Figure 1. Sprinting time of each repetition during the repeated sprint ability test for the RSH (a) and the RSN (b) group and fatigue slope (c) (i.e. slope of the linear regression equation calculated over the 6 repetitions) before and after the training period.RSH, repeated sprint training in hypoxia; RSN, repeated sprint training in normoxia (Millet et al., 2013)