相关实验视频
Updated: Jan 17, 2026

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Experimental Methods to Study Human Postural Control
Published on: September 11, 2019
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手架上的部角度改变了多关节可变性的模式
Roman Farana1, Pavel Brtva1, Gareth Irwin1,2
1Department of Human Movement Studies, University of Ostrava, Czech Republic.
Journal of motor behavior
|September 22, 2025
概括
在手架上,延伸的部角度提供了最大的稳定性,通过将质量中心 (CM) 移动最小化. 这种姿势在体操中是首选的,因为它与减少关节变化的联系.
科学领域:
- 生物力学 生物力学
- 人类运动科学科学 人类运动科学
- 运动科学 运动科学 运动科学
背景情况:
- 手站稳定对于体操运动员来说至关重要.
- 子姿势对整体身体稳定性的影响尚未完全理解.
- 了解与质量中心 (CM) 相关的关节变异性是性能的关键.
研究的目的:
- 为了研究不同的部角度 (延伸,中性,曲) 如何影响手站时的质量中心 (CM) 稳定性.
- 分析经验丰富的女体操运动员的部角和关节角变化之间的关系.
- 为了确定特定的关节角度变化对CM运动在不同部姿势中的贡献.
主要方法:
- 七名精英女体操运动员用三个部姿势进行了手站:伸展,中立和曲.
- 使用3D运动捕捉技术收集动力数据.
- 对关节角度 (手腕,肘部,肩部,部,部) 和CM位置进行了可变性分析.
主要成果:
- 延伸的部角度姿势显示了最低的CM变异性,与其在体操中的常见使用相关.
- 关节角度变化与CM运动有显著的相关性. 延伸部角度主要涉及肩膀 (33%),手腕 (23%) 和部 (21%) 的变化.
- 中性部角度与部变异性 (32%) 有中度的相关性,而曲的部角度严重依赖部角度变异性 (63%).
结论:
- 子角度在手立姿势变化中起着重要作用.
- 关节角度变化,视觉信息和强力反射调节部角度对手架稳定的影响.
- 优化部姿势可以提高体操运动员的手站性能和稳定性.
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