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운동시 비만아동의 심전도 ST segment 에 관한 연구
남현희(Hyun Hee Nam),김영준(Young Jun Kim),장성동(Seung Dong Jang) 한국사회체육학회 2002 한국사회체육학회지 Vol.17 No.-
This study aims to reveal the physical changes of obese children as well as their ST segments and myocardial oxygen uptake during the bicycle ergometer exercise at 60% V˙O_2 max of the maximum work load. 14 elementary school boys were chosen: 7 for the obesity group(fat≥20%) and 7 for the control group(fat<20%). During the work load of 60% V˙O_2max in the exercise with a bicycle ergometer, aerobic capacity, oxygen uptake and the changes of ST segments were examined. The following are the conclusions : 1. Oxygen uptake was similar at rest in both groups, but the obesity group tended to show higher values 1 minute after the exercise. From 5 minutes after the bicycle ergometer exercise, the obesity group was significantly higher(p<.05). 2. The ST level showed no difference between the two groups at rest, while both groups tended to decrease during the 60% V˙O_2max exercise. 3. The ST slope indicated no significant difference at rest, but each group revealed a tendency of increase during the 60% V˙O_2max bicycle ergometer exercise. 4. The ST index in both groups tended to increase during the bicycle ergometer exercise at 60% V˙O_2max. As described above, fat children showed some significant changes in oxygen uptake during the 60% V˙O_2max bicycle ergometer exercise. Also, during the exercise, the ST level was lowered, while the ST slope grew up.