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Effect of Calcium Intake, Tennis Playing, and Body Composition on Bone-Mineral Density of Brazilian Male Adolescents
International Journal of Sport Nutrition & Exercise Metabolism
In this prospective, cross-sectional study male adolescent tennis players (44) and nonathletic controls (32) were evaluated to determine the effects of physical activity, dietary nutrient intakes, sexual maturation, and body composition on bone-mineral density (BMD). Dietary nutrient intakes and physical activity expenditure were estimated by 4-d diaries. Total body composition, bone-mineral content (BMC), and BMD (L1-L4, femur, and nondominant forearm) were assessed by dual-energy X-raydoi:10.1123/ijsnem.18.5.524 pmid:19033613 fatcat:bitgz7sip5ca7k2675yyn34m4i