Creatine supplementation can improve impact control in high-intensity interval training
da Silva Azevedo AP, Michelone Acquesta F, Lancha AH, Bertuzzi R, Poortmans JR, Amadio AC, Cerca Serrão J
Nutrition (Burbank, Los Angeles County, Calif.) · 8 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
- 2018-10-09 · Nutrition · vol. 61 · págs. 99–104
- Editorial
- Elsevier BV
- Citado
- 14 citas · más que el 57% de estudios similares · 0.4× el promedio de su campo
- Referencias
- 45 trabajos
- Acceso
- Acceso abierto (revista híbrida) · CC-BY-NC-ND
- Áreas de investigación
- Muscle metabolism and nutrition · Sports Performance and Training · Lower Extremity Biomechanics and Pathologies
- Palabras clave
- creatine supplementation, high-intensity interval training, impact control, shock absorption, ground reaction force, vertical ground reaction force, muscle activation, electromyography, soccer players, running, exercise safety
- MeSH
- humans, creatine, lactic acid, cross-over studies, single-blind method, heart rate, soccer, dietary supplements, adolescent, male, physical exertion, young adult, biomechanical phenomena, high-intensity interval training
7 autores
- Ana Paula da Silva Azevedo🇧🇷 · autor de correspondenciaUniversidade de São Paulo
- Fernanda Michelone Acquesta🇧🇷Universidade de São Paulo
- Antônio Herbert Lancha🇧🇷Universidade de São Paulo
- Rômulo Bertuzzi🇧🇷Universidade de São Paulo
- JACQUES R. POORTMANS🇧🇪Université Libre de Bruxelles
- Alberto Carlos Amadio🇧🇷Universidade de São Paulo
- Júlio Cerca Serrão🇧🇷Universidade de São Paulo
Resumen
El texto original del estudio, en el idioma en que se publicó.
Objectives
This study aimed to investigate the effects of creatine (Cr) supplementation on biomechanical parameters related to shock attenuation during a session of high-intensity interval training (HIIT).
Methods
A single-blinded, placebo-controlled, crossover design was adopted to test eight male elite soccer players during HIIT sessions under two conditions: after placebo supplementation and after Cr supplementation. HIIT test sessions consisted of an intermittent test (five bouts of running) with a constant load applied until exhaustion was reached. The vertical component of ground reaction force and electromyography data were recorded by Gaitway and Lynx-EMG Systems, respectively. Heart rate, rated perceived exertion (Borg's Scale) and lactate concentration information were also obtained.
Results
Cr supplementation did not affect heart rate, rated perceived exertion, and lactate concentration. Decreased values of magnitude of the first peak of the vertical component of ground reaction force (17.2-24.2%) and impulse of the first 50 ms (Imp50; 34.3%) were observed for Cr, but higher values of time to reach the first peak were detected for Cr compared with placebo. Significant modifications in muscle activation were also observed, mainly in the pre-activation phase, and changes were observed in intermediary bouts.
Conclusions
Cr supplementation has the potential to influence biomechanical parameters related to impact control during a single session of HIIT based on running. In particular, the findings of the current study indicate possible improvements in shock attenuation and a safer practice of HIIT under Cr supplementation.
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