Lying Raised-Shoulders Windshield Wiper

Mountain Climber Over Bench

Seated In-Out Leg Raise Over Bench

Elbow-to-Knee Decline Side Plank

Seated Diagonal Knee Raise on Bench

Seated Legs Circle Over Bench

Seated Alternate In-Out Leg Raise Over Bench

Lying Raised Shoulders Windshield Wiper

Kneeling Stay-Forward Ab Wheel Rollout

Butterfly Twist