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Physiological Responses and Subjective Sensations by Age through Seasonal Condition  

Lee, Jung-Sug (Kyungpook National University the Department of Clothing & Textile, Center for Beautiful Aging, Kyungpook National University)
Song, Min-Kyu (Korea Textile Development Institute)
Kim, Hee-Eun (Kyungpook National University the Department of Clothing & Textile, Center for Beautiful Aging, Kyungpook National University)
Publication Information
Fashion & Textile Research Journal / v.11, no.5, 2009 , pp. 833-839 More about this Journal
Abstract
This study was to investigate the human's physiological responses and subjective sensations with wear trial through seasonal condition by age. Climate chamber was set $5^{\circ}C$, RH 45% for winter and $30^{\circ}C$, RH 65% for summer condition. Thirty male subjects were volunteered consisted of 10 people in their 20s, 40s, and 60s. In this study physiological responses such as rectal temperature, skin temperature, clothing microclimate, heart rate and blood pressure were measured. As for age, 60s was the highest in rectal temperature regardless of seasonal condition. In skin temperature, 40s was the highest in winter and 20s was the highest in summer. In clothing microclimate temperature and heart rate, 20s was the highest regardless of seasonal condition. And blood pressure was appeared the highest in 20s regardless of seasonal condition. Subjective sensations such as temperature sensation, wetness sensation and thermal comfort were measured. The subjects revealed that temperature sensation was higher 20s than 60s. Compare of other age group, 60s felt colder in the same environment and clothing. It suggested that temperature susceptibility in 60s became weakened showing no change sensation during the cold exposure. Wetness sensation was higher 20s than 60s. Thermal comfort of 60s was felt more discomfortable than any other age group. This means require the supplement of a suitable clothing in order to adjust to change of environmental conditions.
Keywords
wear trial; physiological responses; subjective sensations; seasonal condition; age;
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