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Effects of β-hydroxy-β-methylbutyrate on aerobic-performance components and body composition in college students

Lamboley, C. R and Royer, Donald and Dionne, Isabelle J (2007) Effects of β-hydroxy-β-methylbutyrate on aerobic-performance components and body composition in college students. International Journal of Sport Nutrition and Exercise Metabolism, 17 (1). pp. 56-69. ISSN 1526-484X

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Abstract

The aim of this study was to determine the effects of oral ß-hydroxy-ß-methylbutyrate (HMB) supplementation (3 g/d) on selected components of aerobic performance and body composition of active college students. Subjects were randomly assigned to either an HMB (n = 8) or a placebo (PLA) group (n = 8) for a 5-wk supplementation period during which they underwent interval training 3 times a week on a treadmill. Aerobic-performance components were measured using a respiratory-gas analyzer. Body composition was determined using dual-energy X-ray absorptiometry. After the intervention, there were significant differences (P < 0.05) between the 2 groups in gains in maximal oxygen consumption (+8.4% for PLA and +15.5% for HMB) and in respiratory-compensation point (+8.6% for PLA and +13.4% for HMB). Regarding body composition, there were no significant differences. The authors concluded that HMB supplementation positively affects selected components of aerobic performance in active college students.

Item Type: Article
Additional Information:

Online ISSN: 1526-484X

Uncontrolled Keywords: ResPubID22096. nutritional supplements, aerobic training, ergogenic aid, β-hydroxy-β-methylbutyrate, Beta-methylbutyrate-Beta-hydroxy, HMB, aerobic exercise, aerobic performance, body composition, college students
Subjects: Faculty/School/Research Centre/Department > Institute of Sport, Exercise and Active Living (ISEAL)
FOR Classification > 1106 Human Movement and Sports Science
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Depositing User: VUIR
Date Deposited: 28 Mar 2012 02:23
Last Modified: 04 Mar 2015 04:56
URI: http://vuir.vu.edu.au/id/eprint/8051
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Citations in Scopus: 7 - View on Scopus

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