The Effect of Acute Caffeine Ingestion on Endurance Performance: A Systematic Review and Meta-Analysis
Southward K, Rutherfurd-Markwick KJ, Ali A
Sports medicine (Auckland, N.Z.) · 157 citas
Etiquetas de revisión
Financiación no declaradaDatos neutrales que nuestra revisión registró sobre cómo se hizo este estudio. Describen el método, nunca si nos gusta el resultado.
Cómo se estudió
- Diseño
- Metaanálisis (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2018-06-06 · Sports Med · vol. 48 · número 8 · págs. 1913–1928
- Editorial
- Springer Science+Business Media
- Citado
- 254 citas · más que el 95% de estudios similares · 3.5× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 94 trabajos
- Acceso
- De pago
- Áreas de investigación
- Coffee research and impacts · Sports Performance and Training · Thermoregulation and physiological responses
- Palabras clave
- caffeine, ergogenic aids, endurance performance, time trial performance, acute caffeine ingestion, average output power, caffeine dose
- MeSH
- humans, caffeine, central nervous system stimulants, exercise, physical endurance, sports, coffee, athletic performance, performance-enhancing substances
3 autores
- Kyle Southward🇳🇿Massey University
- Kay Janice Rutherfurd-Markwick🇳🇿Massey University
- Ajmol Ali🇳🇿 · autor de correspondenciaMassey University
Resumen
El texto original del estudio, en el idioma en que se publicó.
Background
Caffeine is a widely used ergogenic aid with most research suggesting it confers the greatest effects during endurance activities. Despite the growing body of literature around the use of caffeine as an ergogenic aid, there are few recent meta-analyses that quantitatively assess the effect of caffeine on endurance exercise.
Objectives
To summarise studies that have investigated the ergogenic effects of caffeine on endurance time-trial performance and to quantitatively analyse the results of these studies to gain a better understanding of the magnitude of the ergogenic effect of caffeine on endurance time-trial performance.
Methods
A systematic review was carried out on randomised placebo-controlled studies investigating the effects of caffeine on endurance performance and a meta-analysis was conducted to determine the ergogenic effect of caffeine on endurance time-trial performance.
Results
Forty-six studies met the inclusion criteria and were included in the meta-analysis. Caffeine has a small but evident effect on endurance performance when taken in moderate doses (3-6 mg/kg) as well as an overall improvement following caffeine compared to placebo in mean power output (3.03 ± 3.07%; effect size = 0.23 ± 0.15) and time-trial completion time (2.22 ± 2.59%; effect size = 0.41 ± 0.2). However, differences in responses to caffeine ingestion have been shown, with two studies reporting slower time-trial performance, while five studies reported lower mean power output during the time-trial.
Conclusion
Caffeine can be used effectively as an ergogenic aid when taken in moderate doses, such as during sports when a small increase in endurance performance can lead to significant differences in placements as athletes are often separated by small margins.
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