1.Lying hip lifts with bent knees
2.Crunch
3.The dead bug
4.Vertical leg Crunch
5. v-up
6.Crunch-Floor
7.Decline sit up
8.Kneeling cable crunch
9.Crunch leg raise
10.Alternate Lying Floor Leg Raise
11.Front plank
12.Side Plank
13.Crunches With Legs Up
