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Lower Limb Biomechanical Analysis of Healthy Participants
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在健康的年轻人身上,爆炸性下肢强度和着陆时的冲击力之间的关系
Kaisei Yamaki1, Daijirou Kanai1, Shigehito Matsubara1,2
1Graduate School of Health Sciences, Kumamoto Health Science University, Kumamoto, Japan.
Sports biomechanics
|June 9, 2025
概括
使用扭矩发展率 (RTD) 在30°膝盖曲角度评估腿筋强度,可以帮助降低着陆期间过度的垂直地面反应力 (VGRF),从而可能防止前十字带损伤.
科学领域:
- 生物力学 生物力学
- 运动医学 运动医学
- 伤害预防 预防伤害
背景情况:
- 降落期间过度的垂直地面反应力 (VGRF) 是前十字带 (ACL) 损伤的已知危险因素.
- 以前的研究表明,峰值VGRF和大腿肌肉的最大自愿收缩 (MVC) 之间存在微弱的相关性.
研究的目的:
- 为了研究着陆期间峰值VGRF和在各种膝盖曲角度的扭矩发展速度 (RTD) 之间的关系.
- 为了确定特定的肌肉力量措施,可以预测和潜在地减轻着陆期间高VGRF.
主要方法:
- 36名身体活跃的成年人 (18名男性) 参加了这项研究.
- 四肢和腿筋MVC和RTD使用异动力学动力计在30°,60°和90°的膝盖曲角度进行测量.
- 登陆期间的VGRF峰值被记录并与肌肉强度测量相关分析.
主要成果:
- 在30°膝曲的腿筋RTD和峰值VGRF (r = -0.71,p = 0.001) 之间观察到显著的负相关性.
- 在峰值VGRF和其他测试的肌肉力量测量 (MVC,其他角度的RTD) 之间没有发现显著的相关性.
结论:
- 腿筋RTD在30°膝盖曲角度是降落期间峰值VGRF的关键预测因素.
- 在特定的关节姿势和与着陆相关的时间评估肌肉力量对于有效的预防伤害策略至关重要,其目标是减少VGRF.
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