V-Sit Cross Punch

Russian Twist with Hands on Chest

Alternate Oblique Crunch

Seated Twist (Straight-Arm)

Dumbbell Straight-Arm Twisting Sit-Up

90 Degree Heel Touch

Side Plank Elbow-to-Knee Crunch

Oblique V-Up on Floor

Elbow-to-Knee Sit-Up

Dumbbell Russian Twist