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KMID : 1137820170380050232
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의공학회지
2017 Volume.38 No. 5 p.232 ~ p.236
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The Effect of Foot Cooling on Body Temperature
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Park Yu-Jin
Kim Jung-Hun
Park Ji-Eun
Kim Ji-In
Lee Jong-Min
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Abstract
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In this study, We investigated the effect of foot cooling on the reduction of body temperature after hard exercise at the high temperature of 40o C. We performed a total of 30 subjects, and the subjects performed treadmill exercise for 30 minutes. We produced the cooling device to cool the foot using Peltier module. After the end of the exercise, We performed normal recovery method and cooling recovery method(one foot, both feet) for 1 hour on the same indoor environmental conditions and confirmed the change of body temperature of subjects. The results of deep body temperature measurement showed average 38.78 ± 0.22o C to 38.54 ± 0.15o C when the normal recovery method was performed. Cooling recovery method on one foot showed average 38.69 ± 0.14o C to average 38.06 ± 0.17o C and Cooling recovery method on both feet showed average 38.69 ± 0.15o C to average 37.84 ± 0.21o C. There was a significant difference between the normal recovery method and the one foot cooling recovery method(p < .05), there was a significant difference between the normal recovery method and the both feet cooling recovery method(p < .05) and there was a significant difference between the one foot cooling recovery method and the both feet cooling recovery method(p < .05). Body temperature showed the lowest decrease rate when the normal recovery method was performed, and body temperature showed the highest decrease rate when the both feet cooling recovery method was performed. Therefore, recovery of cooling on the foot after hard exercise have decreased body temperature, delay fatigue in the body, and will be contributed to improvement of athlete performance.
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KEYWORD
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Body temperature, Foot, Peltier, Cooling System
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