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The Efficacy Of Caffeine Supplementation In Collegiate Tennis Players And The Magnitude Of Improvement In Tennis Skill Mediated By Caffeine Influenced By A Polymorphism Of The Cyp1a2 Gene, Courtney Klein
Masters Theses, 2010-2019
Purpose: This study examined the efficacy of caffeine supplementation on tennis performance in male and female collegiate tennis players and whether a polymorphism of the CYP1A2 gene influenced the ergogenic response to caffeine. Methods: Eighteen collegiate tennis players (9 male; 9 female) completed two separate trials. Each test occurred one hour after the administration of either 6 mg/kg of caffeine or a placebo, administered in double-blind fashion. The treadmill portion was comprised of 15 minutes at a velocity corresponding with 50% VO2max followed by 30 minutes of intermittent sprints (5 seconds at 80% VO2max, 15 seconds at 50% VO2max). 90 …