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首页> 外文期刊>International journal of sport nutrition >Calcium losses resulting from an acute bout of moderate-intensity exercise.
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Calcium losses resulting from an acute bout of moderate-intensity exercise.

机译：中等强度运动的急性发作导致的钙流失。

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摘要

The purpose of this study was to compare daily calcium (Ca) losses in sweat (S) and urine (U) on an exercise day (E) with losses on the preceding day (i.e., a rest day) during which no exercise (NE) was performed. Ten healthy male volunteers (23.9 +/- 3.2 years) performed a single bout of moderate exercise (running at 80% HRmax) for 45 min in a warm (32 degrees C, 58% relative humidity) environment on E. When E and NE were compared, neither Ca intake (1,232 +/- 714 and 1, 148 +/- 482 mg, respectively) nor urinary Ca excretion (206 +/- 128 and 189 +/- 130 mg, respectively) were different (p >.05). Sweat Ca losses during the exercise bout averaged 45 +/- 12 mg. The results indicate that, although a small amount of Ca is lost in sweat during 45 min of moderate-intensity exercise, measured (sweat and urine losses combined) Ca losses (251 +/- 128 and 189 +/- 130 mg) were not different (p >.05) between days (E and NE, respectively). These data suggest that moderate exercise for up to 45 min in a warm, humid environment does not markedly increase Ca intake requirements.
机译：这项研究的目的是比较运动日（E）的汗水（S）和尿液（U）的每日钙（Ca）损失与不进行运动（NE）的前一天（即休息日）的损失）。十名健康的男性志愿者（23.9 +/- 3.2岁）在E上温暖（32摄氏度，相对湿度58％）的环境中进行了45分钟的单次中等运动（在HRmax下运行），持续45分钟。比较钙摄入量（分别为1,232 +/- 714和1，148 +/- 482 mg）和尿钙排泄（分别为206 +/- 128和189 +/- 130 mg）都没有不同（p>。 05）。运动回合期间汗液中Ca的平均损失为45 +/- 12 mg。结果表明，尽管在中等强度运动的45分钟内汗液中有少量钙流失，但测量的（汗液和尿液流失合计）钙流失（251 +/- 128和189 +/- 130 mg）却没有天之间的差异（分别为E和NE）（p> .05）。这些数据表明，在温暖潮湿的环境中进行长达45分钟的适度运动不会明显增加钙的摄入量。

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