Effects of oral creatine loading on single and repeated maximal short sprints
Dawson B, Cutler M, Moody A, Lawrence S, Goodman C, Randall N
Australian journal of science and medicine in sport · 45 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
- 1995-09-01 · Aust J Sci Med Sport · vol. 27 · número 3 · págs. 56–61
- Editorial
- The University of Western Australia
- Citado
- 109 citas · más que el 78% de estudios similares · 1.3× 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, repeated sprint performance, peak power, work output, blood lactate, blood pH, exercise performance enhancement
- MeSH
- muscle, skeletal, humans, creatine, lactates, phosphocreatine, placebos, administration, oral, analysis of variance, double-blind method, ergometry, psychomotor performance, hydrogen-ion concentration, bicycling, work, adult, male
6 autores
- B. Dawson🇦🇺The University of Western Australia
- M Cutler
- A Moody
- Steven R. Lawrence
- Carmél Goodman
- N. Randall
Resumen
El texto original del estudio, en el idioma en que se publicó.
This investigation determined whether oral creatine (Cr) loading could enhance single and repeated short sprint performance. A 1 x 10 s cycle sprint (Study One) and 6 x 6 s (departing every 30 s) repeated cycle sprints (Study two) were the performance tests used. Separate groups of subjects, randomly assigned to either a Cr or placebo (P) group, were used in each study in a double blind design. After performing a familiarization and two baseline tests subjects loaded with 5g of Cr or P four times per day for five days before repeating the tests one and three days post-loading. In Study One (n = 9 in each group), work completed (kJ) at 2, 4, 6, 8 and 10 s and peak power (W) were greater than baseline values in each of the post-loading trials in both the Cr and P groups. There were no between group performance differences. In Study Two (n = 11 in each group) after loading, the Cr group recorded significantly greater scores than the P group in total work (kJ) completed over the 6 sprints, work completed in sprint 1, and peak power (W). Post-exercise blood lactate and pH responses were not different between the Cr and P groups after loading in either study. Although Study One results are equivocal, Study Two results suggest that Cr supplementation can enhance both single (if sprint 1 results are considered in isolation) and repeated short sprint performance.
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