Activity Duration Intensity Total session 44 (5) 24 (5) Lower limb activities 25 (5) 25 (5) Standing 5 (4) 20 (3) Stepping 5 (3) 19 (4) Basic walking 6 (3) 26 (4) Advanced walking 9 (5) 32 (2) Upper limb activities 12 (5) 20 (4) Inactive 7 (2) 24 (5)

Table 2: Mean (SD) duration (minutes) and intensity (% Heart rate reserve) of the activities averaged across the two sessions (n=40 sessions). SD=standard deviation; %HRR=percentage heart rate reserve.