복합운동 수행이 비만청소년의 혈중 C-reactive protein, Interleukin-6, 혈중 지질 및 인슐린 저항성에 미치는 영향
Effects of Combined Aerobic and Resistance Exercise on Plasma C-reactive Protein, Interleukin-6, Lipids, and Insulin Resistance in Obese Adolescent
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본 연구에서는 비만청소년을 대상으로 저항성운동과 유산소운동을 병행한 복합운동을 수행하는 것이 혈중 IL-6, CRP, 지질 수준 및 인슐린 저항성 에 미치는 영향을 알아보았다. 연구 대상은 체지방률 30% 이상의 비만청소년이었고 복합운동은 저항성운동(60% 1RM)과 유산소운동(60% HRR)으로 구성하였으며 주 4회 8주 동안 수행하도록 하였다. 연구 결과, 8주 동안의 복합운동 수행은 비만으로 증가되었던 체중, BMI, 체지방률과 체중에 대한 제지방량의 비율을 유의하게 감소시켰다. 혈중 지질성분인 TC, TG, LDL-C, HDL-C 수치는 복합운동 수행 후 유의하게 변화되지 않았으나 대조군에 비해 유의하게 높았던 혈중 인슐린 수치와 HOMA-IR 수치는 유의하게 감소하였다. 혈중 IL-6와 CRP의 경우, 대조군에 비해 비만청소년에서 유의하게 증가되어 있었으나 복합운동 수행 후 유의하게 감소된 것을 확인하였다. 결론적으로, 비만청소년을 대상으로 저항성운동과 유산소운동을 병행한 복합운동을 수행하는 것은 체지방률과 인슐린 저항성을 낮출 뿐만 아니라 비만으로 인한 전신적 염증반응을 유의하게 억제하는 것을 혈중 IL-6와 CRP가 감소된 것으로 알 수 있었다.
Abstract
The purpose of this study is to assess the effects of combined aerobic and resistance exercise (aerobic exercise at 60% HRR, resistance exercise at 60% 1RM) on plasma C reactive-protein (CRP), interleukin-6 (IL-6), lipids, and insulin resistance (HOMA-IR) in obese adolescent. Exercise program was performed for 8 weeks. Body composition and blood biochemical variables were analyzed before and after exercise training. In the results, there were significant differences between obese adolescent group and age-matched control group. Body weight, %fat, BMI, plasma insulin, HOMA-IR, CRP, and IL-6 in obese adolescent were increased significantly than in control group. However, these variables including plasma CRP, IL-6, and HOMA-IR in obese adolescent were decreased significantly after exercise. In conclusion, combined aerobic and resistance exercise program in obese adolescent appears to be helpful for improving the obesity and lowering obese-induced systemic inflammation.
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