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首页> 外文期刊>Journal of strength and conditioning research >ULTRAENDURANCE CYCLING IN A HOT ENVIRONMENT: THIRST, FLUID CONSUMPTION, AND WATER BALANCE
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ULTRAENDURANCE CYCLING IN A HOT ENVIRONMENT: THIRST, FLUID CONSUMPTION, AND WATER BALANCE

机译：高温环境下的超耐力循环：干渴，耗油量和水平衡

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Armstrong, LE, Johnson, EC, McKenzie, AL, Ellis, LA, and Williamson, KH. Ultraendurance cycling in a hot environment: thirst, fluid consumption, and water balance. J Strength Cond Res 29(4): 869-876, 2015-The purpose of this field investigation was to identify and clarify factors that may be used by strength and conditioning professionals to help athletes drink adequately but not excessively during endurance exercise. A universal method to accomplish this goal does not exist because the components of water balance (i.e., sweat rate, fluid consumed) are different for each athlete and endurance events differ greatly. Twenty-six male cyclists (mean +/- 6 SD; age, 41 +/- 8 years; height, 177 +/- 7 cm; body mass, 81.85 +/- 8.95 kg) completed a summer 164-km road cycling event in 7.0 +/- 2.1 hours (range, 4.5-10.4 hours). Thirst ratings, fluid consumed, indices of hydration status, and body water balance (ingested fluid volume 2 [urine excreted + sweat loss]) were the primary outcome variables. Measurements were taken before the event, at designated aid stations on the course (52, 97, and 136 km), and at the finish line. Body water balance during exercise was not significantly correlated with exercise time on the course, height, body mass, or body mass index. Thirst ratings were not significantly correlated with any variable. We also observed a wide range of total sweat losses (4.9-12.7 L) and total fluid intakes (2.1-10.5 L) during this ultraendurance event. Therefore, we recommend that strength and conditioning professionals develop an individualized drinking plan for each athlete, by calculating sweat rate (milliliter per hour) on the basis of body mass change (in kilograms), during field simulations of competition.
机译：阿姆斯特朗（LE），约翰逊（EC），约翰逊（EC），麦肯齐（AL），路易斯安那州埃利斯（Ellis）和威廉姆森（KH）。超高温环境中的超耐力循环：口渴，液体消耗和水平衡。 J Strength Cond Res 29（4）：869-876，2015年-此野外调查的目的是确定和阐明力量和体能训练专业人士可以用来帮助运动员在耐力运动中适当但不过度饮酒的因素。由于每个运动员的水平衡成分（即出汗率，消耗的液体）各不相同，并且耐力项目也有很大差异，因此不存在实现此目标的通用方法。 26名男性自行车手（平均+/- 6 SD;年龄41 +/- 8岁;身高177 +/- 7 cm;体重81.85 +/- 8.95 kg）完成了夏季164公里的公路自行车比赛在7.0 +/- 2.1小时（范围4.5-10.4小时）内。主要的结果变量是口渴等级，消耗的水分，水合状态指数和体内水分平衡（摄取的水分2 [尿液排出+汗水流失]）。在赛前，路线的指定援助站（52、97和136 km）以及终点线进行了测量。运动期间的身体水分平衡与运动时间，身高，体重或体重指数没有显着相关。口渴评分与任何变量均无显着相关。在此超耐力事件中，我们还观察到了广泛的总汗流失（4.9-12.7 L）和总液体摄入量（2.1-10.5 L）。因此，我们建议力量和体能训练专业人士在田间模拟比赛中，根据身体质量变化（以千克为单位），通过计算出汗率（每小时毫升），为每位运动员制定个性化的饮酒计划。

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