Effect of caffeine intake on pain perception during high-intensity exercise
Astorino TA, Terzi MN, Roberson DW, Burnett TR
International journal of sport nutrition and exercise metabolism · 39 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
- 2011-02-01 · Int J Sport Nutr Exerc Metab · vol. 21 · número 1 · págs. 27–32
- Editorial
- Human Kinetics
- Citado
- 71 citas · más que el 94% de estudios similares · 4.2× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 18 trabajos
- Acceso
- De pago
- Áreas de investigación
- Coffee research and impacts · Exercise and Physiological Responses · Sports Performance and Training
- Palabras clave
- caffeine, pain perception, high-intensity exercise, rating of perceived exertion, knee flexion and extension, muscle function, dose-response relationship
- MeSH
- leg, muscles, humans, caffeine, central nervous system stimulants, pain measurement, exercise, cross-over studies, adult, male, physical exertion, young adult, pain perception
4 autores
- Todd Anthony Astorino🇺🇸California State University, San Marcos
- Michael N. Terzi
- Daniel W. Roberson
- Timothy R. Burnett
Resumen
El texto original del estudio, en el idioma en que se publicó.
Caffeine has been shown to reduce leg-muscle pain during submaximal cycle ergometry, as well as in response to eccentric exercise. However, less is known about its analgesic properties during non-steady-state, high-intensity exercise. The primary aim of this study was to examine the effect of 2 doses of caffeine on leg pain and rating of perceived exertion (RPE) during repeated bouts of high-intensity exercise. Fifteen active men (age 26.4 ± 3.9 yr) completed 2 bouts of 40 repetitions of "all-out" knee extension and flexion of the dominant leg at a contraction velocity equal to 180°/s. Before each trial, subjects abstained from caffeine intake and intense exercise for 48 hr. Over 3 days separated by 48 hr, subjects ingested 1 of 3 treatments (5 mg/kg or 2 mg/kg of anhydrous caffeine or placebo) in a randomized, single-blind, counterbalanced, crossover design. Leg-muscle pain and RPE were assessed during and after exercise using established categorical scales. Across all treatments, pain perception was significantly increased (p .05) of caffeine on pain perception or RPE. Various measures of muscle function were improved (p < .05) with a 5-mg/kg caffeine dose vs. the other treatments. In the 5-mg/kg trial, it is plausible that subjects were able to perform better with similar levels of pain perception and exertion.
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