서열환경에서 근적외선 조사의복 착용시의 온열생리반응
The Study of Thermo-physiological Responses with Near Infrared Lighted Garment at a Hot Environment
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Abstract
The purpose of this study was to assess the feasibility and the effects of near infrared lighted garments onthermo-physiological responses in human body. Seven healthy adult men were recruited for this study. All subjects wereinformed the contents and purpose of this study. The experiment was carried out in a climate chamber of 32oC, 60%RHwith ‘Rest’, ‘Exercise’ and ‘Recovery’ period. The experimental garments consisted of briefs, undershirts(sleeveless),nightclothes, T-shirts, knee-trousers and socks. Subjects participated in two experiments, one was wearing near infraredlighted garments(NIR-O), the other was wearing regular garments(NIR-X). The order of experiment was randomized, andsubjects wore experimental garments before 24 hours in order to benefit by near infrared light. Measurement itemsincluded rectal temperature (Tresation. The results are as follows: As to the variation of rectal temperature and mean skin temperature, value of wearingNIR-X was higher than value of wearing NIR-O, indicating a significant level of diference (p<.01). Sweat rate underNIR-O and NIR-X condition were 575.35 g and 535.75 g, respectively. Heart rate value of NIR-X condition was higher thanNIR-O. Oxygen uptake measured during experiment was the higher in NIR-X condition with significant difference (p<. 001).In the subjective sensation, the value of NIR-O condition was higher than NIR-X condition without significantly difference.
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