Fig. 4

Total distance covered on the Yo-Yo intermittent recovery test level 2 (n = 17). Data are expressed in as mean ± SD. * Caffeine significantly higher than placebo (p = 0.010)
Total distance covered on the Yo-Yo intermittent recovery test level 2 (n = 17). Data are expressed in as mean ± SD. * Caffeine significantly higher than placebo (p = 0.010)