身体活动和热应激塑造了孕妇耐力运动员的水需求
Srishti Sadhir1, Amanda McGrosky1,2, Zane S Swanson3
1Department of Evolutionary Anthropology, Duke University, Durham, NC, USA.
Evolution, medicine, and public health
|March 5, 2025
概括
孕妇运动员需要更高的水循环 (WT) 与增加的体力活动 (PA),特别是在炎热的天气. 这种关系在第三季度发生变化,凸显了对弱势群体的水化政策的需要.
科学领域:
- 生理学 生理学 生理学
- 环境健康 环境健康
- 运动科学 运动科学 运动科学
背景情况:
- 怀孕,热应激和体力活动独立地增加了水需求.
- 了解气候和行为之间的相互作用对于活跃怀孕中的水分供应至关重要.
研究的目的:
- 为了研究孕妇耐力运动员的水循环 (WT).
- 检查身体活动 (PA) 和热量指数 (HI) 对WT的影响.
- 为了比较运动员和非运动员在怀孕期间的水分状态.
主要方法:
- 20名女性耐力跑者 (怀孕或计划怀孕) 的观察性前性队列研究.
- 使用乳稀释测量WT,通过加速度计测量PA,使用怀孕前,早期和晚期怀孕的历史数据测量HI.
- 结果与非运动员队列进行了比较.
主要成果:
- 运动员在整个怀孕期间保持高WT.
- 在怀孕前期和早期怀孕中,PA与WT正相关,但在第三季度并非如此.
- 更高的HI弱度调节了PA-WT关系;运动员比非运动员有更高的WT,这一差异在怀孕后期减少.
结论:
- 运动员较高的WT与PA有关,在更热的条件下更强烈的关联.
- 气候变化和极端高温需要为弱势群体制定基于证据的水化政策.
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