在跑步者中,背脊和逆侧最大骨之间的肌肌体力传递:一个横截面研究
Paola Figueiredo Caldeira1, Renan Alves Resende1, Bárbara Junqueira Murta1
1School of Physical Education, Physical Therapy and Occupational Therapy, Department of Physical Therapy, Graduate Program in Rehabilitation Sciences, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil.
Journal of biomechanics
|November 18, 2024
概括
经常跑步可能会增加腰部硬性,原因是腰部 (LD) 收缩,但不会改变跑步者和久坐不动的人之间的肩膀到部肌肌肌力传递 (MFT).
科学领域:
- 生物力学 生物力学
- 人类运动科学科学 人类运动科学
- 运动医学 运动医学
背景情况:
- 斜背部 (LD),胸脊带 (thoracolumbar fascia) 和大关节 (gluteus maximus) (GM) 形成一个相互连接的肌肉带通道,用于从肩部到部的力传递 (MFT).
- 定期的体力活动,比如跑步,可能会改变影响MFT的组织特性.
研究的目的:
- 调查定期运行实践是否影响LD和对方GM之间的MFT.
- 为了确定与久坐的人相比,跑步者在腰部收缩期间是否表现出改变的腰部硬度和部被动性质.
主要方法:
- 五十四名参与者 (跑步者和久坐者) 通过使用缩计和异动力学动力计来评估腰部硬和部被动性 (休息位置,扭矩,硬).
- 在两个条件下进行测量:LD放松和LD收缩.
- 使用双向ANOVA分析主要和相互作用效应.
主要成果:
- 在两组中,LD收缩显著增加了腰部硬度,外部旋转了部休息位置,增加了被动部扭矩和硬度.
- 跑步者表现出明显更高的腰部硬度比久坐的人,当LD被合同.
- 尽管腰部硬度有差异,但从肩膀到部的MFT通路在两组中都有相似的功能.
结论:
- 虽然跑步在腰部收缩期间增强了腰部硬,但它并没有从根本上改变肩部到部肌筋关体力传递路径.
- 这项研究强调了跑步对脊柱和部生物力学与LB激活相关的影响.
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