Obturator internus muscle: Origin, Insertion, Exercise
Obturator internus is a deep hip rotator muscle that arises from the medial surface of the ischium and inserts into the femur. It is used to abduct the hip and rotated the thigh laterally. It is innervated by the anterior division of the obturator nerve (L2, L3)a branch of sacral plexus. The obturator nerve also…