Neuromuscular Adaptations after Blood Flow Restriction Training Combined with Nutritional Supplementation: A Preliminary Study

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Title: Neuromuscular Adaptations after Blood Flow Restriction Training Combined with Nutritional Supplementation: A Preliminary Study
Authors: Chulvi Medrano, Iván | Picón, Moisés | García-Jaén, Miguel | Cortell-Tormo, Juan M. | Alakhdar, Yasser | Laurentino, Gilberto
Research Group/s: Research in Physical Education, Fitness and Performance (RIPEFAP) | Grupo de Investigación en Alimentación y Nutrición (ALINUT)
Center, Department or Service: Universidad de Alicante. Departamento de Didáctica General y Didácticas Específicas
Keywords: Skeletal muscle hypertrophy | Muscle strength | Occlusion training
Knowledge Area: Educación Física y Deportiva
Issue Date: 1-Mar-2019
Publisher: Montenegrin Sports Academy
Citation: Montenegrin Journal of Sports Science and Medicine. 2019, 8(1): 37-42. doi:10.26773/mjssm.190306
Abstract: Blood flow restriction training (BFRT) has been shown to be an effective alternative technique to conventional resistance training to increase skeletal muscle hypertrophy and strength. However, neuromuscular response to BFRT in combination with nutritional supplementation has rarely been studied. The purpose of this study was to investigate the effects of BFRT combined with creatine monohydrate (CrM) and/or hydroxymethyl butyrate (HMB) on skeletal muscle size and strength. Fifteen healthy males were randomly divided into three groups: a) BFRT without supplementation (C-BFR); b) BFRT with CrM supplementation (0.3 g / kg-1) (CrM-BFR); and c) BFRT with CrM (0.3 g / kg-1) and HMB (3 g) supplementation (CrM + HMB-BFR). Participants performed elbow flexion exercise (30% of maximal isometric voluntary contraction (MIVC)) at 30% of total occlusion pressure, twice a week, for three weeks. MIVC of the elbow flexion and brachial biceps muscle thickness were assessed pre- and post-training. There was no significant group-by-time interaction for MIVC values (p>0.05). Biceps muscle thickness was significantly increased from pre- to post-test in all groups (p<0.05). The C-BFR group obtained a greater value of effect size (d=2.2). These findings suggest that 3 weeks of CrM and HMB supplementation had no influence on BFRT-induced neuromuscular adaptations.
URI: http://hdl.handle.net/10045/88651
ISSN: 1800-8755 (Print) | 1800-8763 (Online)
DOI: 10.26773/mjssm.190306
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2018 by the author(s). License MSA, Podgorica, Montenegro. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY)
Peer Review: si
Publisher version: https://doi.org/10.26773/mjssm.190306
Appears in Collections:INV - ALINUT - Artículos de Revistas
INV - RIPEFAP - Artículos de Revistas

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