza Choobineh2, Mohsen Razeghi3
1Student Research Committee, Department of Ergonomics, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran.
BMC ophthalmology
|March 22, 2024
概括
先天性视力丧失在前后和垂直轴上显著降低了动态步行稳定性. 这凸显了视力在走路时保持平衡的关键作用,即使在有视力的个体中也是如此.
科学领域:
- 人类运动的生物力学.
- 步态分析 步态分析
- 传感器集成到电机控制中
背景情况:
- 动态稳定对于直立姿势和运动至关重要.
- 视觉在控制人类运动和保持平衡方面发挥着重要作用.
- 终身视力丧失对动态步行稳定性的影响尚不清楚.
研究的目的:
- 研究先天性视力丧失对动态步行稳定性的影响.
- 为了比较具有先天性失明和有视力的个体之间的步行稳定性参数.
主要方法:
- 这项研究包括20名先天性失明患者和10名有视力的人.
- 动态步行稳定性是使用车加速数据 (前后,垂直,中侧轴) 来评估的.
- 测量的关键参数包括标准偏差,波比 (HR),改进的波比 (iHR) 和根平均平方 (RMS).
主要成果:
- 盲人参与者在前后 (AP) 和垂直 (V) 轴上表现出明显较低的动态稳定性参数 (SD,HR,iHR,RMS),而视力较强的参与者 (眼睛开放).
- 在比较盲人和有视力的人 (闭眼),最大,范围,标准偏差和RMS的显著差异仅在AP轴上被发现.
- 在比较眼睛打开与眼睛关闭条件时,有视力的个体在垂直轴波比率上显示出显著的差异.
结论:
- 先天性视力丧失导致步行过程中AP和V方向的动态稳定性降低.
- 视觉信息对于保持步行稳定至关重要,即使在对有视力的人来说不具有挑战性的条件下.
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