Fig. 4

Training load of bicycle training at the first and last session of the three rehabilitation phases. (A) External workload, heart rate, and workload to heart rate ratio; (B) Rate of perceived exertion. Differences paired samples t-tests: *first vs. last session in a rehabilitation phase; #first session of PRE phase vs. last session of POST-out phase; +last session of PRE phase vs. last session of POST-out phase. ^a days (Median (IQR)) relative to the surgery