在温和或炎热的环境下运行40分钟不会影响操作带的长度
Adèle Mornas, Franck Brocherie1, Enzo Hollville1
1French Institute of Sport (INSEP), Laboratory Sport, Expertise and Performance (EA 7370), Paris, FRANCE.
Medicine and science in sports and exercise
|January 18, 2024
概括
在高温下跑步不会影响肌单元的特性或带动力学. 长时间的炼时间和更高的环境温度并没有改变胃中带的操作长度或结缔组织的硬度.
科学领域:
- 运动生理学 运动生理学
- 生物力学 生物力学
- 肌肉生理学 肌肉生理学
背景情况:
- 肌肉力学对于理解运动表现至关重要.
- 关于运动持续时间和环境温度如何影响运行过程中肌肉束动力学和结缔组织硬性的知识有限.
研究的目的:
- 在运行过程中实体检查胃内中间体 (GM) 囊动力学.
- 在温和和热的条件下评估肌单元的反应.
- 为了确定运动时间和环境温度对肌肉特性的影响.
主要方法:
- 利用超快的超声波来分析15名参与者在40分钟的运行过程中的GM囊动力学.
- 在温和 (~23°C) 和热 (~38°C) 条件下测试参与者.
- 在运行任务之前,运行过程中 (2分钟和40分钟) 和运行任务后进行测量.
主要成果:
- 尽管核心/皮肤温度和心率增加,但运行时间参数和GM片的运行长度在时间和条件上保持不变.
- 最大自愿力产生和结合组织度 (被动肌肉,系列弹性元素) 在运动后没有显著变化.
- 没有观察到有意义的时间,条件或相互作用效应,用于带行为或结缔组织特性.
结论:
- 长时间的跑步运动不会改变肌单元的特性,包括带动力学和结缔组织度.
- 在跑步过程中,环境温度似乎没有显著影响这些肌肉特性.
- 研究结果表明,在中等强度跑步时,热量可能不会对肌肉特性产生不利影响,因此需要对更强烈的运动方案进行进一步研究.
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