被动大腿加热改善了异动力学但不是同性肌肉功能
Desmond Denny1, Daniel C Low2, Oliver R Gibson2
1Department of Sport, Health and Exercise Sciences, College of Health, Medicine and Life Sciences, Brunel University of London, Uxbridge, UK.
Journal of thermal biology
|June 8, 2025
概括
被动大腿加热在中度和快速收缩期间显著增强肌肉扭矩的产生,并改善缓慢收缩的早期力量. 这种可靠的干预有效地提高了肌肉温度,提高了性能.
科学领域:
- 运动生理学 运动生理学
- 肌肉生理学 肌肉生理学
- 治疗干预 治疗干预
背景情况:
- 最佳的骨肌功能取决于温度,高于休息水平的组织温度提高了性能.
- 了解被动加热干预措施的有效性和可靠性对于优化肌肉功能至关重要.
研究的目的:
- 为了检查被动大腿加热对肌肉扭矩产生和最大速度的影响.
- 确定使用被动加热作为改善肌肉功能的干预措施的可靠性.
主要方法:
- 20名活跃的年轻人 (10名女性) 进行了两次相同的实验.
- 一个大腿被加热使用一个穿透水的衣服循环50°C的水90分钟.
- 肌肉功能 (异性和异性) 被评估在不同的速度每30分钟一次,与巨大的横向肌肉温度测量一起.
主要成果:
- 被动加热显著增加了肌肉温度从基线 (32.2°C到36.8°C在30分钟).
- 在加热的肢体中,从30分钟开始,在中度和快速的异动力学收缩 (p < .05) 期间,峰值扭矩增加.
- 在加热腿部,缓慢收缩期间的力量和早期力量产生率分别增加了14%和15%,在肌肉功能方面观察到的可靠性很好 (ICC>0.9).
结论:
- 被动加热是一种有效的干预措施,用于改善骨肌肉在中度和快速收缩期间的峰值扭矩.
- 这种干预可靠地增强了慢速收缩中的早期力量产生.
- 通过被动加热提高肌肉温度可以优化肌肉功能以提高性能.
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