Moore posterior approach to hip joint. A, Skin incision. B, Gluteus maximus has been split in line with its fibers and retracted to expose sciatic nerve, greater trochanter, and short external rotator muscles. C, Short external rotator muscles have been freed from femur and retracted medially to expose joint capsule. D, Joint capsule has been opened, and hip joint has been dislocated by flexing, adducting, and internally rotating thigh. SEE TECHNIQUE 1.74.