预冷对耐力运动在炎热状态下的表现的影响:随机对照试验的系统审查和元分析
Laikang Yu1,2, Zhizhou Chen2, Weiliang Wu2
1Beijing Key Laboratory of Sports Performance and Skill Assessment, Beijing Sport University, Beijing 100084, China.
Nutrients
|December 17, 2024
概括
预冷显著提高了在炎热条件下耐力运动的性能. 外部预冷方法,特别是用于跑步,在计时试验和耗尽时间方面显示出最大的好处.
科学领域:
- 运动生理学 运动生理学
- 环境生理学环境生理学
背景情况:
- 关于预冷对耐热能力的影响存在不一致的发现.
- 需要有效的策略来缓解运动期间的热应激.
研究的目的:
- 系统地评估不同预冷策略对耐力运动在炎热环境中的效果的影响.
- 通过元分析量化预冷的有效性.
主要方法:
- 在主要的科学数据库中进行了全面的文献搜索.
- 对15项研究的元分析使用标准化平均差异 (SMD) 进行.
- 科克兰风险评估工具评估了研究质量.
主要成果:
- 预冷显著改善了计时试验 (SMD, -0.37) 和耗尽时间 (SMD, 0.73) 的性能.
- 外部预冷显示在时间试验 (SMD, -0.43) 和耗尽时间 (SMD, 1.01) 两方面都取得了卓越的改善.
- 基于运行的性能显示,外部预冷有明显的好处.
结论:
- 预冷是一个有效的 ergogenic 帮助提高耐力性能在炎热的环境.
- 外部预冷的策略提供了显著的优势,特别是在运行事件.
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