寒冷天气军事野战训练中的水合作用评估。

Arctic medical research Pub Date : 1996-01-01
C O'Brien, B J Freund, M N Sawka, J McKay, R L Hesslink, T E Jones
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引用次数: 0

摘要

为了量化脱水的程度,并通过利用全身水分(TBW)的变化来确定脱水的预测因素,24名男性海军陆战队员在为期8天的中等寒冷天气(1-3摄氏度)的训练中进行了研究。训练包括大约12小时/天的中等强度活动。检查的变量包括身体组成、TBW和各种指示水合作用的血液和尿液参数。饮食食物和液体也有记录。身体成分变化与能量消耗高、能量摄入不足一致。尽管TBW有所下降,但根据血液和尿液参数评估,在8d期间没有发生明显的脱水,因此TBW与任何脱水临床指标之间没有关系。TBW的变化反映了瘦体重的减少。这些数据表明,在寒冷天气的野外军事演习中,尽管活动水平高,能量负平衡,但如果特别注意液体摄入,可以保持体液平衡。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Hydration assessment during cold-weather military field training exercises.

To quantify the magnitude of dehydration and to identify predictors of dehydration by utilizing changes in total body water (TBW), 24 male Marines were studied during an 8d moderately cold-weather (1-3 degrees C) training exercise. Training consisted of approximately 12 h/d of moderately intense activity. Variables examined included body composition, TBW, and various blood and urinary parameters indicative of hydration. Dietary food and fluid records were also maintained. Body composition changes were consistently with the high energy expenditure and insufficient energy intake. Despite a decrease in TBW, significant dehydration as assessed by blood and urinary parameters did not occur over the 8d period, therefore no relationships were found between TBW and any of the clinical indicators of dehydration. The change in TBW was reflective of a decrease in lean body mass. These data suggest that during cold-weather military field exercise, despite high activity levels and a negative energy balance, body fluid balance can be maintained when particular attention is paid to fluid intake.

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