These five moves will hit all your ab muscles. Do the circuit 3x, with 30 seconds of rest in between.
1. Use band during body rotations, 15 reps.
2. Pilates leg raises, 15 reps.
3. Bicycle crunches w/ band on feet, 12 reps.
4. Seated Roman twists, 10 reps.
5. Plank knee pulls, 12 reps.