Make sure to save these exercises:
1.Half Crunches- 2X30s.
2.Knee Tap Crunches-3X15s.
3.Bicycle Crunches-2X30s.
4.Leg Lifts-2X20s.
5.Russian Twists-2X30s.
https://youtube.com/shorts/exE5LIb4IqU?feature=share