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Jornal de Pediatria
On-line version ISSN 1678-4782
FARIAS, Edson S. et al. Influence of programmed physical activity on body composition among adolescent students. J. Pediatr. (Rio J.) [online]. 2009, vol.85, n.1, pp. 28-34. ISSN 1678-4782. http://dx.doi.org/10.1590/S0021-75572009000100006.
OBJECTIVE: To verify the influence of programmed physical activity on body composition among adolescent students during 1 school year. METHODS: The sample included 383 students (age range: 10 to 15years) separated into two groups: 186 cases (96 male and 90 female) and 197 controls (108 male and 89 female). This was an intervention study with pre- and post-test assessments in which interventions consisted of programmed physical activity; the control group had conventional school physical education. Body composition was assessed by anthropometric measurements, body mass index (BMI), body fat percentage and fat and lean body mass. RESULTS: In the case group, subscapular skinfold thickness, BMI, body fat percentage and fat body mass remained stable; there were significant reductions in tricipital skinfold thickness and in abdominal perimeter among girls and significant increases in arm, waist and calf perimeters and in lean body mass. In the control group, there were significant increases in BMI, tricipital skinfold thickness, abdominal perimeter and fat body mass among girls. At post-test, overweight and obesity significantly decreased among case group subjects, but not among controls. CONCLUSION: Programmed physical activity resulted in improvement or maintenance of body composition parameters and in reduction of overweight and obesity in the intervention group.
Keywords : Motor activity; school health; body composition; obesity; overweight.