在老年人中,在静静的姿势和动态任务中保持对称的单脚平衡
Paola Janeiro Valenciano1, Victória Emiliano Castan1, Pedro Henrique Martins Monteiro1
1Human Motor Systems Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
Brain research
|March 9, 2024
概括
老年人表现出双腿之间对称的平衡控制,挑战了与年龄相关的不对称性假设. 这项研究发现,在静音和动态任务中,主导腿和非主导腿之间的平衡性能没有显著差异.
科学领域:
- 老年学是一门学科.
- 生物力学 生物力学
- 发动机控制器的控制器
背景情况:
- 衰老通常与腿部之间的肌肉强度差异增加有关,这表明在平衡控制中可能存在腿部之间的不对称性.
- 以前的研究表明,在老年人中,主导腿和非主导腿之间的平衡控制可能存在差异.
研究的目的:
- 为了研究健康的老年人在静静和动态的站立任务期间平衡控制中腿之间的不对称性.
- 为了确定肌肉力量的年龄相关差异是否转化为不对称的平衡控制.
主要方法:
- 52名健康的老年人 (60-80岁) 完成了单脚姿势任务,包括静静地站立和循环腿摇摆 (20厘米振幅,1赫兹).
- 使用智能手机传感器在胸部脊柱测量身体平衡的行李箱加速度计.
- 对平衡控制进行了评估,对比了右与左,首选与非首选的腿.
主要成果:
- 在右腿和左腿之间,或在偏好的腿和非偏好的腿之间,没有发现平衡控制的显著差异.
- 在静态姿势和动态平衡任务中,平衡控制保持对称.
- 双腿之间的高相关系数 (0.71-0.84) 表示双腿之间相关的平衡控制.
结论:
- 健康,身体活跃的老年人表现出对称和协调的腿之间的平衡控制.
- 这些发现挑战了与年龄相关的力量不对称必然导致不对称的平衡控制的假设.
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