Lying Alternate Butterfly Abduction

Instructions

1. Lie on your back with knees bent and the soles of your feet together in a butterfly position.
2. Let both knees fall open to the sides toward the floor.
3. Bring one knee back to center, then open it again, alternating the movement.
4. Keep your lower back flat against the floor throughout.
5. Repeat for the prescribed reps on each side.