Magnesium status and the physical performance of volleyball players: effects of magnesium supplementation
Setaro L, Santos-Silva PR, Nakano EY, Sales CH, Nunes N, Greve JM, Colli C
Journal of sports sciences · 19 citas
Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación independiente
- Gobierno
- Conselho Nacional de Desenvolvimento Científico e Tecnológico
Según 1 financiador declarado.
Publicación
- Publicado
- 2013-09-09 · J Sports Sci · vol. 32 · número 5 · págs. 438–445
- Editorial
- Taylor & Francis
- Citado
- 42 citas · más que el 79% de estudios similares · 1.0× el promedio de su campo
- Referencias
- 36 trabajos
- Acceso
- De pago
- Áreas de investigación
- Magnesium in Health and Disease · Sports Performance and Training · Exercise and Physiological Responses
- Palabras clave
- magnesium supplementation, volleyball players, physical performance, plasma magnesium, urinary magnesium, creatine kinase, lactic acid production, countermovement jump, plyometric performance, isokinetic performance, VO2max, hypomagnesemia
- MeSH
- knee, humans, magnesium, lactic acid, creatine kinase, double-blind method, energy metabolism, oxygen consumption, physical endurance, dietary supplements, adolescent, adult, male, muscle strength, volleyball, athletic performance, young adult, plyometric exercise
7 autores
- Luciana Setaro🇧🇷Universidade de São Paulo
- Paulo Roberto Santos Silva🇧🇷Universidade de São Paulo; Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
- Eduardo Yoshio Nakano🇧🇷Universidade de Brasília
- Cristiane Hermes Sales🇧🇷Universidade de São Paulo
- Newton Nunes🇧🇷Universidade de São Paulo
- Júlia María D’Andréa Greve🇧🇷Universidade de São Paulo
- Célia Colli🇧🇷 · autor de correspondenciaUniversidade de São Paulo
Resumen
El texto original del estudio, en el idioma en que se publicó.
The aim of this study was to test the hypothesis that magnesium supplementation influences the physical performance of volleyball players, as the efficacy of this approach remains questionable. Twenty-five professional male volleyball players were assigned randomly to experimental (350 mg Mg · d(-1), 4 weeks) and control groups (500 mg maltodextrin · d(-1), 4 weeks) maintaining inter-group homogeneity of urinary magnesium. Erythrocyte, plasma and urinary magnesium levels, plasma creatine kinase activity, lactate production, maximal oxygen uptake (VO2 max) and plyometric (squat jump, countermovement jump, countermovement jump with arm swing) and isokinetic (peak torque, potency and total work) performances were evaluated before (T0) and after (T1) supplementation. Levels of erythrocyte and urinary magnesium and creatine kinase activity and VO2 max remained within normal ranges in both groups. Plasma magnesium decreased significantly only within the experimental group. Significant decreases in lactate production and significant increases (of up to 3 cm) in countermovement jump and countermovement jump with arm swing values were detected in the experimental group following magnesium supplementation, but not in the control group at T1. It is concluded that magnesium supplementation improved alactic anaerobic metabolism, even though the players were not magnesium-deficient.
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