Table I. —Training progression for PR.

Exercises	Level 1	Level 2	Level 3
Breathing and Stretching exercise (warm-up)	6 times/set, 5 sets/day (breathing exercise) 10 secs/time, 5 times/muscle group (8 muscle groups stretching exercise)
Strengthening exercise (6 muscle groups, resistance by elastic band)	10 reps/set, 2 sets/muscle group	10 reps/set, 3 sets/muscle group (adjusted resistance)	12 reps/set, 3 sets/muscle group (adjusted resistance)
Endurance exercise (walking)	Intensity; Borg Scale 3-4 Duration; 15-min (or as tolerated)	Intensity; Borg Scale 4-5 Duration; 20-min (or as tolerated)	Intensity; Borg Scale 5-6 Duration; 25-min (or as tolerated)
Stretching exercise (cool-down)	10 secs/time, 5 times/muscle group (8 muscle groups stretching exercise)
Self-management	on the first visit

min: minute; reps: repetitions; secs: seconds.