通过多频率生物电阻抗分析确定,等体积水或蛋白质的急性消耗会影响身体成分

Lia M. Jiannine, C. Evans, J. Antonio
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引用次数: 0

摘要

本研究的目的是研究饮用591.5 mL水或591.5 mL等体积蛋白质奶昔(160千卡,3克脂肪,4克碳水化合物,30克蛋白质)对身体组成指标的影响。方法:在一项随机交叉研究中,42名有娱乐活动的男性(n=13)和女性(n=29)(平均±SD -身高168±10 cm,年龄22±5岁,体重69.8±11.2 kg)饮用591.5 mL水或蛋白质奶昔。在基线、食用后立即(0分钟)、食用后30分钟和食用后60分钟,通过多频生物电阻抗(InBody 270)评估体成分。结果:在治疗期间,水组和蛋白质组之间的体重、瘦体重和脂肪质量没有显著变化。在水组和蛋白质组中,与基线相比,在时间点0,30和60分钟时体脂百分比显著增加(p<0.0001)。结论:急性饮用水或等体积蛋白质奶昔会导致体脂百分比在饮用后立即以及30和60分钟后显著增加。
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The Acute Consumption of an Isovolumic Water or Protein Shake Affects Body Composition as Determined via a Multi-Frequency Bioelectrical Impedance Analysis
Introduction: The purpose of this study was to examine the effects of consuming either591.5 mL of water or 591.5 mL of isovolumic protein shake (160 kcal, 3 g fat, 4 g carbohydrate, 30 g protein) on indices of body composition. Methods: Forty-two recreationally active men (n=13) and women (n=29) (mean±SD – height 168±10 cm, age 22±5 yr, body mass 69.8±11.2 kg) consumed 591.5 mL of water or a protein shake in a randomized, crossover study. Body composition was assessed via multi-frequency bioelectrical impedance (InBody 270) at baseline, immediately post-consumption (0 minutes), 30 minutes post-consumption, and 60 minutes post-consumption. Results: There were no significant changes in body mass, lean body mass, and fat mass between the water and protein groups over the treatment period. In both water and protein groups, percent body fat was significantly greater (p<0.0001) at time points 0, 30, and 60 minutes compared to baseline. Conclusions: The acute consumption of either water or an isovolumic protein shake resulted in a measurable increase in percent body fat immediately post-consumption as well as 30 and 60 minutes thereafter.
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