The effect of 10 days of intermittent fasting on Wingate anaerobic power and prolonged high-intensity time-to-exhaustion cycling performance

European Journal of Sport Science
Mohamed Nashrudin Bin Naharudin, Ashril Yusof

Abstract

Many physically active individuals have undertaken intermittent fasting to reduce their daily caloric intake. However, abstaining from meals for a specific length of time may lead to the acute disturbance of highly carbohydrate-dependent exercise performance. The purpose of this study was to observe the effect of 10 days of intermittent fasting on high-intensity type exercises, Wingate anaerobic (WT) and prolonged high-intensity time-to-exhaustion (HIT) cycling test. Twenty participants were randomised into an intermittent fasting (FAS) and a control group (CON). One day after baseline data collection on Day-0 where participants consumed their recommended daily caloric intake (FAS = 2500 ± 143 kcal day-1; CON = 2492 ± 20 kcal day-1) served over a course of five meals, the FAS group consumed only four meals where 40% was restricted by the omission of lunch (FAS = 1500 ± 55 kcal day-1). This diet was then continued for 10 days. Data on exercise performance and other dependent variables were collected on Day-2, -4, -6, -8 and -10. A reduction in WT power in the FAS group was observed on Day-2 (821.74 ± 66.07 W) compared to Day-0 (847.63 ± 95.94 W) with a moderate effect size (p < .05, ES = 0.4), while HIT time-to-exhaustion perfor...Continue Reading

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Citations

Jul 10, 2019·Current Sports Medicine Reports·Emily Levy, Thomas Chu
Jul 25, 2021·International Journal of Environmental Research and Public Health·Joana M CorreiaGoncalo V Mendonca
Dec 7, 2021·International Journal of Sports Physiology and Performance·Mohamed Nashrudin NaharudinLewis J James

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Methods Mentioned

BETA
Assay

Software Mentioned

SPSS
Nutritionist Pro
Diet Analyses

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