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| Improved insulin sensitivity and adiponectin level after exercise training in obese Korean youth |
| Kim ES, Im JA, Kim KC, Park JH, Suh SH, Kang ES, Kim SH, Jekal Y, Lee CW, Yoon YJ, Lee HC, Jeon JY |
| Obesity 2007 Dec;15(12):3023-3030 |
| clinical trial |
| 4/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: No; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed* |
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OBJECTIVE: The objective of this study was to investigate the association among adiposity, insulin resistance, and inflammatory markers (high-sensitivity c-reactive protein (hs-CRP), interleukin (IL)-6, and tumor necrosis factor (TNF)-alpha) and adiponectin and to study the effects of exercise training on adiposity, insulin resistance, and inflammatory markers among obese male Korean adolescents. RESEARCH METHODS AND PROCEDURES: Twenty-six obese and 14 lean age-matched male adolescents were studied. We divided the obese subjects into two groups: obese exercise group (N = 14) and obese control group (N = 12). The obese exercise group underwent 6 weeks of jump rope exercise training (40 min/d, 5 d/wk). Adiposity, insulin resistance, lipid profile, hs-CRP, IL-6, TNF-alpha, and adiponectin were measured before and after the completion of exercise training. RESULTS: The current study demonstrated higher insulin resistance, total cholesterol, LDL-C levels, triglyceride, and inflammatory markers and lower adiponectin and HDL-C in obese Korean male adolescents. Six weeks of increased physical activity improved body composition, insulin sensitivity, and adiponectin levels in obese Korean male adolescents without changes in TNF-alpha, IL-6, and hs-CRP. DISCUSSION: Obese Korean male adolescents showed reduced adiponectin levels and increased inflammatory cytokines. Six weeks of jump rope exercise improved triglyceride and insulin sensitivity and increased adiponectin levels.
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