有一个支点的圆圈的动态平衡马练习练习
Taiga Yamasaki1, Kazuie Nishiwaki2, Motoyuki Nawa3
1Faculty of Computer Science and Systems Engineering, Okayama Prefectural University, Soja, 719-1197, Japan. taiga@cse.oka-pu.ac.jp.
Scientific reports
|September 7, 2024
概括
这项研究模拟了双腿马圈中的动态平衡,揭示了身体旋转和关节扭矩如何影响稳定性. 研究结果为改善体操技巧和理解这种复杂运动的机制提供了洞察力.
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 运动学 运动学
背景情况:
- 马上的双腿圈需要显著的动态平衡.
- 在这些练习中保持动态平衡的理论理解是有限的.
研究的目的:
- 提出一个简单的理论模型,用于动态平衡的马圈.
- 要对这种动态平衡模型的属性进行定性分析.
主要方法:
- 模拟体操运动员的身体作为一个单一的刚性身体,有一个支点.
- 在大多数分析中,假设对称,恒定速度的圆圈.
- 由零手腕和肩膀关节扭矩定义的动态平衡,代表最低强度要求.
主要成果:
- 对称圆圈:圆圈周期的减少增加了脚的高度和半径;身体旋转抬起脚;肩膀/手腕扭矩影响着姿势.
- 不对称的圆:质中心 (CoM) 半径随着角速度的减小而增加;随着向上的CoM加速,身体的角度增加.
- 机械原理: CoM 运动与形摆形有关;详细介绍了手掌反应力对齐和手腕扭矩对角动量的影响.
结论:
- 该模型提供了对马动态平衡的理论见解.
- 结果可以帮助理解和增强马的炼技巧.
- 突出了关节扭矩和身体力学在体操稳定的作用.
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