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氨酸补充和人类耐热性:机制,证据和与热适应,冷却和水合的整合
Siavash Naddafha1, Jeffrey R Stout2, Cassandra Evans3,4
1School of Medical & Health Sciences, Edith Cowan University, Joondalup, WA 6027, Australia.
氨酸补充剂可以通过增强汗水反应和降低核心体温来改善炎热运动. 然而,充足的水分和摄入量至关重要,需要更多的研究来确认益处.
科学领域:
- 运动生理学 运动生理学
- 热调节 热调节 热调节
- 营养补充 营养补充
背景情况:
- 在炎热的天气中进行强度运动会提高核心温度和心血管应变,增加炎热疾病的风险.
- 标准的减热策略包括适应,冷却和补水.
- 氨酸补充剂氨酸显示出通过增加出汗来增强热调节的潜力.
研究的目的:
- 审查关于 taurine 在热环境中运动期间对 taurine 影响的机制和应用证据.
- 为了评估 taurine 与热度适应,冷却和水化策略的相互作用.
- 评估 taurine 在热应激下增强热调节和运动表现的潜力.
主要方法:
- 叙事综述综合现有的机械学和人体试验数据.
- 对 taurine 补充剂 (急性和短期) 的随机双盲交叉研究的分析.
- 评估检查氨酸对出汗,核心温度和运动能力的影响的研究.
主要成果:
- 氨酸补充剂与早起的出汗和增加的出汗量有关.
- 观察到核心温度 (~0.3-0.4 °C) 的适度降低,其中一项试验显示显著下降 (d ≈ 1.9).
- 运动能力或表现的潜在改善,虽然好处取决于背景.
结论:
- 氨酸在运动中增强热调节,主要是通过增加蒸发热量损失.
- 潜在的益处可能会通过限制出汗或优化热度适应来减少.
- 增加的出汗损失需要将牛素使用与个性化液体和替代剂配对;需要进一步的大规模试验.
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