在运动员和军人中量化运动热适应:系统性审查和元分析
Harry A Brown1, Thomas H Topham1, Brad Clark1
1Research Institute for Sport and Exercise (UCRISE), University of Canberra, Bruce, ACT, Australia.
Sports medicine (Auckland, N.Z.)
|December 5, 2023
概括
转移到一个更热的气候有效地帮助运动员和军事人员适应热量. 这一策略降低了静止的核心温度和心率,并减轻了暴露在热中的生理应变.
科学领域:
- 环境生理学环境生理学
- 运动科学 运动科学 运动科学
- 军事医学 军事医学
背景情况:
- 运动员和军事人员在炎热/潮湿的条件下面临性能下降和热病风险.
- 热适应是减轻不良热应激影响的关键生理策略.
研究的目的:
- 系统地审查和量化迁移到更热的气候对热度适应的影响.
- 评估运动员和军事人员经历热暴露的适应性.
主要方法:
- 系统审查和贝叶斯的多层次元分析研究发表到2022年6月.
- 包括的研究涉及非适应性个体迁移到热气候地区,持续时间少于6周.
- 分析结果:静止核心温度,心率,热反应测试变化和出汗率,考虑到WBGT,训练持续时间和协议长度.
主要成果:
- 观察到静止核心温度 (-0.19°C) 和心率 (-6bpm) 的显著降低.
- 在热反应测试期间,核心温度 (-0.24°C) 和心率 (-7bpm) 的减弱增加.
- 汗流率变化的结果相互矛盾,表明适应的变化.
结论:
- 迁移到更热的气候有效地诱导运动员和军事人员的热度适应.
- 适应性包括减少休息时的生理应变,以及在高温运动期间提高耐受性.
- 适应程度受到环境因素 (WBGT) 和培训参数的影响.
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