对异常骑自行车和下坡步行的急性适应:生理和神经肌肉反应
Rayane Roty1, Romuald Lepers2, Adrien Mater2
1Faculty of Sport Sciences, Laboratoire Inserm UMR1093-CAPS, UFR STAPS, Université Bourgogne Europe, Campus Universitaire, 21000, Dijon Cedex, France. Rayane.Roty@ube.fr.
European journal of applied physiology
|August 13, 2025
概括
异常骑自行车 (ECC) 引起的肌肉疲劳比下坡行走 (DW) 更多,影响肌肉收缩. 下坡步行更好地忍受,可能是运动康复的良好起点.
科学领域:
- 运动生理学 运动生理学
- 神经肌肉功能 神经肌肉功能
- 运动科学 运动科学 运动科学
背景情况:
- 奇特的运动,以肌肉在紧张状态下延长为特征,对于肌肉适应至关重要.
- 了解各种古怪运动模式的差异性影响对于优化训练和康复很重要.
研究的目的:
- 为了比较神经肌肉和心脏呼吸系统对异常骑自行车 (ECC) 和下坡行走 (DW) 的反应.
主要方法:
- 22名健康的男性接受了30分钟的ECC和DW课程,其心率为最大心率的55%.
- 测量了心肺呼吸反应 (氧气消耗) 和感知到的劳动力.
- 神经肌肉功能通过最大自愿收缩 (MVC),引起扭矩 (Dt100,Dt10) 和自愿激活 (VAL) 来评估.
主要成果:
- 下坡行走 (DW) 引起的氧气消耗高于异常骑自行车 (ECC).
- ECC导致MVC扭矩显著下降 (20%),并影响了激发-收缩合 (较低的Dt10/Dt100比率),表明神经肌肉疲劳更大.
- 维生素DW保留了收缩功能,MVC或Dt10/Dt100比率没有显著变化.
结论:
- 奇特的骑自行车会引起更大的神经肌肉疲劳,与以同样的绝对心率下坡行走相比.
- 下坡步行更好地忍受,可能是康复计划中合适的初始运动方式.
- 一个渐进的方法,从DW开始,然后是ECC,需要在临床人群中进一步调查.
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