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      • KCI등재후보

        중년비만여성의 AT운동강도에 따른 Hormone의 변화

        권정현(Kwon Jeoung-Hyun), 최승욱(Choi Seung-Wook) 한국체육과학회 2006 한국체육과학회지 Vol.15 No.1

        The purpose of this study was to investigate the metabolic responses to 60 minutes of steady state bicycle ergometer exercise with three different exercise intensities and determine the most optimal exercise intensity for improving cardiorespiratory function and maximal substrate utilization rate; belowAT (the intensity 30 Watts belowAT), atAT and aboveAT(the intensity 30 watts aboveAT). Insulin, cortisol were measured throughout 60 min exercise of each of three exercise intensities. The result were as follows : 1. No significant differences were observed in cortisol with aboveAT, atAT, and belowAT during 60minute of exercise, respectively. 2. Growth hormone was significantly changed after 30minute of bicycle ergometer exercise with the intensity of belowAT(p<.05). 3. No significant differences were observed in epinephrine and norepinephrine with aboveAT, atAT, and belowAT during 60minute of exercise.

      • KCI등재

        泳距離に及ぼす着衣の影響

        崔勝旭(Choi Seung-Wook), 權正鉉(Kwon Jeoung-Hyun) 한국체육과학회 2006 한국체육과학회지 Vol.15 No.1

        This study compared swimming distance between the group put on swimming suit and the group put on clothes of the 80 elementary school students from the 1st grade to the 6th grade. The upper limit of swimming distance was set to 300m. 1. As a result of comparison on the swimming distance, as the swimming distance of the group put on swimming suit increases, it gets close to the swimming distance of the group put on clothes. 2. As a result of comparison on the swimming distance in free style and breaststroke style between the two groups, the swimming distance of the group put on clothes appeared shorter in breaststroke style than in free style, and the difference between the two styles tended to be extended as the swimming distance increases.

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