在患有轻度中度帕金森病的个体中,行走时的肢体和关节运动
Emily M Hayworth1, Stephanie M Casnave1, Chelsea Duppen2
1Division of Physical Therapy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
Journal of biomechanics
|April 7, 2024
概括
患有帕金森病 (PD) 的人表现出走路异常,但可以调整推卸和腿摇摆机制以保持步伐长度,表明尽管部延伸冲动减少,但仍保留了运动储备.
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:
- 帕金森病 (PD) 的特点是空间时空步行缺陷.
- 了解四肢和关节动力学对于识别PD中潜在的步态异常至关重要.
研究的目的:
- 确定PD患者肢体和关节运动中的步态异常.
- 检查推开和腿摇摆缺陷如何有助于缩短PD的步骤长度.
- 为了研究步态力学在应对挑战时的适应能力.
主要方法:
- 在10名患有PD的参与者和11名控制者之间,在地面和跑步机上行走时,比较了步态参数 (空间时空,动力,力).
- 在跑步机上对骨盆 (推开) 和脚 (腿摇摆) 施加约束力,以挑战特定的步态部件.
- 在不同的行走条件下分析了部延伸冲动和推进冲动.
主要成果:
- 在可比速度的跑步机上没有观察到任何时空差异,尽管地面上的差异.
- 患有PD的参与者在典型的行走过程中表现出较小的部伸展冲动.
- PD组通过在挑战推开时增加推进冲动来保持步骤长度.
- PD组保持了脚步长度,而不是抵御腿摇摆,并增加了脚步长度.
结论:
- 减少部延伸扭矩可能表明帕金森病的早期步态恶化.
- 患有PD的个体表现出适应能力,增加部延伸扭矩和四肢推进力,以应对需求.
- 肢体力学中保留的储备使得PD患者能够弥补步行挑战.
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