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The influence of intermitient exercise of human unilateral arm on set-point for sweating

Xu Shouzhong, Qin Yuzhi, Mo Shaozhen, Xu Min

Department of Physiology, Guangxi College of Traditional Chinese Medicine. Nanning, China

Abstract

Under the conditions of relative constant microclimate,each of 10 healthy youths
was undergone 4 groups of experiments. In experiment Ⅰ,by heating the legsfeet in 43℃ water, the recipient's oral threshold temperature for the onset of sweating on the volar surface of left forearm was measured as a reference for the setpoint of sweating onset (ToSSP). In exp. Ⅱ,the recipient's ToSSP was measured as exp. Ⅰ，but with the right arm performing intermittently an exercise of 77W, meanwhile, some recipients' galvanic skin responses of left forearm were recorded. When exp. Ⅰ or exp. Ⅱ was performed under a special condition of adding an air flow (22-25℃) of 4.5m/s to the forehead and face by a small electric fan,cxp.Ⅲ or Ⅳ was denominated respectively. To compare exp. Ⅰ with exp.Ⅱ were carried out 22 times, while comparing exp.Ⅲ with exp. Ⅳ were 24 times.

Key words: Set-point;Sweating;Unilateral arm exercise;Galvanic skin response;Skin temperature;Heart rate

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Citing This Article：

Xu Shouzhong, Qin Yuzhi, Mo Shaozhen, Xu Min. The influence of intermitient exercise of human unilateral arm on set-point for sweating. Acta Physiol Sin 1987; 39 (2): (in Chinese with English abstract).