| One-hour after-school exercise ameliorates central adiposity and lipids in overweight Chinese adolescents: a randomized controlled trial. | |
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MedLine Citation:
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PMID: 21362327 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: The prevalence of overweight and obesity in Chinese children and adolescents was increasing during the past few decades. The goal of this study was to investigate the effects of after-school exercise with or without diet restriction on total and central obesity, fitness level, and metabolic profile in overweight Chinese adolescents. METHODS: A ten-week weight loss trial was performed using a 2 × 2 block design (exercise × diet). Ninety-three overweight adolescents (average age: (13.6 ± 0.7) years; body mass index (BMI): 22.4 - 34.1 kg/m(2)) were randomly assigned to four groups: 1) diet (D); 2) exercise (EX); 3) diet plus exercise (DEX); and 4) overweight control (C). Caloric intake recipes were enacted based on individual age and corresponding ideal body weight. One-hour after-school exercise was performed once per day, four days per week for ten weeks. Changes of anthropometry, body composition, aerobic fitness, and metabolic biomarkers were determined. RESULTS: Groups D, EX and DEX had a significant decrease in BMI (P < 0.01) after the intervention. The percentage of body and truncal fat, and waist circumference were independently reduced by exercise (P < 0.05 and P < 0.01), but not diet. The decrease in body fat percentage was positively related with the exercise compliance (r = 0.34, P = 0.01). Exercise decreased truncal fat percentage and waist circumference, suggesting a reduction of central adiposity, but did not significantly affect body weight and BMI. Exercise significantly reduced serum low-density lipoprotein cholesterol (P = 0.037), which was positively correlated with decreases of truncal fat percentage (r = 0.222, P = 0.048). No significant effects of interventions on insulin sensitivity, early insulin release index, and aerobic fitness were observed. CONCLUSION: At least twice a week of one-hour after-school exercise significantly attenuated central adiposity and had a significant impact on lipid profiles in overweight Chinese adolescents. |
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Authors:
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Ming-Xiao Sun; Xiu-Qing Huang; Yi Yan; Bo-Wen Li; Wei-Juan Zhong; Jun-Fei Chen; Yi-Min Zhang; Zheng-Zhen Wang; Lu Wang; Xiao-Cai Shi; Jian Li; Min-Hao Xie |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Chinese medical journal Volume: 124 ISSN: 0366-6999 ISO Abbreviation: Chin. Med. J. Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-03-02 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7513795 Medline TA: Chin Med J (Engl) Country: China |
Other Details:
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Languages: eng Pagination: 323-9 Citation Subset: IM |
Affiliation:
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Department of Endocrinology, Beijing Hospital, Beijing 100730, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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