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- Title
La suplementación con BCAA no mejora el salto vertical en los jugadores de voleibol profesionales. Estudio doble ciego, controlado y aleatorizado.
- Authors
Pedro Martín-Martíez, Juan; Calleja-González, Julio; Adsuar Sala, José Carmelo; Gómez-Pomares, Santiago; Carlos-Vivas, Jorge; Pérez-Gómez, Jorge; Martín-Martínez, Juan Pedro; Calleja Gonzalez, Julio
- Abstract
<bold>Introduction: </bold>To the best of the authors' knowledge, no previous studies have described the effect of branched-chain amino acids (BCAA) on vertical performance during a week in professional volleyball players. This study assessed BCAA supplementation for a week, aiming to improve vertical jump performance in male professional volleyball players. Twelve male volleyballers were randomly assigned to a BCAA group (n = 6) or a control group (n = 6). The BCAA group ingested 21 g over a week, 7 g per day on Monday, Wednesday, and Friday, before a volleyball training session, while the control group drank a placebo drink. Participants performed 8 maximal countermovement jumps (CMJ); the 3 CMJs on Monday and Wednesday were evaluated after warm-up, after plyometric training, and at the end of the training session; and the 2 CMJs on Friday were evaluated after warm-up, and at the end of the training session. Compared with baseline, no significant differences in CMJ over the week were observed in BCAA or control group, neither between groups. The results indicated that 21 g of BCAA supplementation over a week did not improve vertical jump performance in professional volleyball players.
- Subjects
AMINO acids; VOLLEYBALL players; RANDOMIZED controlled trials; ERGOGENIC aids; PLYOMETRICS; RESEARCH; BRANCHED chain amino acids; RESEARCH methodology; ATHLETES; MEDICAL cooperation; EVALUATION research; DIETARY supplements; VOLLEYBALL; COMPARATIVE studies; BLIND experiment; MUSCLE strength; ATHLETIC ability; EXERCISE therapy
- Publication
Nutrición Hospitalaria, 2020, Vol 37, Issue 5, p1007
- ISSN
0212-1611
- Publication type
journal article
- DOI
10.20960/nh.03032