How NOT to fix a Diastasis (and what will work) from inspiredrd.com
Do this routine before every shower: 50 jumping jacks, 5 pushups, 20 crunches, 20 mountain climbers, and 30 second plank. I like the idea of doing it before every shower, then it is easier to become part of a routine
Windshield Wipers: From Wall Bridge starting position, extend legs straight up against wall so body forms an L. Inhale and slowly lower left leg down wall like a clock arm toward 9 o'clock; exhale and return to start. Repeat with right leg, sweeping toward 3 o'clock. Do 2 sets of 10 slow reps.