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- Title
Effect of Individualized Exercise Training Combined with Diet Restriction on Inflammatory Markers and IGF-1/IGFBP-3 in Obese Children.
- Authors
Ounis, Omar Ben; Elloumi, Mohamed; Zouhal, Hassane; Makni, Emna; Denguezli, Myriam; Amri, Mohamed; Lac, Gérard; Tabka, Zouhair
- Abstract
Aims: The present study was designed to examine the possible changes in body composition, insulin-like growth factor 1 (IGF-1), insulin-like growth factor-binding protein-3 (IGFBP-3) and inflammatory markers of obese children in response to a 2-month program of exercise training combined with dietary restriction. Methods: Twenty-eight obese children (age 13.2 ± 0.7 years, body mass index 30.9 ± 1.3) were randomly assigned to a diet/training group or a control group and were tested two times: once before and once at the end of the experimental period. They performed a progressive cycle ergometer test at each visit. Substrate oxidation was evaluated by indirect calorimetry. Training was individualized at the point when fat oxidation was maximal (Lipoxmax). Results: Diet/training induced a significant decrease in body weight and body fat (after vs. before, p < 0.01). Plasma concentrations of IGF-1, IGFBP-3 and inflammatory markers were significantly decreased after the completion of the program. The diet/training program resulted in an increase in VO2maxACSM (24.6 ± 2.5 to 33.1 ± 3.1 ml/min/kg, p < 0.001) at the end of the intervention period. Conclu- sion: These data suggest that in the presence of weight loss, exercise training improves inflammatory markers and IGF-1 and IGFBP-3 levels in obese children. Copyright © 2010 S. Karger AG, Basel
- Subjects
INSULIN-like growth factor-binding proteins; SOMATOMEDIN; OVERWEIGHT children; CHILDHOOD obesity; CHILDREN'S health
- Publication
Annals of Nutrition & Metabolism, 2010, Vol 56, Issue 4, p260
- ISSN
0250-6807
- Publication type
Article
- DOI
10.1159/000275888