Figure 1
Yo-Yo Intermittent Recovery level 2 test (Yo-Yo IR2) performance in control (CON) and placebo (PLA) trials (A) and individual Yo-Yo IR2 performance during PLA and after caffeine (CAF) and sodium bicarbonate (NaHCO 3 ) supplementation (B) (n = 12). §: Denotes a significant difference from CON. *Denotes a significant difference from PLA. # Denotes a significant difference from CAF. Significance level P < 0.05.