Creatine supplementation prevents acute strength loss induced by concurrent exercise
de Salles Painelli V, Alves VT, Ugrinowitsch C, Benatti FB, Artioli GG, Lancha AH, Gualano B, Roschel H
European journal of applied physiology · 15 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
- Fundação de Amparo à Pesquisa do Estado de São Paulo
- Gobierno
- Conselho Nacional de Desenvolvimento Científico e Tecnológico
Según 2 financiadores declarados.
Publicación
- Publicado
- 2014-05-19 · Eur J Appl Physiol · vol. 114 · número 8 · págs. 1749–1755
- Editorial
- Springer Science+Business Media
- Citado
- 40 citas · más que el 82% de estudios similares · 1.7× el promedio de su campo
- Referencias
- 34 trabajos
- Acceso
- De pago
- Áreas de investigación
- Muscle metabolism and nutrition · Sports Performance and Training · Cardiovascular and exercise physiology
- Palabras clave
- creatine supplementation, concurrent exercise, strength endurance, one-repetition maximum, leg press, bench press
- MeSH
- humans, creatine, exercise, anaerobic threshold, exercise tolerance, dietary supplements, adult, male
8 autores
- Vítor de Salles Painelli🇧🇷Universidade de São Paulo
- Victor Tavares Alves🇧🇷Universidade de São Paulo
- Carlos Ugrinowitsch🇧🇷Universidade de São Paulo
- Fabiana Braga Benatti🇧🇷Universidade de São Paulo
- Guilherme Giannini Artioli🇧🇷Universidade de São Paulo
- Antônio Herbert Lancha🇧🇷Universidade de São Paulo
- Bruno Gualano🇧🇷Universidade de São Paulo
- Hamilton Roschel🇧🇷 · autor de correspondenciaUniversidade de São Paulo
Resumen
El texto original del estudio, en el idioma en que se publicó.
Purpose
To investigate the effect of creatine (CR) supplementation on the acute interference induced by aerobic exercise on subsequent maximum dynamic strength (1RM) and strength endurance (SE, total number of repetitions) performance.
Methods
Thirty-two recreationally strength-trained men were submitted to a graded exercise test to determine maximal oxygen consumption (VO2max: 41.56 ± 5.24 ml kg(-1) min(-1)), anaerobic threshold velocity (ATv: 8.3 ± 1.18 km h(-1)), and baseline performance (control) on the 1RM and SE (4 × 80 % 1RM to failure) tests. After the control tests, participants were randomly assigned to either a CR (20 g day(-1) for 7 days followed by 5 g day(-1) throughout the study) or a placebo (PL-dextrose) group, and then completed 4 experimental sessions, consisting of a 5-km run on a treadmill either continuously (90 % ATv) or intermittently (1:1 min at vVO2max) followed by either a leg- or bench-press SE/1RM test.
Results
CR was able to maintain the leg-press SE performance after the intermittent aerobic exercise when compared with C (p > 0.05). On the other hand, the PL group showed a significant decrease in leg-press SE (p ≤ 0.05). CR supplementation significantly increased bench-press SE after both aerobic exercise modes, while the bench-press SE was not affected by either mode of aerobic exercise in the PL group. Although small increases in 1RM were observed after either continuous (bench press and leg press) or intermittent (bench press) aerobic exercise in the CR group, they were within the range of variability of the measurement. The PL group only maintained their 1RM.
Conclusions
In conclusion, the acute interference effect on strength performance observed in concurrent exercise may be counteracted by CR supplementation.
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