건축도시공간연구소

Architecture & Urban Research Institute

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한국생활환경학회|한국생활환경학회지 2010년 12월

기사명 카페인 섭취가 신체 활동 중 국부 발한 개시시점과 평균 활동한선밀도에 미치는 영향 / The Effect of Caffeine Ingestion on Onset Time of Local Sweating and Mean Activated Sweat Gland Density During Physical Activity
저자명 김태욱 ; 이정범
발행사 한국생활환경학회
수록사항 한국생활환경학회지 , v.17 n.6(2010-12)
페이지 시작페이지(675) 총페이지(8)
ISSN 1226-1289
주제분류 환경및설비
주제어 ; Caffeine ; Onset time of sweating ; Activated sweat gland density ; Sweat sensitivity ; Sympathetic nervous system
요약2 Remaining unclear is the contribution of caffeine ingestion in sweating sensitivity. This study investigated the effects of caffeine ingestion on onset time of local sweating (OTLS) and mean activated sweat gland density (MASGD). Ten trained male subjects (age, 21.0 ± 2.5 years; height, 173.0 ± 3.2 cm; weight, 72.5 ± 4.3 kg and VO2max, 54.3 ± 3.5 ml/kg/min) exercised on a treadmill at an intensity of 60% of maximal oxygen consumption. Subjects exercised once after 3 mg/kg caffeine ingestion and once after no caffeine, given in a random and crossover design. Following caffeine ingestion significant shorter OTLS than no caffeine on chest (P < 0.01), abdomen (P < 0.001), back (P < 0.01), thigh (P < 0.01). And M-ASGD more higher following caffeine ingestion than no caffeine at 10 min (P < 0.001) and 15 min (p < 0.001). Thus, under the conditions of this study, the sweating sensitivity (shorter OTLS and higher M-ASGD) increased by stimulating sympathetic nervous system and the sweat glands increased their cholinergic sensitivity following caffeine ingestion. However, the effect of caffeine on sweating sensitivity was not continuously for long time during physical activity and may expected within the early 15 minutes of physical activity.
소장처 한국생활환경학회
언어 한국어