A 6-month trial of resistance training with milk supplementation in adolescents: Effects on body composition

K Lambourne, R A Washburn, Jae Hoon Lee, J Betts, D T Thomas, B K Smith, C A Gibson, D K Sullivan, J E Donnelly

Research output: Contribution to journalArticle

Abstract

Fluid milk consumed in conjunction with resistance training (RT) provides additional protein and calcium, which may enhance the effect of RT on body composition. However, the literature on this topic is inconsistent with limited data in adolescents. Therefore, we examined the effects of a supervised RT program (6 mo, 3 d/ wk, 7 exercises, 40-85% 1-repetition maximum) with daily milk supplementation (24 oz/day, one 16-oz dose immediately post-RT) on weight, fat mass (FM), and fat-free mass (FFM) assessed via dual-energy X-ray absorptiometry (baseline, 3 mo, 6 mo) in a sample of middle-school students who were randomly assigned to 1 of 3 supplement groups: milk, isocaloric carbohydrate (100% fruit juice), or water (control). Thirty-nine boys and 69 girls (mean age = 13.6 yr, mean BMI percentile = 85th) completed the study: milk n = 36, juice n = 34, water n = 38. The results showed no significant differences between groups for change in body weight (milk = 3.4 ± 3.7 kg, juice = 4.2 ± 3.
Original languageEnglish
Pages (from-to)344–356
JournalInternational Journal of Sport Nutrition and Exercise Metabolism
StatePublished - 2013

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