Most importantly, see your doctor for medical advice before starting any program with diastasis recti or if you have any pain while doing workouts. If you have been cleared for exercise, read on!
Until you have regained strength post-pregnancy or post-injury, here are suggested modifications for doing the moves in the 21 Day Fix safely.
Total body cardio
Upper Fix
Pilates Part 1
Pilates Part 2
Leg Day
No modification needed