Body Temperature Changes of Resting Men during Heat Exposure

概要

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Nine healthy male students were exposed to heat for 61 minutes in summer. The therrnal conditions in a climatic chamber were 28°C, 36°C, 45°C and 50°C DB with 50%RH. Rectal temperature and mean skin temperature were measured on resting subjects during heat exposure. During exposure rectal temperatures decreased at 28°C, and increased at 45°C and 50°C. Rectal temperature at 36°C showed no definite tendency. Mean skin temperature increased at 36°C and 50°C. Close correlation was found between rates of increase in rectal temperature at 36°C and those at 45°C. Rates of increase in rectal temperature at 50°C correlated with those at 361C and those at 45°C . Rates of increase in rectal temperature at 36°C, 45°C and 50°C had negative correlations with weight, body surface area, lean body mass, % body fat and mean skinfold thickness, and had a positive correlation with body suface area / weight.
日本生理人類学会の論文