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A 10-Month Physical Activity Intervention Improves Body Composition in Young Black Boys

Howe, C.A., Harris, R.A. and Gutin, B (2010) A 10-Month Physical Activity Intervention Improves Body Composition in Young Black Boys. Journal of Obesity, 2011 . pp. 1-8. [Journal article]

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DOI: 10.1155/2011/358581

Abstract

Objective. To determine if a 10-month after-school physical activity (PA) intervention could prevent deleterious changes in body composition and cardiovascular (CV) fitness in young black boys. Methods. Following baseline measures, 106 boys (8–12 yrs) were randomized to either a control group or an intervention group, further divided into attenders (ATT) and nonattenders (NATT), participating in ≥60% or <60% of the intervention, respectively. The daily intervention consisted of skills development (25 min), vigorous PA (VPA, 35 min), and strengthening/stretching (20 min) components. Body composition was measured by dual-energy X-ray absorptiometry. Results. Following the intervention, the ATT exhibited an increase in moderate-to-vigorous PA and a significant reduction in BMI, fat mass, and %BF compared to the control group. A significant association among the intervention energy expenditure and changes in body composition and CV fitness was observed only in the ATT group. Conclusion. An after-school PA program of sufficient length and intensity can promote healthy changes in body composition and fitness levels in black boys who attend at least 3 days/week.

Item Type:Journal article
Faculties and Schools:Faculty of Life and Health Sciences > School of Sport
Faculty of Life and Health Sciences
Research Institutes and Groups:Sport and Exercise Sciences Research Institute
ID Code:28387
Deposited By: Mrs Julie Haydock
Deposited On:14 Jan 2014 09:29
Last Modified:09 May 2016 11:18

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