Exercise training at the intensity of maximal fat oxidation in obese boys

Tan, Sijie and Wang, Jianxiong and Cao, Liquan (2016) Exercise training at the intensity of maximal fat oxidation in obese boys. Applied Physiology, Nutrition, and Metabolism, 41 (1). pp. 49-54. ISSN 1715-5312


The objectives of this study were to explore the effects of 10 weeks of exercise training at the intensity of maximal fat oxidation rate (FATmax) on body composition, cardiovascular fitness, and functional capacity in 8- to 10-year-old obese boys. This is a school-based interventional study. Twenty-six obese boys and 20 lean boys were randomly allocated into the exercise and control groups. Measurements of body composition, FATmax through gas analyses, predicted maximal oxygen uptake, and functional capacity (run, jump, abdominal muscle function, and body flexibility) were conducted at baseline and at the end of experiments. Two exercise groups participated in 10 weeks of supervised exercise training at individualized FATmax intensities, for 1 h per day and 5 days per week. FATmax training decreased body mass (–1.0 kg, p < 0.05), body mass index (–1.2 kg/m2, p < 0.01), fat mass (–1.2 kg, p < 0.01), and abdominal fat (–0.13 kg, p < 0.01) of the trained obese boys. Their cardiovascular fitness (p < 0.05) and body flexibility (p < 0.05) were also improved after training. The lean boys showed improvements in cardiovascular fitness after training (p < 0.05). FATmax training increased the FATmax in obese boys from 0.35 ± 0.12 g/min to 0.38 ± 0.13 g/min, but this change was not statistically significant. In addition, there was no change in daily energy intake for all participants before and after the experimental period. Results of this study suggest that FATmax is an effective exercise training intensity for the treatment of childhood obesity.

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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Third place winner for the USQ School-Specific 2016 Publication Excellence Awards for Journal Articles - School of Health and Wellbeing. Permanent restricted access to ArticleFirst version in accordance with the copyright policy of the publisher.
Faculty / Department / School: Current - Faculty of Health, Engineering and Sciences - School of Health and Wellbeing
Date Deposited: 04 Apr 2016 00:28
Last Modified: 05 Sep 2017 04:58
Uncontrolled Keywords: childhood obesity, exercise, intensity, fat oxidation rate, functional capacity
Fields of Research : 11 Medical and Health Sciences > 1106 Human Movement and Sports Science > 110602 Exercise Physiology
Identification Number or DOI: 10.1139/apnm-2015-0174
URI: http://eprints.usq.edu.au/id/eprint/28288

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