Effects of three kinds of boots on thermoregulatory responses in the subjects wearing protective clothing for pesticide.
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概要
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The present experiments were carried out to make clear the effects of three different kinds of boots on thermophysiological responses and clothing microclimates inside the boots in five subjects wearing protective clothing for pesticide at an ambient temperature of 28±0.5°C and relative humidity of 50±5%. Three kinds of boots used were as follows: First one was rubber boots (A, weight 1, 440 g), the second was special boots being composed of two parts of rubber (around foot and ankle) and fabric laminated with nylon taffta, Goretex and nylon tricot (around leg) (B, weight 750 g) and the third was boots having same weight as A and same materials as B (C) . After five healthy female students wore the protective clothing ensemble, they repeated three work / rest cycles of 15 min exercise consisting of stepping up and down on footstool (height 22 cm) and 5 min rest. Rectal and skin temperatures, heart rate and local sweat rate from the forearm area were measured during the experimental periods. The amount of sweat adhered to the clothing ensemble was calculated by weight difference of the clothing before and after the experiments. Main results were summarized as follows: 1) An increase of rectal temperature was significantly lower in B than in A, while there did not exist any differences in rectal temperature between B and C. 2) Leg skin temperature inside the boots was significantly lower in B and C than in A. The present findings suggest that the boots materials are of importance in reducing physiological and psychological strain under hot environmental conditions.
- 日本生気象学会の論文
日本生気象学会 | 論文
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