Figure 4

3-km running duration (A), blood lactate concentration at the end of the test ([La], B) and average heart rate (HR, C) before (Pre) and after (Post) respiratory muscle endurance training (RMET), inspiratory muscle resistive training (IMT) or SHAM training, given for individual participants (open circles) and as a group mean (closed circles). *main effect of training (pre vs. post) at p = 0.026.