The aim of this study was to test the effects of 2 different velocity-oriented power training regimens by either increasing or decreasing the jump squat velocity during jump training sessions applied 3 times a week for 6 weeks in soccer players. Twenty-four elite under-20 soccer players were randomly assigned to an increased bar velocity group (IVG) or a… (More)
OBJECTIVES The aim of this study was to evaluate the effect of caffeine ingestion on performance and estimated energy system contribution during simulated taekwondo combat and on post-exercise parasympathetic reactivation. METHODS Ten taekwondo athletes completed two experimental sessions separated by at least 48 hours. Athletes consumed a capsule… (More)
[This corrects the article DOI: 10.1371/journal.pone.0142078.].