| A 5-month weight-reduction programme has a positive effect on body composition, aerobic fitness, and habitual physical activity of severely obese girls: a pilot evaluation study. | |
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MedLine Citation:
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PMID: 20077277 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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In this pilot study, we wished to determine whether a 5-month multidisciplinary programme of a combined dietary-nutritional education-exercise intervention would have favourable effects on the health status of 18 obese adolescent girls. Before and after the clinical intervention, body composition and habitual physical activity were assessed by bioelectrical impedance and accelerometry, respectively. Aerobic fitness and substrate utilization were determined by gas exchange using an incremental field test that mimics habitual conditions. Despite a significantly (P < 0.001) greater loss of fat mass (-8.7 +/- 4.1 kg) compared with fat-free mass (-2.8 +/- 2.2 kg), energy expenditure at rest decreased by 9% following the intervention. Maximal oxygen consumption [Vdot]O2max related to fat-free mass increased by 7% (P < 0.05), whereas substrate utilization during exercise did not change following the intervention. Moderate and intense physical activity increased by 15% (+20 min . day(-1); P < 0.05) and 45% (+25 min . day(-1); P < 0.01), respectively. A significant relationship was observed between change in habitual physical activity and change in .[Vdot]O2max fat-free mass (r = 0.56, P = 0.01). The present multidisciplinary programme enhanced the loss of fat mass relative to fat-free mass but not sufficiently so to prevent a decline in metabolic rate during rest. Our results suggest a coupling in the improvement of aerobic fitness and habitual physical activity in obese adolescent girls, and hence an improvement in behaviour in relation to physical activity. |
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Authors:
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Céline Aguer; Olivier Gavarry; Yoann Gole; Alain Boussuges; Pierre Doyard; Guy Falgairette |
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Publication Detail:
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Type: Clinical Trial; Journal Article |
Journal Detail:
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Title: Journal of sports sciences Volume: 28 ISSN: 1466-447X ISO Abbreviation: J Sports Sci Publication Date: 2010 Feb |
Date Detail:
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Created Date: 2010-04-14 Completed Date: 2010-08-02 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8405364 Medline TA: J Sports Sci Country: England |
Other Details:
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Languages: eng Pagination: 281-9 Citation Subset: IM |
Affiliation:
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Laboratoire HANDIBIO EA 4322, UFR STAPS, Universite du Sud Toulon-Var, Avenue de l'Université, La Garde cedex, France. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adipose Tissue Adolescent Basal Metabolism Body Composition* Body Fluid Compartments Carbohydrate Metabolism Exercise / physiology* Exercise Therapy* Female Humans Lipid Metabolism Obesity / diet therapy, physiopathology, therapy* Oxidation-Reduction Oxygen Consumption* Physical Fitness* Pilot Projects Sedentary Lifestyle Weight Loss* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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