Abstract
본 연구는 비만아동을 대상으로 12주간 중강도 유산소 운동을 통해 신체조성, 아디포넥틴, RBP-4, 혈관염증인자에 미치는 영향을 규명하는데 목적이 있다. 대상자들은 두 집단으로, 운동군(n=15)은 12주간 중강도 유산소 운동을 실시하였고, 대조군(n=13)은 운동 프로그램에 참여하지 않았다. 운동군은 여유심박수 50%의 운동강도로 300 kcal에 도달할 때까지 트레드밀에서 런닝을 하였다. 연구결과는 다음과 같다 : 운동군이 통제군보다 체중, 체질량지수, 체지방률, 수축기 혈압과 이완기 혈압이 각각 유의하게 감소하는 것으로 나타났고(p<0.05), 최대산소섭취량은 운동군에서 높게 나타났다(p<0.05). 공복시 혈당, 인슐린과 인슐린저항성은 운동군에서 유의하게 감소하였고(p<0.05), 아디포넥틴은 12주 운동 후 운동군에서 유의하게 증가하였다(p<0.05). 또한, 혈중 RBP-4, CRP, IL-6 농도는 대조군보다 운동군에서 유의하게 감소하는 것으로 나타났다(p<0.05). 본 연구에서 12주간 규칙적인 유산소 운동 프로그램은 비만 아동들의 염증과 신체지수 개선에 긍정적인 역할을 하는 것으로 나타났다. The aim of the present study is to investigate the effects of 12 weeks-moderate aerobic exercise training on body composition, adiponectin, retinol-binding protein-4 (RBP-4), and vascular inflammation factors in obese children. The subjects were classified into two groups, one of which was an exercise group (n=15) practicing moderate aerobic exercise training for 12 weeks, and the other group, the control group (n=13), was not in that program. The exercise group participants performed on the treadmill running at heart rate reserve (HRR) 50% of exercise intensity for 300 kcal of the consumed time. The results of all the studies and inspections are as follows: Weight, body mass index, body fat, and systolic and diastolic blood pressure were significantly lower, while <TEX>$VO_2$</TEX> max was higher in the exercise group than in the control group (p<0.05, respectively). Fasting glucose, insulin, and HOMA-IR levels in the exercise group were significantly decreased (p<0.05), whereas adiponectin levels in the exercise group were significantly increased after 12 weeks' exercise training (p<0.05). In addition, our results showed that RBP4, C-reactive protein (CRP), and interleukin-6 (IL-6) concentrations in the exercise group were significantly lower than those of the control group (p<0.05). This investigation has shown that a 12 weeks-regular aerobic exercise program offers useful effects such as an amelioration of inflammation and body indices in obese children.
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