在跑步时活跃的手臂摆动改善了上半身的旋转稳定性和代谢能量效率
Young-Jun Koo1, Naomichi Ogihara2, Seungbum Koo3
1Artificial Intelligence Computing Research Laboratory, Electronics and Telecommunications Research Institute, Daejeon, Republic of Korea.
Annals of biomedical engineering
|February 3, 2025
概括
在跑步时活跃的手臂摆动显著减少了干的旋转和代谢能量消耗. 这种生物机械策略提高了运行效率,挑战了以前关于移动过程中手臂运动的假设.
科学领域:
- 生物力学 生物力学
- 人体生理学 人体生理学
- 运动科学 运动科学 运动科学
背景情况:
- 手臂摆动在跑步中的作用已被研究为身体上部的稳定性,但其对代谢能效的影响仍在争论中.
- 之前的研究还没有最终得出结论,手臂摆动是否在跑步时节省或消耗能量.
研究的目的:
- 为了研究这样的假设,即在跑步时活跃的手臂摆动会减少干在纵轴周围的角运动.
- 为了确定活跃的手臂摆动是否会在跑步期间降低整体代谢能量消耗.
主要方法:
- 使用前进动力学肌肉骨运行模拟与详细的全身模型 (150个肌肉).
- 采用基于人工神经网络的运行控制器来模拟三个手臂条件:主动摇摆,被动摇摆和固定手臂.
主要成果:
- 积极的手臂摆动导致运输成本最低 (5.52 J/kg-m) 与被动 (5.73 J/kg-m) 和固定手臂 (5.82 J/kg-m) 相比.
- 尽管上肢肌肉活动增加,但总代谢能量消耗在活跃的手臂摆动时较低.
- 在活跃的手臂摆动条件下,干的纵向旋转被最小化.
结论:
- 活跃的手臂摆动有效地减少干角运动和运行期间的代谢能量消耗.
- 这些发现支持这样一个假设:手臂摆动是运行生物力学中的一个活跃的,节能的机制.
- 这项研究提供了关于运行效率的见解,并可能为性能优化和康复策略提供信息.
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