Acute Effects of Beetroot Juice Supplements on Resistance Training: A Randomized Double-Blind Crossover
| Autor: | Francisco Jesus Llorente-Cantarero, Jose Manuel Jurado-Castro, Candelaria Alonso De La Florida-Villagran, Victor Manuel Diaz-Bernier, Julian Campos-Perez, Antonio Ranchal-Sanchez |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Adult
Male Acute effects lcsh:TX341-641 Squat Performance-Enhancing Substances 030204 cardiovascular system & hematology Beetroot Juice Ergogenic aid ergogenic aid Placebo Nitrate Bench press Article Double blind Young Adult 03 medical and health sciences Dietary supplement Athletic performance beet juice 0302 clinical medicine Double-Blind Method nitrate nitric oxide Humans Medicine Ingestion Muscle Skeletal Beet juice Cross-Over Studies Nitrates Nutrition and Dietetics business.industry Resistance Training Nitric oxide 030229 sport sciences On resistance Fruit and Vegetable Juices dietary supplement Anesthesia Dietary Supplements Plant Preparations athletic performance Beta vulgaris business lcsh:Nutrition. Foods and food supply Food Science |
| Zdroj: | Nutrients 12(7), 1912 (2020) Nutrients Volume 12 Issue 7 Helvia. Repositorio Institucional de la Universidad de Córdoba instname Nutrients, Vol 12, Iss 1912, p 1912 (2020) Helvia: Repositorio Institucional de la Universidad de Córdoba Universidad de Córdoba |
| Popis: | The ingestion of beetroot juice (BJ) has been associated with improvements in physical performance in endurance sports, however the literature on resistance training (RT) is scarce. The aim of this study was to investigate the acute effects of BJ compared to a placebo (PLA) on muscular endurance and movement concentric velocity during RT. Twelve healthy men performed an incremental RT test (back squat and bench press) with three sets, at 60%, 70%, and 80% of their repetition maximum (1-RM). Movement velocity variables, total number of repetitions performed until concentric failure, blood lactate, and ratings of perceived effort post-training were measured. A higher number of repetitions were recorded with BJ compared to those with PLA (13.8 ± 14.4 p < 0.01 effect size (ES) = 0.6). Differences were found at 60% 1-RM (9 ± 10 0.05 ES = 0.61) and 70% 1-RM (3.1 ± 4.8 ES = 0.49), however, no differences were found at 80% 1-RM (1.7 ± 1 p = 0.12 ES = 0.41). A greater number of repetitions was performed in back squat (13.4 ± 13 ES = 0.77), but no differences were observed in bench press (0.4 ± 5.1 p = 0.785 ES = 0.03). No differences were found for the rest of the variables (p > 0.05). Acute supplementation of BJ improved muscular endurance performance in RT. |
| Databáze: | OpenAIRE |
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