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Revista Andaluza de Medicina del Deporte
versão On-line ISSN 2172-5063versão impressa ISSN 1888-7546
Resumo
FERREIRA, H.R. et al. Effects of supplementation β-hydroxy-β-methylbutyrate in mechanical efficiency in elite paddlers. Rev Andal Med Deporte [online]. 2017, vol.10, n.3, pp.137-141. ISSN 2172-5063. https://dx.doi.org/10.1016/j.ramd.2015.02.009.
Objective:
This prospective, randomized, double-blind, placebo-controlled, checked the effect of the intake of 3 g/day-1 of β-Hidroxy-β-Methylbutyrato on the parameters of the force-time curve in elite kayakers.
Method:
24 paddlers, men, elite with 21.41 ± 5.35 years, 173.36 ± 8.27 cm and 69.83 ± 10.29 kg. Formed two groups, one supplemented (HMB) and another placebo (CON), both followed for 14 days and subjected to maximum test 4 min (pre and post) in a kayak ergometer.
Results:
Point improvement in mechanical efficiency in line with the significant increase in the generated pulse (17.23% p = 0.02), average power (26.6% p = 0.01), stroke frequency (13.5% p = 0.04) before maximum test 4 min ergometer.
Conclusion:
There was improvement in the ability to generate power, which may be associated with supplementation of β-Hidroxy-β-Methylbutyrato by reducing catabolism during training, however the mechanism by which this may occur is still unknown.
Palavras-chave : β-hidroxi-β-metilbutirato; Kayakers; Athletes Elite.