Download or read book The Effects of Caffeine on Early Second Half Sprint Performance in NCAA DIII Women's Soccer Players written by David J. Granniss and published by . This book was released on 2011 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: EFFECTS OF CAFFEINE-The purpose of this study was to examine the effect caffeine on Running Based Anaerobic Sprint Test (RAST) power output in 21 NCAA DIII women's soccer players. In - randomized double blind repeated measures design, subjects began the protocol after ingestion of caplets containing 3 mgkg of caffeine and after ingestion of placebo caplets. Pre-game, warm-up, and first half conditions were replicated to maximize generalizability. An adapted version of the Loughborough Intermittent Shuttle Test was applied to mimic first half activity. Sprint performance was measured with the RAST. Mean power, maximum power, minimum power, and power decrement were assessed under each condition (Nicholas, Nuttall, & Williams, 2000) . A repeated measures MANOVA was computed to determine if there were significant differences among the dependent variables for each condition. Although mean, maximum, and minimum power in the CAF trial increased 3.2%, 3.4%, and 4% respectively, MANOVA results showed no statistically significant differences in the mean vector for power variables (A = .752, p > .05).