No effect of heavy resistance training and creatine supplementation on blood lipids
Volek JS, Duncan ND, Mazzetti SA, Putukian M, Gómez AL, Kraemer WJ
International journal of sport nutrition and exercise metabolism · 26 citas
Etiquetas de revisión
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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
- 2000-06-01 · Int J Sport Nutr Exerc Metab · vol. 10 · número 2 · págs. 144–156
- Editorial
- Human Kinetics
- Citado
- 49 citas · más que el 85% de estudios similares · 2.1× el promedio de su campo
- Referencias
- 18 trabajos
- Acceso
- De pago
- Áreas de investigación
- Muscle metabolism and nutrition · Sports Performance and Training · Exercise and Physiological Responses
- Palabras clave
- high-load resistance training, creatine supplementation, creatine monohydrate, serum lipids, serum cholesterol, HDL cholesterol, LDL cholesterol, triglycerides, serum creatinine, body composition, fat-free mass, fat mass, training periodization, healthy men
- MeSH
- humans, creatine, creatinine, cholesterol, triglycerides, exercise, diet, analysis of variance, double-blind method, ergometry, body composition, weight lifting, adult, male
6 autores
- Jeff S. Volek🇺🇸Ball State University
- Noel D. Duncan
- SCOTT A. MAZZETTI
- Margot Putukian
- Ana L. Gómez
- William J. Kraemer
Resumen
El texto original del estudio, en el idioma en que se publicó.
In order to examine the effects of heavy resistance training and the influence of creatine supplementation on nonperformance measures of health status, 19 healthy resistance-trained men were matched and then randomly assigned in a double-blind fashion to either a creatine (n = 10) or placebo (n = 9) group. Periodized heavy resistance training was performed 3-4 times per week for 12 weeks. During the first week of training, creatine subjects consumed 25 g creatine monohydrate per day, while the placebo group ingested an equal number of placebo capsules. Five grams of supplement per day was consumed for the remainder of the study. Body composition, fasting serum creatinine, lipoproteins and triglycerides, and reported changes in body function were determined prior to and after 12 weeks of training and supplementation. After training, significant increases in body mass and fat-free mass were greater in creatine (5.2 and 4.3 kg, respectively) than placebo (3.0 and 2.1 kg, respectively) subjects. There was no change in percent body fat. Dietary energy and macronutrient distribution was not significantly different during Weeks 1 and 12. Serum creatinine was significantly elevated in creatine subjects after 1 (11.6%) and 12 weeks (13.8%); however, values were within normal limits for healthy men. There were no effects of training or supplementation on serum total cholesterol, HDL-cholesterol, LDL-cholesterol, or triglycerides. In healthy men, a 12-week heavy resistance training program, with or without creatine supplementation, did not significantly influence serum lipid profiles, subjective reports of body functioning, or serum creatinine concentrations.
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