双脚在没有和带有障碍的跳跃:全球机制
Reinhard Blickhan1, Emanuel Andrada2, Eishi Hirasaki3
1Science of Motion, Friedrich-Schiller-University, 07749 Jena, Germany.
The Journal of experimental biology
|March 1, 2024
概括
双脚使用单边跳跃,一个跳跃的步态,在更高的速度. 这项研究阐明了在跳跃和冲时的不同腿部使用和能量,揭示了的独特运动.
科学领域:
- 生物力学 生物力学
- 灵长类的移动方式
- 进化生物学 进化生物学
背景情况:
- 经过两足运动训练的子表现出不同的跑步步态.
- 在更高的速度时,观察到单边跳跃 (冲) 和障.
- 在双脚跳跃中了解不同腿部功能至关重要.
研究的目的:
- 调查跳跃和冲期间的腿部动力学和能量.
- 澄清前后两条腿的差异操作.
- 分析虚拟转点 (VPP) 和质量中心 (CoM) 动态.
主要方法:
- 有效和虚拟腿部属性的分析.
- 测量VPP位置和COM能量.
- 在跳跃和冲时对腿部运动的动力学分析.
主要成果:
- 跳跃显示了轻微的双重支和空气阶段,与不对称的腿部使用.
- 领先的腿部接触提升了CoM;轴和触角腿部工作是关键.
- 障碍物放大了差分腿的使用,需要更高的地面力量和双重支.
- 跳跃和杆跳跃功能作为基于CoM动态的跳跃步态.
- 的VPP高度与人类的步行和跑步相一致.
结论:
- 由于解剖学上的限制,的单方面跳跃与人类的运动不同.
- 这种步态可能代表着地面和空中跑步之间的中间形式.
- 不同的腿部操作是子双脚跳跃和的关键特征.
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