1. Sit on a workout surface, mat, chair, or bench so that your hands are placed slightly behind you on the floor, and your legs are bent at the knee with your feet elevated from the floor
2. Bend your elbows slightly, allowing your torso to lean back a little as you extend your feet outwards and away from you
3. Contract your abdominal muscles, exhale, and bring your knees in towards your chest as you bring your torso slightly more upright
The primary muscles used in Leg Pull Ins are the Abs.