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Title: Effect of carbohydrate mouth-rinse on 10 km running time trial
Authors: Yap, Luke Keat Howe
Keywords: DRNTU::Science
Issue Date: 2017
Abstract: Background: Carbohydrate mouth-rinsing has been shown to improve exercise performance for high intensity short duration exercise. This has been attributed to the presence of carbohydrate in the oral cavity which increases neural activities in the brain’s motor control centers that may affect exercise performance. Recent studies on carbohydrate mouth-rinse reported exercise performance improvements on cycling time trials, however till date, few studies have been done on running time trials. Purpose: This study aims to determine the effect of carbohydrate mouth-rinse on 10 km running time-trial performance. Performance measures are time trial-timings, participants’ heart rate and rating of perceived exertion. Method: Using a randomized, double-blind, counterbalanced design, 10 recreationally active male participants were recruited to perform two 10 km running time-trials with a carbohydrate mouth-rinse intervention (water + 6.4% maltodextrin + 0.4% sucralose) and a placebo mouth-rinse control (water + 0.4% sucralose). Participants mouth-rinsed once before the start of each trial and at every km completed. Final timings of each trials were recorded. Heart rate and rating of perceived exertion were recorded every km completed. Results: No significant differences (P=0.333) were found between final timings of carbohydrate and placebo trials. Furthermore, no significant differences were found between heart rate (P=0.553) and rate of perceived exertion (P=0.856). Conclusion: Carbohydrate mouth-rinse may not improve exercise performance for 10 km running time-trial. Key words: carbohydrate mouth-rinse, mouth-rinse, carbohydrate, exercise performance
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:SSM Student Reports (FYP/IA/PA/PI)

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