老年人的反应性转向行为:随着任务需求增加,与年龄相关的下降明显
Takahito Nakamura1, Yuki Suda2,3, Takahiro Higuchi2
1Department of Physical Therapy, School of Health and Social Services, Saitama Prefectural University, Saitama, Japan.
Experimental aging research
|December 13, 2024
概括
老年人显示,当任务需求增加时,反应性转向能力下降. 这项研究强调了使用任务交换范式的反应性转性能与年龄相关的下降.
科学领域:
- 生物力学 生物力学
- 老年学是一门学科.
- 人类运动科学科学 人类运动科学
背景情况:
- 反应性转是一个关键的动态平衡任务.
- 与年龄相关的变化可能会影响执行反应性转的能力.
- 任务交换模式可以增加认知和运动需求.
研究的目的:
- 研究与年龄相关的反应性转的差异.
- 检查增加任务需求对反应性转性能的影响.
- 利用任务交换范式来评估老年人和年轻人的反应性转.
主要方法:
- 20名健康的老年人和14名年轻人参与了这项研究.
- 参与者在行走时进行了反应性和预先计划的90度转.
- 一个任务交换范式被用来增加反应性转的不可预测性.
主要成果:
- 年龄组之间质量中心 (COM) 转移的开始没有显著差异.
- 年长的成年人在反应性转时表现出延迟的COM转移和更大的骨盆旋转.
- 相关性分析表明,老年人转性能受损,COM转延迟.
结论:
- 响应式转动中任务需求增加显示了与年龄相关的性能下降.
- 年长的成年人在更高的任务要求下,难以快速响应和足够的身体旋转.
- 任务交换范式有效地识别了反应性转中与年龄相关的缺陷.
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