腿筋最大同度和偏心强度受到身体质量和额外负荷的影响:膝盖屈曲力达到峰值的临界点是否起作用?
Andrew Rinaldi Sinulingga1,2,3, Erika Zemková1
1Department of Biological and Medical Sciences, Faculty of Physical Education and Sports, Comenius University in Bratislava, Bratislava, Slovakia.
Frontiers in physiology
|October 6, 2025
概括
体重显著影响腿筋强度的测量. 同度和偏心腿筋强度是相互依赖的,在北欧腿筋练习期间的偏心强度更多地取决于45°膝盖曲关键点的最大强度.
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:
- 同度 (ISO) 和偏心 (ECC) 腿筋测试对于评估不同膝盖角度的峰值力至关重要.
- 体重对膝盖最大曲器力生产的临界点的影响仍然不清楚.
研究的目的:
- 为了在不同的体重条件下 (无重量,体重,增加重量) 比较峰值等比膝盖屈曲力.
- 为了评估北欧腿筋运动 (NHE) 时的异常膝盖曲器强度,使用不同的负载和膝盖曲角度.
- 为了研究同位数和偏心腿筋强度测量之间的关系.
主要方法:
- 22名男性运动员在60度膝盖屈曲 (ISO60) 时进行了最大自愿的同位数收缩,无论是否加重.
- 参与者完成了北欧腿筋运动 (NHE) 从90°到60°的体重和增加的体重,和高达20°的体重.
- 记录了峰值力,并分析了对比度和偏心强度测量之间的相关性.
主要成果:
- 增加的重量显著增加了峰值同位力 (ISO60-BW + AW与ISO60-BW和ISO60).
- 增加的重量也增加了NHE期间的离心力 (ECC60-BW + AW与ECC60-BW).
- 峰值同位力与45°和20°膝盖曲的NHE峰值力有很强的相关性,解释了相当大的差异 (分别为62-81%和49-58%).
结论:
- 同度和偏心腿筋强度的测量是相互依赖的.
- 在NHE期间,奇特的腿筋强度在45°膝盖曲的临界点执行时,与20°相比,受到最大同度强度的更多影响.
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