在患有帕金森病的人群中,脚部位置协调受损
Charlotte Lang1, Jeffrey M Hausdorff2,3, Sjoerd M Bruijn4
1Laboratory for Movement Biomechanics, Institute for Biomechanics, Department of Health Sciences & Technology, ETH Zürich, Gloriastrasse 37/39, Zürich, 8092, Switzerland.
Journal of neuroengineering and rehabilitation
|December 6, 2025
概括
患有帕金森病 (PD) 的人在行走时表现出脚部位置控制受损,与健康成年人相比,错误更大. 这表明与身体质量中心协调运动的崩,影响着步态稳定.
科学领域:
- 神经科学是一个神经科学.
- 生物力学 生物力学
- 运动障碍 运动障碍
背景情况:
- 步行不稳定和跌倒是帕金森病 (PD) 患者面临的重大挑战.
- 目前的临床措施还不能完全捕捉到PD中脚步不稳定的控制机制.
- 足部位置控制,对于健康步行的稳定性至关重要,依赖于多感官集成,在PD中可能会受到损害.
研究的目的:
- 调查帕金森病患者在地面行走时足部位置协调是否受损.
- 在PD中检查质量中心 (CoM) 状态和足部位置调整之间的关系.
主要方法:
- 50名患有PD的个人和51名健康的老年人参加了为期10分钟的地面行走任务.
- 通过将实际的脚位与预测的脚位进行比较来计算脚位错误,这些错误是基于前一个摆动阶段的CoM动力状态.
主要成果:
- 与健康对照人相比,患有PD的人在中侧和前后两侧的脚位错误显著增加.
- 这些损伤在步行中期和终端摇摆阶段都被观察到.
- 在PD组中,中侧脚部位置的相对解释变异明显大于PD组,表明控制策略发生了变化.
结论:
- 这项研究提供了第一个证据,证明了帕金森病患者中质量中心和足部位置之间的协调受损.
- 需要进一步的研究来确定脚部位置控制受损,感觉运动一体化缺陷和PD中导致的步态不稳定之间的因果关系.
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