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Effects of a long-term physical exercise program with and without diet on obese boys after six-month detraining

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Abstract

Background

Most studies on physical fitness and detraining have been conducted on normal-weight children. Their results indicate that any gains regress to the untrained control values during the detraining period. It, therefore, seems necessary to determine how detraining affects the different fitness parameters in obese children. The aim of the present study was to evaluate the effects of detraining (6 months) on kinanthropometry and the components of physical fitness after an intervention (31 months) consisting of a program of exercise and/or diet for obese boys.

Methods

The participants were 18 boys, aged between 8 and 11 years, divided into E and E+D groups according to the program they followed. The E group followed a physical exercise program (three 90-minute sessions/ week), and the E+D group the same physical exercise program plus a low calorie diet. Physical fitness was assessed by the European physical fitness test battery including flamingo balance, plate tapping, sit-andreach, standing broad jump, hand-grip strength, sit-ups, bent-arm hang, 10×5-metre shuttle run, and 20-metre endurance shuttle run. The Kruskal-Wallis test was applied to reveal overall intergroup differences (E and E+D groups), and measurements showing significant differences were further analysed for differences between individual groups by the Mann-Whitney U test.

Results

In both groups, changes were observed in various physical fitness parameters, especially limb speed (E group, P=0.001; E+D group, P=0.002), agility (E group, P<0.001; E+D group, P<0.001), and aerobic fitness (E group, P=0.009; E+D group, P=0.002).

Conclusion

Detraining after a long-term intervention based on the combination of exercise program and exercise program plus diet in obese boys does not affect the changes attained during the intervention.

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Authors and Affiliations

  1. Faculty of Sport Sciences, AFIDES Research Group, University of Extremadura, Cáceres, Spain

    Antonio García-Hermoso, Jose M. Saavedra, Yolanda Escalante & Ana M. Domínguez

  2. Faculty of Sport Sciences, University of Extremadura, Avda, Universidad s/n, 10071, Cáceres, Spain

    Jose M. Saavedra

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  1. Antonio García-Hermoso
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  2. Jose M. Saavedra
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Correspondence to Jose M. Saavedra.

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García-Hermoso, A., Saavedra, J.M., Escalante, Y. et al. Effects of a long-term physical exercise program with and without diet on obese boys after six-month detraining. World J Pediatr 10, 38–45 (2014). https://doi.org/10.1007/s12519-014-0451-7

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  • DOI: https://doi.org/10.1007/s12519-014-0451-7

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