Fig. 2From: Dose-dependent effect of caffeine supplementation on judo-specific performance and training activity: a randomized placebo-controlled crossover trialTotal number of throws in SJFT (a) and heart rate right after (HRRA) and 1 min after (HR1minAF) the SJFT (b). abc - different letter inscriptions refer to statistical differences between CAF dosages; P < 0.05Back to article page