被动背部支外套在导致疲劳的姿势维护任务期间对姿势控制和认知表现的影响.
Jiwon Kim1, Sang Hyeon Kang1, Jinfeng Li1
1Iowa State University, USA.
Human factors
|January 3, 2024
概括
一件被动背部支外套有效地减少了肌肉疲劳,并在长时间静止姿势任务中改善了姿势控制. 这种可穿戴技术还提高了认知表现,特别是在信息整合方面.
科学领域:
- 人体工程学和人类因素
- 生物力学 生物力学
- 神经科学是一个神经科学.
背景情况:
- 穿戴式支系统,如外衣,旨在减轻身体压力.
- 这些系统可能通过减轻肌肉疲劳来间接影响姿势控制和认知功能.
研究的目的:
- 为了评估被动背部支外套的有效性.
- 在疲劳的姿势维护任务中评估其对姿势控制和认知表现的影响.
主要方法:
- 18名参与者进行了16分钟的,35°的干曲姿势任务,带着外套和没有外套.
- 使用了双任务认知评估 (信息获取,整合,行动实施) 和压力中心 (CoP) 措施.
- 勃起脊柱肌肉活动和感知的工作负载被记录下来.
主要成果:
- 外衣显著降低了起器脊柱肌肉疲劳 (在Δ中位频率下减少61%).
- 外套使用通过降低COP速度 (23%小) 提高了姿势控制.
- 认知表现,特别是信息整合,得到了提高 (8%更高的碰到信号比率),感知工作量减少.
结论:
- 被动背部支外套在持续静态姿势期间为姿势控制和认知处理提供了好处.
- 这些发现表明,对需要身体和认知努力的职业有积极的影响.
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