运行着陆方法对腿部运动能力的影响和相关性
Chao-Fu Chen1, Hui-Ju Wu1, Yu-Shih Wang2
11Physical Education College, Huaibei Normal University, China.
Acta of bioengineering and biomechanics
|July 29, 2024
概括
与后脚冲击 (RFS) 相比,前脚冲击着陆 (FFS) 提高了运行经济性,与后脚冲击相比,接触时间更短,腿部度更高. RFS增加了女性的峰值力量,这表明FFS可能更安全.
科学领域:
- 生物力学 生物力学
- 运动科学 运动科学 运动科学
- 人类运动分析 人类运动分析
背景情况:
- 跑步涉及复杂的腿部运动和地面反应力.
- 了解不同的足球撞击模式对于预防伤害和性能优化至关重要.
研究的目的:
- 为了研究前脚撞击 (FFS) 与后脚撞击 (RFS) 降落对腿部运动能力的影响.
- 分析不同步履条件下的各种运行参数之间的关系.
主要方法:
- 30名健康受试者在跑步机上以10公里/小时和160步/分钟的速度跑步,使用FFS或RFS.
- 使用高速录像和Kwon3D运动分析软件来捕获和处理动态数据.
- 分析的参数包括步伐,接触时间,飞行时间,工作因子,步伐角度,垂直刚度,腿部刚度和垂直地面反应力的峰值.
主要成果:
- 与RFS跑步者相比,FFS跑步者表现出更短的接触时间,更长的飞行时间,更短的工作周期,更大的步伐角度和更高的腿部度.
- 在使用RFS的女性中,垂直地面反应力量的峰值显著更高.
- 在女性中,RFS方法增加了腿部度,最初腿部度很低,但也显著增加了峰值垂直地面反应力.
结论:
- 前脚冲击着陆提供生物力学优势,包括改善腿部性和减少某些种群的冲击力.
- 后脚冲撞着陆可能会增加受伤的风险,因为冲击力升高,特别是女性跑步者.
- 针对足球击球模式的性别特异性反应需要在跑步生物力学方面进行进一步的研究.
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