Comparison of regional patch collection vs. whole body washdown for measuring sweat sodium and potassium loss during exercise
作者： Lindsay B. Baker , John R. Stofan , Adam A. Hamilton , Craig A. Horswill
DOI: 10.1152/JAPPLPHYSIOL.00197.2009
关键词: Endocrinology 、 Sweat patch 、 Sweat sodium 、 SWEAT 、 Exercise physiology 、 Whole body 、 Potassium 、 Chemistry 、 Sodium 、 Skin surface 、 Internal medicine
摘要: This study compared simultaneous whole body washdown (WBW) and regional skin surface (REG) sweat collections to generate regression equations predict WBW Na+ concentration ([Na+]) K+ ([K+]) from single- five-site REG patch collections. Athletes (10 men, 10 women) cycled in a plastic chamber for 90 min the heat. Before exercise, subject bike were washed with deionized water. After onset of sweating, sterile patches attached forearm, back, chest, forehead, thigh removed on saturation. ammonium sulfate solution collect all electrolyte loss determine volume unevaporated sweat. All individual sites (weighted local rate area) significantly (P = 0.000) correlated [Na+]. The equation predicting [Na+] was y 0.68x + 0.44 [r 0.97, intraclass correlation coefficient (...
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