Effects of Six Weeks of β-Hydroxy-β-Methylbutyrate (HMB) and HMB/Creatine Supplementation on Strength, Power, and Anthropometry of Highly Trained Athletes

May 29, 2007Journal of strength and conditioning research

Six weeks of HMB and HMB with creatine on strength, power, and body measurements in highly trained athletes

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Abstract

Statistical analysis revealed no effect of HMB or HMB combined with creatine on any measured parameter.

Dietary supplementation of HMB or HMB combined with creatine was tested in elite male rugby league players over 6 weeks.
A control group and two supplementation groups were assessed for muscular strength, endurance, leg power, and body measurements.
No significant changes were observed in strength or endurance tests, leg power, or body composition compared to baseline or the control group.
The findings suggest that HMB and HMBCr do not enhance performance in highly trained male athletes.

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This study investigated the effects of 6 weeks of dietary supplementation of beta-hydroxy-beta-methylbutyrate (HMB) and HMB combined with creatine monohydrate (HMBCr) on the muscular strength and endurance, leg power, and anthropometry of elite male rugby league players. The subjects were divided into a control group (n = 8), a HMB group (n = 11; 3 g.d(-1)) or a HMBCr group (n = 11; 12 g.d(-1) with 3 g HMB, 3 g Cr, 6 g carbohydrates). Three repetition maximum lifts on bench press, deadlifts, prone row, and shoulder press, maximum chin-up repetitions, 10-second maximal cycle test, body mass, girths, and sum of skinfolds were assessed pre- and postsupplementation. Statistical analysis revealed no effect of HMB or HMBCr on any parameter compared with presupplementation measures or the control group. HMB and HMBCr were concluded to have no ergogenic effect on muscular strength and endurance, leg power, or anthropometry when taken orally by highly trained male athletes over 6 weeks.

Effects of Six Weeks of β-Hydroxy-β-Methylbutyrate (HMB) and HMB/Creatine Supplementation on Strength, Power, and Anthropometry of Highly Trained Athletes

Abstract

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