在中风患者的全身接触过程中改变了预期性姿势调整
Yosuke Tomita1,2,3, Aditi A Mullick2,3, Anatol G Feldman3,4
1Department of Physical Therapy, Faculty of Health Care, Takasaki University of Health and Welfare, Gunma, Japan.
脑卒中幸存者由于协调障碍而难以全身伸展. 改变的预期性姿势调整 (APA) 和长时间的运动表明更多地依赖手臂补偿,影响平衡.
科学领域:
- 神经科学是一个神经科学.
- 生物力学 生物力学
- 发动机控制器的控制器
背景情况:
- 有效的伸手而步需要协调手臂运动和姿势调整.
- 脑卒中显著损害了协调多段身体运动的能力,其潜在机制尚不清楚.
- 了解中风对达到性能和预期姿势调整 (APAs) 的影响至关重要.
研究的目的:
- 为了研究中风对达到绩效的影响.
- 为了检查中风患者在全身达到任务期间预期姿势调整 (APA) 的变化.
主要方法:
- 慢性中风患者 (n=18) 和健康对照 (n=13) 之间的站立和步行任务的达到性能进行比较.
- 收集全身动力学和动力学数据.
- 测量"收益" (上肢的部位移补偿) 和APAs (压力中心转移) 在步进任务中.
主要成果:
- 与对照组相比,中风患者表现出较低的增益和改变的APAs.
- 脑卒中组表现出延迟的步骤开始和延长的运动偏移.
- 较高的收益与较轻微的感觉运动障碍和更好的平衡相关;改变的APA与减少的平衡功能相关.
结论:
- 改变的APA和中风中的长时间运动可能会增加对补偿手臂动作的依赖.
- 脑卒中中APA的损伤可能与运动期间参考身体配置的减少变化有关.
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