Effects of sodium phosphate and caffeine loading on repeated-sprint ability

Christopher Buck, Kym Guelfi, Brian Dawson, Lars McNaughton, Karen Wallman

Research output: Contribution to journalArticle (journal)peer-review

13 Citations (Scopus)

Abstract

The effects of sodium phosphate and caffeine supplementation were assessed on repeated-sprint ability. Using a randomised, double-blind, Latin-square design, 12 female, team-sport players participated in four trials: (1) sodium phosphate and caffeine, (2) sodium phosphate and placebo (for caffeine), (3) caffeine and placebo (for sodium phosphate) and (4) placebo (for sodium phosphate and caffeine), with ~21 days separating each trial. After each trial, participants performed a simulated team-game circuit (4 × 15 min quarters) with 6 × 20-m repeated-sprints performed once before (Set 1), at half-time (Set 2), and after end (Set 3). Total sprint times were faster after sodium phosphate and caffeine supplementation compared with placebo (Set 1: P = 0.003; Set 2: d = -0.51; Set 3: P 
Original languageEnglish
Pages (from-to)1971-1979
Number of pages9
JournalJournal of Sports Sciences
Volume33
Issue number19
Early online date31 Mar 2015
DOIs
Publication statusPublished - 2015

Keywords

  • 20-metre sprints
  • Aerobic exercise
  • Anaerobic exercise
  • Ergogenic aids

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