Beginner (3 sets)
Intermediate (4 sets)
Advanced (5 sets)
Rest up to 2 minutes.
Slow climbers (10 reps)
plank arm raises(10 reps)
push-ups (5 reps)
plank leg raises (10 reps)
plank with rotations (10 reps)
plank walk-outs (5 reps)
up and down planks (5 reps)