1. Modified hollow body-4 sets x 12 reps. To modify further, bend legs, with soles on the ground. Further modification, place hands by ears
2. Oblique reverse straight leg crunches - 3 sets x 8 reps each side. To modify place head on the ground. Lifting legs higher makes it easier.
3. Long lever plank to forearm plank - 4 sets x 10 reps each move. To modify stay on forearm plank and tap each hand forward without going into long lever plank
4. Side plank w leg raise - 4 sets x 10 each side. To modify, eliminate leg raise. Further modification, bend bottom leg at the knee, placing foot behind you and rest knee/shin/ foot on the ground
