The Influence of Drinking Fluid on Endurance Cycling Performance: A Meta-Analysis

Sports Medicine
Justin J HollandÉric D Goulet

Abstract

Fluid replacement during cycling exercise evolves on a spectrum from simply drinking to thirst to planned structured intake, with both being appropriate recommendations. However, with mixed findings suggesting fluid intake may or may not improve endurance cycling performance (ECP) in a diverse range of trained individuals, there is a clear need for summarised evidence regarding the effect of fluid consumption on ECP. (1) Determine the magnitude of the effect of drinking fluid on performance during cycling exercise tasks of various durations, compared with no drinking; (2) examine the relationship between rates of fluid intake and ECP; and (3) establish fluid intake recommendations based on the observations between rates of fluid intake and ECP. Meta-analysis. Studies were located via database searches and cross-referencing. Performance outcomes were converted to a similar metric to represent percentage change in power output. Fixed- and random-effects weighted mean effect summaries and meta-regression analyses were used to identify the impact of drinking fluid on ECP. A limited number of research manuscripts (n = 9) met the inclusion criteria, producing 15 effect estimates. Meta-regression analyses demonstrated that the impact ...Continue Reading

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Jan 1, 2020·International Journal of Sport Nutrition and Exercise Metabolism·Alan J McCubbinLouise M Burke
Feb 16, 2020·International Journal of Environmental Research and Public Health·Francesco CampaStefania Toselli
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