Year of Publication

2013

Date of Thesis

08-2013

Document Type

Thesis

Degree Name

Master of Science

Department

Exercise and Sport Sciences

Subject Categories

Antioxidant effect; Athletic performance

Abstract

The effects of flavanoid-containing sport drinks on athletic performance, as reported in previous research, are equivocal. In short, these studies have not modeled the direct and indirect effects of flavanoid-containing drinks on specific athletic performance; thus they have not explored their effects on improving and maintaining specific athletic performance. The purpose of this study was to explore the effects of a flavanoid (i.e., quercetin) containing sport drink on rowing performance during the off-season. This study had two parts. Part one measured the chronic effects of FRS (free radical scavenger) on rowing performance, whereas part two measured the acute effects. Fifty male and female collegiate rowers between the ages of 18 to 25 years were recruited and pair-matched on 2000 m rowing and then placed into either a supplement or placebo group for the first part of the study. Baseline data included 500 m and 2000 m rowing ergometer tests, 1RM bench press test, and vertical jump test. Subjects consumed a supplement or placebo drink twice a day for three weeks. After three weeks, subjects again reported to the lab for measurement of the aforementioned tests. In the second part of the study, subjects of the placebo group were pair-matched on 2000 m rowing ergometer performance and placed into the supplement or placebo group. This time, the supplement or placebo was given twice in the 150 min before testing 500m and 2000m rowing performances. Data were analyzed using 2x2 repeated measures ANOVA. Results from this study do not show any evidence for improvement in performances with the quercetin supplement. It can be concluded that acute and/or chronic supplementation with FRS does not have any effects on performance in rowers as tested.

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