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Improved sweat gland function during active heating in tennis athletes
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作者 Jeong-Beom Lee Soon-Bok Na Tae-Wook Kim 《Journal of Sport and Health Science》 SCIE 2016年第4期443-447,共5页
Background:Relatively few studies on the peripheral sweating mechanisms of trained tennis athletes have been conducted.The purpose of this study was to compare the sweating capacities of tennis athletes against untra... Background:Relatively few studies on the peripheral sweating mechanisms of trained tennis athletes have been conducted.The purpose of this study was to compare the sweating capacities of tennis athletes against untrained subjects(controls).Methods:Thirty-fi e healthy male volunteers participated including 15 untrained subjects and 20 trained tennis athletes(nationally ranked).Active heat generation was performed for 30 min(running at 60%VO2max) in a climate chamber(temperature,25.0°C ± 0.5°C;relative humidity,60% ± 3%,termed active heating).Sweating data(local sweat onset time,local sweat volume,activated sweat glands,sweat output per gland,whole body sweat loss volume) were measured by the capacitance hygrometer-ventilated capsule method and starch-iodide paper.Mean body temperature was calculated from tympanic and skin temperatures.Results:Local sweat onset time was shorter for tennis athletes(p〈0.001).Local sweat volume,activated sweat glands of the torso and limbs,sweat output per gland,and whole body sweat loss volume were significant y higher for tennis athletes than control subjects after active heating(p〈0.001).Tympanic and mean body temperatures were lower among tennis athletes than controls(p〈0.05).Conclusion:These results indicate that tennis athletes had increased regulatory capacity of their sweat gland function. 展开更多
关键词 Activated sweat glands Active heating Sweat onset time Sweat output Sweating function tennis athletes
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