Sports Med (2018) 48:1913–1928 https://doi.org/10.1007/s40279-018-0939-8 SYSTEMATIC REVIEW The Effect of Acute Caffeine Ingestion on Endurance Performance: A Systematic Review and Meta–Analysis 1 2,3 1,3 • • Kyle Southward Kay J. Rutherfurd-Markwick Ajmol Ali Published online: 6 June 2018 Springer International Publishing AG, part of Springer Nature 2018 Abstract 0.15) and time-trial completion time (2.22 ± 2.59%; Background Caffeine is a widely used ergogenic aid with effect size = 0.41 ± 0.2). However, differences in most research suggesting it confers the greatest effects responses to caffeine ingestion have been shown, with two during endurance activities. Despite the growing body of studies reporting slower time-trial performance, while ﬁve literature around the use of caffeine as an ergogenic aid, studies reported lower mean power output during the time– there are few recent meta-analyses that quantitatively trial. assess the effect of caffeine on endurance exercise. Conclusion Caffeine can be used effectively as an ergo- Objectives To summarise studies that have investigated genic aid when taken in moderate doses, such as during the ergogenic effects of caffeine on endurance time-trial sports when a small increase in endurance performance can performance and to quantitatively analyse the results of lead to signiﬁcant differences in placements as
Sports Medicine – Springer Journals
Published: Jun 6, 2018
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