NCIt definition : A striated muscle located on the anterior surface of the pelvis, with its origin on
the obturator foramen and obturatory membrane and insertion on the trochanteric fossa
of the femur, which functions to laterally rotate the femur.;
Alternative definition : CDISC: A muscle of the pelvis that originates on the obturator foramen and obturatory
membrane and inserts on the trochanteric fossa of the femur.;