Repeated sprint best time and fatigue index. Average (éSD) best performance for the 3 x 8.23ém repeated sprints in the 3 conditions (CON, PLA and SPD) (Panel A). Mean (éSD) fatigue index in the 3 conditions (Panel B). Fatigue index was calculated by the percent decrease in time between the fastest and the slowest sprints. Inter-group analysis was carried out using the Kruskal-Wallis one-way analysis; no statistically difference was found.