Rating of perceived exertion
RPE
There was no significant treatment * time interaction for RPE during the repeated sprint test (RPE (au.) after each of the 8 × 25 m repeated sprints and post-Yo-Yo IR2.Values are presented as mean ± SD. RPE values were measured using the 6–20 Borg scale. SB-ORAL = oral sodium bicarbonate, SB-LOTION = topical sodium bicarbonate, PLA = placebo; 