Effect of Acute Beetroot Juice Supplementation on Bench Press Power, Velocity, and Repetition Volume

ABSTRACTWilliams, TD, Martin, MP, Mintz, JA, Rogers, RR, and Ballmann, CG. Effect of acute beetroot juice supplementation on bench press power, velocity, and repetition volume. J Strength Cond Res 34(4)924–928, 2020—The purpose of this study was to examine the effects of acute beetroot juice (BRJ) s...

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Bibliographic Details
Published in:Journal of strength and conditioning research 2020-04, Vol.34 (4), p.924-928
Main Authors: Williams, Tyler D, Martin, Mary P, Mintz, Jake A, Rogers, Rebecca R, Ballmann, Christopher G
Format: Article
Language:English
Subjects:
Adult
Beta vulgaris
Cross-Over Studies
Dietary Supplements
Double-Blind Method
Exercise
Exercise physiology
Fruit juices
Humans
Juices
Male
Muscle Strength - drug effects
Muscle, Skeletal - drug effects
Physical fitness
Repetition
Resistance Training - methods
Rest
Strength training
Supplements
Velocity
Weight Lifting - physiology
Young Adult
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Summary:ABSTRACTWilliams, TD, Martin, MP, Mintz, JA, Rogers, RR, and Ballmann, CG. Effect of acute beetroot juice supplementation on bench press power, velocity, and repetition volume. J Strength Cond Res 34(4)924–928, 2020—The purpose of this study was to examine the effects of acute beetroot juice (BRJ) supplementation on power, velocity, and repetitions to failure (RTF) during bench press exercise. Resistance-trained male subjects (n = 11) were recruited for this study. Using a double-blinded, counterbalanced, crossover study design, subjects were supplemented with either 70 ml of BRJ or placebo (PL; black currant juice) 2 hours before exercise. During each exercise trial, subjects began by completing 2 sets × 2 repetitions of bench press at 70% 1 repetition maximum (1RM) with maximum explosive intent. Barbell velocity and power were measured using a linear position transducer. Subjects then completed 3 sets × RTF at 70% 1RM separated by 2 minutes of rest between each set. Maximum mean power, velocity, and repetitions were analyzed. Mean velocity (p = 0.011; effect size [ES] = 0.54) and mean power (p = 0.015; ES = 0.51) were significantly higher with BRJ when compared with PL. Total RTF (p = 0.002; ES = 0.46) was higher during the BRJ condition vs. PL. Results indicate that acute BRJ supplementation positively impacts velocity, power, and total repetitions during free-weight bench press exercise.
ISSN:1064-8011
1533-4287
DOI:10.1519/JSC.0000000000003509