Kneeling Stay-Forward Ab Wheel Rollout

Lying Straight Leg Reverse Crunch

Star Plank

Straight Legs Sit-Up Toe Tap

Lying Alternating Knee Tuck

Bent-Knee Hip Raise

Lying Rectus Abdominis Activation Crunch

Lying Bent-Leg Tuck

Lying 90-Degrees Leg Tap Crunch

Sitting In-Out Leg Raise on a Padded Stool