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

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Lamboley, Cedric ORCID: 0000-0002-4008-4929, 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

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.

Additional Information

Online ISSN: 1526-484X

Item type Article
URI https://vuir.vu.edu.au/id/eprint/8051
Official URL http://journals.humankinetics.com/AcuCustom/Sitena...
Subjects Historical > Faculty/School/Research Centre/Department > Institute of Sport, Exercise and Active Living (ISEAL)
Historical > FOR Classification > 1106 Human Movement and Sports Science
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
Citations in Scopus 36 - View on Scopus
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