The Correlation of Thermoregulatory Reactions in Young Men Exposed to Cold Air with Their Physical Fitness.
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概要
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The correlation between the physical fitness level expressed as body weight maximal oxygen consumption (VO<SUB>2</SUB>maxlkg b. wt.) and the autonomic thermoregulatory reactions was examined in Japanese young men acutely exposed to 7°C for 60 min. For all subjects, there was a direct positive correlation between VO<SUB>2</SUB>maxlkg b. wt. and 1) level of mean skin temperature (Tsk), 2) level of Tsk at the onset of shivering, 3) magnitude of shivering, 4) metabolic heat production evaluated from the final 5 min of cold exposure, 5) level of skin conductance. While VO<SUB>2</SUB>maxlkg b. wt. has a significant negative correlation to level of mean finger temperature (Tfinger) from 11 to 30 min of 6°C exposure. Percent body fat (%BF), in the opposite ways to VO<SUB>2</SUB>max/kg b. wt., have significant correlation with the physiological parameters of thermoregulatory reactions except metabolic heat production. From these results, Japanese fit young men inferred to have a higher sensitivity of the thermoregulatory system against cold.
- 日本生気象学会の論文
日本生気象学会 | 論文
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