3D下肢动力学和足部推进力之间的关系 胸部中风的过程中
Daiki Koga1, Takaaki Tsunokawa2, Eisuke Kawai2,3
1Department of Systems and Control Engineering, School of Engineering, Institute of Science Tokyo, Tokyo, Japan.
Sports biomechanics
|November 10, 2025
概括
胸游泳者可以通过优化腿部运动来增强推进力. 在膝盖延伸过程中调整运动范围和增加关节角速度,并在入阶段最大限度地提高脚的速度是更大的推进的关键.
科学领域:
- 生物力学 生物力学
- 运动科学 运动科学 运动科学
- 游泳表现表现 游泳表现表现
背景情况:
- 腿推进对于胸部冲动游泳速度至关重要.
- 推进力和腿部动力学之间的确切关系尚未得到充分理解.
- 识别特定的腿部运动,以最大限度地提高脚的推进力,对于提高游泳效率至关重要.
研究的目的:
- 为了研究特定的腿部动力学变量和足部推进力之间的相关性.
- 为了识别关键的腿部运动,增强在周期期间的推进力.
主要方法:
- 十四名男子游泳者在游泳管中进行了最大努力的胸部.
- 一个运动捕捉系统记录了腿部动力学.
- 脚上的八个压力传感器测量了脚的推进力.
主要成果:
- 在膝盖伸展过程中,脚的推进力与部和脚运动范围 (ROM) 以及膝盖和脚关节的角速度显著相关.
- 在入阶段,脚的推进力与脚的结果速度,前后速度和垂直速度有很强的相关性.
- 在膝盖伸展过程中,ROM和角度速度的特定动力学调整,以及在入过程中更高的脚速度,与增加的推进力有关.
结论:
- 在膝盖延伸过程中优化下肢关节的运动范围和角度速度可以增强胸部冲动的推进.
- 在入阶段最大化脚速对于产生更大的推进力至关重要.
- 这些发现为教练和游泳运动员提供了宝贵的见解,旨在改善胸部技巧和表现.
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