子冷却在运动期间在热中适应热量后提供人体营养效益
Guangxia Zhang1,2, Guangjie Xin1, Haicheng Li1
1College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, China.
Frontiers in physiology
|November 3, 2025
概括
子冷却可以提高运动表现和热适应后的热舒适度. 应用子冷却后的热度适应显著改善了与预适应或没有冷却相比,耗尽的时间.
科学领域:
- 运动生理学 运动生理学
- 环境生理学环境生理学
- 运动科学 运动科学 运动科学
背景情况:
- 热应激会对运动表现和生理反应产生负面影响.
- 子冷却和热适应单独缓解热应激.
- 热适应和部冷却对热感知和运动表现的综合影响仍未得到充分研究.
研究的目的:
- 调查热度适应和部冷却对生理反应,热感知和在高温中运动表现的综合影响.
- 为了确定子冷却在热适应之前或之后是否更有效.
主要方法:
- 14名非热度适应的男性接受了10天的热度适应练习 (HAE).
- 参与者在HAE之前和之后完成了与和没有部冷却 (NC) 的时间到耗尽 (TTE) 测试.
- 在TTE期间收集了生理 (温度,心率) 和感知 (RPE,TC,TA,TS) 数据.
主要成果:
- 热度适应改善了局部出汗率,并降低了汗水度和心率.
- 时间到耗尽性能在冷却和HAE时显著改善.
- 热度适应后部冷却 (Post-NC) 与其他条件相比,产生了明显更大的TTE改善.
- 后NC还导致显著改善的热舒适度和减少的热感觉.
结论:
- 子冷却对热感知和运动表现有 ergogenic 益处,特别是在热适应后应用时.
- 通过将热适应与随后的部冷却相结合,可以实现最佳效益.
- 寻求在热中提高性能的人士在实施部冷却策略之前应该优先考虑热适应.
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