Combined creatine and sodium bicarbonate supplementation enhances interval swimming
Mero AA, Keskinen KL, Malvela MT, Sallinen JM
Journal of strength and conditioning research · 21 citas
Etiquetas de revisión
Financiación no declaradaDatos neutrales que nuestra revisión registró sobre cómo se hizo este estudio. Describen el método, nunca si nos gusta el resultado.
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 no declarada
Publicación
- Publicado
- 2004-01-01 · J Strength Cond Res · vol. 18 · número 2 · pág. 306
- Editorial
- Lippincott Williams & Wilkins
- Citado
- 53 citas · más que el 63% de estudios similares · 0.6× el promedio de su campo
- Referencias
- 0 trabajos
- Acceso
- De pago
- Áreas de investigación
- Muscle metabolism and nutrition · Sports Performance and Training · Biochemical effects in animals
- Palabras clave
- creatine supplementation, sodium bicarbonate supplementation, swimming performance, blood pH, blood lactate, freestyle swimming, sports nutrition
- MeSH
- humans, sodium bicarbonate, creatine, drug therapy, combination, analysis of variance, cross-over studies, double-blind method, physical endurance, swimming, dietary supplements, adolescent, female, male
4 autores
- Antti A. Mero🇫🇮University of Jyväskylä
- Kari Lasse Keskinen🇫🇮University of Jyväskylä
- Marko Malvela🇫🇮University of Jyväskylä
- JANNE M. SALLINEN🇫🇮University of Jyväskylä
Resumen
El texto original del estudio, en el idioma en que se publicó.
This study examined the effect of simultaneous supplementation of creatine and sodium bicarbonate on consecutive maximal swims. Sixteen competitive male and female swimmers completed, in a randomized order, 2 different treatments (placebo and a combination of creatine and sodium bicarbonate) with 30 days of washout period between treatments in a double-blind crossover procedure. Both treatments consisted of placebo or creatine supplementation (20 g per day) in 6 days. In the morning of the seventh day, there was placebo or sodium bicarbonate supplementation (0.3 g per kg body weight) during 2 hours before a warm-up for 2 maximal 100-m freestyle swims that were performed with a passive recovery of 10 minutes in between. The first swims were similar, but the increase in time of the second versus the first 100-m swimming time was 0.9 seconds less (p < 0.05) in the combination group than in placebo. Mean blood pH was higher (p < 0.01-0.001) in the combination group than in placebo after supplementation on the test day. Mean blood pH decreased (p < 0.05) similarly during the swims in both groups. Mean blood lactate increased (p < 0.001) during the swims, but there were no differences in peak blood lactate between the combination group (14.9 +/- 0.9 mmol.L(-1)) and placebo (13.4 +/- 1.0 mmol.L(-1)). The data indicate that simultaneous supplementation of creatine and sodium bicarbonate enhances performance in consecutive maximal swims.
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