前脚冲击和脚外跑对部接触力的影响:基于肌肉骨建模的研究
P L Leung1, R S S Subasinghe Arachchige2, T S Ip1
1School of Medical and Health Sciences, Tung Wah College, Hong Kong.
Journal of biomechanics
|September 8, 2025
概括
改变跑步步履模式可以改变部接触力 (HCF),可能有助于部骨关节炎 (OA) 管理. 前脚冲击运行显著改变了垂直的HCF,但不是正面平面的力量.
科学领域:
- 生物力学 生物力学
- 整形外科 整形外科 整形外科
- 运动医学 运动医学
背景情况:
- 关节炎 (OA) 是一个日益增长的全球健康和经济挑战.
- 通过关节负荷,跑步可能有利于软骨健康,但姿势修改对部接触力 (HCF) 的生物力学影响尚不清楚.
研究的目的:
- 为了研究自然跑步,前脚冲击 (FFS) 跑步和脚跑步期间的HCF差异.
- 为了确定修改跑步姿势是否会影响OA相关的关节负荷.
主要方法:
- 十名健康参与者进行了三种随机运行条件:自然,FFS和toe-out.
- 运动捕捉和力板记录了生物力学,使用OpenSim计算HCF.
- 单向重复测量 ANOVA 分析了主体内 HCF 差异.
主要成果:
- 前脚冲击运行在早期姿势中显著减少了垂直的HCF,但与自然和脚外运行相比,在晚期姿势中增加了它.
- 在各种条件中,没有发现中侧侧 HCF 的显著差异.
- 与自然运行相比,出脚的跑步并没有显著改变垂直或中侧侧 HCF.
结论:
- 修改足球冲击模式是一种潜在的策略,可以在跑步时改变垂直的HCF.
- 当前的修改 (FFS,toe-out) 并没有有效地改变前面平面HCF.
- 这些发现可能会为通过运行修改来管理关节骨质炎的干预措施提供信息.
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