Lie on your back with your head resting on a pillow.
Bring your legs up to a table-top position, with your hips and knees at 90 degrees.
Rest your lower legs on a stool or chair.
Place your hands on your thighs and and tuck your chin to your chest.
Using your abdominal muscles, curl your upper body off the floor.
Control the movement back down, keeping your chin tucked in.
Repeat this movement.
