使用便携式红外桑拿协议在健康的年轻成年人中实现目标脱水水平的可靠性
Modesto A Lebron1, David H Fukuda1, Jack T Cregan1
1School of Kinesiology and Rehabilitation Sciences, University of Central Florida, Orlando, FL, USA.
Journal of the International Society of Sports Nutrition
|December 1, 2025
概括
便携式红外桑拿为运动员提供了一种可靠的方法,以实现运动营养的显著体重减轻. 这种可访问的环境室替代方案证明了对脱水的高测试-重新测试可靠性.
科学领域:
- 运动科学 运动科学 运动科学
- 人体生理学 人体生理学
- 环境医学 环境医学
背景情况:
- 在体育营养中研究脱水和恢复的传统方法通常依赖于环境室.
- 便携式红外桑拿为此类研究提供了更容易获得和更具成本效益的替代方案.
- 这项研究调查了使用便携式红外桑拿以诱导体重减轻的有效性和一致性.
研究的目的:
- 为了评估便携式红外桑拿在实现目标体重 (BM) 损失方面的有效性.
- 评估使用便携式红外桑拿用于脱水协议的测试复试可靠性.
- 将结果与传统的环境室方法进行比较.
主要方法:
- 15名健康成年人 (11名男性,4名女性) 接受了两次相同的脱水试验,分隔至少72小时.
- 参与者使用一个便携式红外桑拿 (~66°C),并交替休息 (~23°C),直到达到特定的BM损失目标 (2.8%的男性,2.4%的女性).
- 测量的关键变量包括总桑拿时间,最大核心温度,BM损失 (绝对和相对) 和可靠性指标 (类内相关系数 - ICC,变量系数 - CVs).
主要成果:
- 该研究表明,便携式红外桑拿协议的高测试复试可靠性,ICCs在0.710至0.969之间,CVs低于5%.
- 参与者在180分钟内实现了超过2%的目标BM损失.
- 虽然最大核心温度在试验之间显示出显著的差异,但其他测量变量在试验之间没有显著的差异.
结论:
- 便携式红外桑拿提供了一种可靠和有效的方法来诱导脱水,并实现运动员显著的体重减轻.
- 该协议显示出卓越的可靠性 (CV < 5%,ICC > 0.75),使其成为环境室的可行替代品.
- 这种方法支持体育营养策略,当传统室无法使用时,需要控制脱水.
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