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Journal of Exercise Nutrition & Biochemistry 2001;5(1):101-114.
Original Article : Effects of Anaerobic Threshold Training on Local and Mean Skin Temperature
Abstract
This study is aimed at investigating the change in local and mean skin temperature of human body affected by anaerobic threshold training. Subjects were 20 male university students to trace the change in skin temperature when they undergo exercises 20 minutes a day, five days a week for 12 weeks at anaerobic threshold. In order to process the collected data, the mean and standard deviation values were calculated from the results of each item measured for two groups. One way repeated measure ANOVA was applied to find out the change with the lapse of time, while Student`s t-test was used to ascertain the average difference between the two groups and Newman-Keuls test as the post-hoc. The significance level was set at 5%. The followings are the conclusion of the study conducted to examine the effects of long-term anaerobic threshold training on local skin and mean skin temperatures; First, the local skin temperature decreases generally on all body parts except on feet in the non-exercising group, whereas, it maintains the usual state on all except on hands, thighs and feet in the anaerobic threshold training group. Second, the non-exercising group shows decrease in skin temperature lower than average of normal state during the time from the start of excercise to recovery, while the mean skin temperature of anaerobic threshold training group increases generally compared to normal state. Summed up, the long-term anaerobic threshold training is believed to activate the sweat-secreting mechanism of human body and to induce to push up the skin temperature by means of rising heart rate thanks to the improved blood circulatory function, local blood flow gain and improved thermo-regulatory vascular expansion function. It comes, therefore, true that the anaerobic threshold training might affect the local and mean skin temperatures and that the anaerobic threshold training is directly connected with the thermo-regulatory function of our body.


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