Fig. 2

shows the 1-minute evaluations of the HRV metrics for the rest periods (T1, T4, T7), for the exercise periods (T2, T5), and for the immediate afterload periods (T3, T6).

shows the 1-minute evaluations of the HRV metrics for the rest periods (T1, T4, T7), for the exercise periods (T2, T5), and for the immediate afterload periods (T3, T6).