青年男性能量代谢测试的一日排水量
Daily water loss in Chinese young men
郝文睿 1全海英 1李璐 1张程 2吴大蔚 2张宽1
作者信息
- 1. 首都医科大学生物医学工程学院，北京市 100069; 首都医科大学临床生物力学应用基础研究北京市重点实验室，北京市 100069
- 2. 中国航天员科研训练中心，北京市 100094
- 折叠
摘要
背景：目前没有连续而精确的测量特定活动强度下的一日排水量的研究。<br> 目的：测量分析青年男性在中等活动强度的一日排水量，为每日水需求量提供参考。<br> 方法：20名男性受试者在人体能量代谢测试舱内进行23 h中等强度活动，使用高精度人体体质量秤测算23 h排湿量和排尿量，结果换算为一日排水量来确定一日需水量。同时计算一日单位体质量排湿量、单位瘦体质量排湿量和单位体表面积排湿量。<br> 结果与结论：①青年男性一日平均排水量为(3339.7±509.9) g，排尿量为(1982.9±449.5) g，排湿量为(1356.7±215.6) g，饮水量和排水量呈正相关(r=0.616，P<0.05)。②每日单位体质量排湿量为(21.0±3.6) g/kg，每日单位瘦体质量排湿量为(25.8±3.9) g/kg，每日单位体表面积排湿量为(799.4±129.4) g/m2。③青年男性在中等活动强度下的一日排水量约为3340 g，排水量受到摄入量影响，摄入水越多排出的水也越多。
Abstract
BACKGROUND:No studies currently focus on the measurement of daily water loss under certain physical activity level continuously and precisely. <br> OBJECTIVE:To provide evidence for daily water requirement in Chinese young men based on the measurement of the daily water loss in Chinese young men under moderate physical activity. <br> METHODS:Twenty male subjects were enroled, and 23-hour whole-body sweat loss and urine output were measured using high-precision body weighting scale in whole-room indirect calorimeter. The results were converted to daily (24-hour) water requirement to determine the daily water requirement. Daily whole-body sweat loss per unit body weight, daily whole-body sweat loss per unit fat free mass and daily whole-body sweat loss per unit surface area were calculated. <br> RESULTS AND CONCLUSION:In Chinese young men, daily water loss was (3 339.7±509.9) g, daily urine output was (1 982.9±449.5) g and daily whole-body sweat loss was (1 356.7±215.6) g. There was a linear correlation between water intake and water loss (r=0.616,P < 0.05). Daily whole-body sweat loss per unit body weight was (21.0±3.6) g/kg, daily whole-body sweat loss per unit fat free mass was (25.8±3.9) g/kg and daily whole-body sweat loss per unit surface area was (799.4±129.4) g/m2. Daily water requirement of Chinese young men under moderate physical activity is approximately 3 340g, and moreover, water loss increases with the increase of water intake.
关键词
组织构建/组织工程/排水量/身体活动水平/排湿量/排尿量/能量代谢测试舱/需水量/青年男性/摄水量/国家自然科学基金Key words
Water/Motor Activity/Energy Metabolism引用本文复制引用
出版年
2016
国家科技期刊平台
NSTL
维普
万方数据