고온에서 일회성 유산소 운동 시 수분 섭취 시기가 염증성 사이토카인에 미치는 영향
The Effects of Water Intake Timing of Acute Aerobic Exercise in High Temperature on Inflammatory Cytokine
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초록
본 연구의 목적은 건강한 30대 남성을 대상으로 단발성 유산소 운동을 통하여 염증반응(종양괴성인자-α, 인터루킨-6)의 변화를 규명하고자 하였다. VO2max 50% 운동 강도(300kcal 소비 시간, 트레드밀) 달리기를 실시하였으며, 세 가지 실험 처치 조건은 다음과 같다: 1) 운동처치에 수분 섭취가 없이(NWI) 실시, 2) 운동 처치 전에만 수분을 섭취(PWI), 3) 운동 처치 전과 중 수분을 섭취(PMWI). 단일 집단이 운동과 수분 섭취 처치를 3번 실시, 검사 간에는 이전 검사로 인한 심리ㆍ생리적 영향을 최소화하기 위해 검사 간 2주일의 휴식기를 두었고, 각 실험조건은 시간대를 포함, 동일하게 실시하였다. 운동기간 효과에서 유의한 차이(종양괴성인자-α: p＜.001, 인터루킨-6: p＜.001)를 보였고, 운동그룹 효과에서 유의한 차이(인터루킨-6: p＜.01)를 보였다. 높은 운동 강도와 운동량을 유지하면서도 수분 손실에 따른 섭취가 많지 않다. 비록 단발성의 운동을 통하여 동일 대상임에도 수분 섭취에 따라 운동 처치에 따른 염증 반응이 상이한 결과를 볼 수 있듯이, 기온이 상승하는 여름철에 특히, 발열 및 땀으로 인한 수분 손실에 따라 충분한 수분 섭취가 필요할 것이다.
Abstract
The purpose of this study was to investigate the changes in inflammatory response(TNF-α, IL-6) in males in their 30’s, by presenting them with acute aerobic exercises. The subjects were asked to perform treadmill running at VO2max 50%(300kcal consumption time, treadmill) in three different conditions: 1) NWI: Non-water intake, 2) PWI: Pre-water intake, 3) PMWI: Pre, Mid-water intake. A single group performed three exercise and water ingestion treatments. Two weeks of rest interval between examinations were carried out to minimize the psychological and physiological effects of previous examinations. There was a significant difference in the effect of exercise duration (TNF-α: p＜.001, IL-6: p＜.001) and a significant difference in exercise group effect(IL-6: p＜.01). While maintaining high exercise intensity and exercise, there was not much intake due to water loss. As the inflammatory response of exercise treatment can be seen with different results depending on water intake, even though it was the same target through acute aerobic exercise, sufficient water intake will be required depending on the water loss caused by heat and sweat, especially during the summer when the temperature rises.
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