基于双标记水方法的男性大学短跑运动员水循环估计方程的评估
Yuki Shimamura1, Yuki Ahagon1, Mariko Ikai1
1Graduate School of Comprehensive Human Sciences, University of Tsukuba, Ibaraki, Japan.
European journal of clinical nutrition
|November 26, 2025
概括
一个水分估计方程高估了短跑者的水循环 (WT) 大约500毫升/天. 这凸显了需要仔细考虑田径运动员的水分管理策略的需要.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 人类水分化 人类水分化
背景情况:
- 理想的水分是对田径短跑运动员表现至关重要的.
- 一个新的方程使用各种因素估计了水循环 (WT).
- 方程的假设可能不适用于高强度训练的短跑者.
研究的目的:
- 为了验证最近专门为短跑者开发的WT估计方程.
- 评估大学男子短跑运动员中WT估计方程的准确性.
主要方法:
- 24名男大学短跑运动员参加了比赛.
- 使用方程 (WT估计) 估计了水的流量,并通过双重标记水 (DLW) 方法 (WT测量) 测量.
- 还分析了训练时间和预制水量.
主要成果:
- 估计方程显著高估了WT (WT估计:4.95 L/day与WT测量:4.42 L/day).
- 总训练时间与预制水量相关.
- 预制水量与估计和测量WT之间的差异相关联.
结论:
- 估计方程式在男性大学短跑运动员中高估了WT大约500毫升/天.
- 短跑运动员在使用水分管理方程时应该意识到这种差异.
- 精确的水分评估对于优化运动表现至关重要.
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