在功能任务中被动膝关节外骨架:SpringExo卷轴弹对的生物机械效应
Rand Hidayah1, Dongbao Sui2, Kennedi A Wade1
1Department of Mechanical Engineering, Columbia University, New York City, New York, USA.
Wearable technologies
|March 15, 2024
概括
在SpringExo被动外骨架减少膝盖延伸肌肉在坐上升过程中的努力,帮助工业负载提升. 这种人体工程学设备可以帮助移动,而不会改变用户的姿势或脚位.
科学领域:
- 生物力学 生物力学
- 可穿戴式机器人技术
- 人体工程学就是人体工程学.
背景情况:
- 被动可穿戴外骨架为工业任务提供了人体工程学优势.
- 这些设备可以减少下肢疲劳和负载提升期间的压力.
- 斯普林埃克索是一款新的卷轴弹外骨架,旨在协助膝盖延伸.
研究的目的:
- 为了评估SpringExo外骨在坐运动中的生物力学影响.
- 用该设备评估膝盖屈曲器和延伸器的肌肉激活模式.
- 为了确定外骨在举重任务的上升阶段是否减少了肌肉的努力.
主要方法:
- 七名健康的参与者用SpringExo和不用SpringExo进行了重复的.
- 测量了直骨 femoris 和双腿骨的肌肉激活.
- Squat 时间,膝盖曲角度和脚压被记录下来.
主要成果:
- 在上升阶段,SpringExo显著降低了直骨的激活 (-2%).
- 在下降过程中,没有观察到双腿骨激活的显著变化.
- 平均坐时间增加了 (+0.02秒),最大坐时间增加了 (+0.1秒),平均膝盖曲角度减少了 (-4°).
- 外骨没有影响脚的负载或位置.
结论:
- 在SpringExo提供在坐的上升阶段减少了努力,有利于起重任务.
- 该设备允许无助下降,并且不会对用户的生物力学或姿势产生负面影响.
- 像SpringExo这样的被动外骨显示出提高工业人体工程学和减少用户疲劳的潜力.
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