External Rotators of the Hip

- Anatomy:
    - external rotators of thigh include (from superior to inferior)
            - Piriformis

            - Gemellus Superior
            - Obturator Internus
            - Gemellus Inferior

            - Obturator Externus
            - Quadratus Femoris

            - Gluteus Maximus
    - the external rotators arise from pelvic surface of sacrum & from hip bone & insert
            on or about greater trochanter (w/ the exception of the maximus);
    - the superior and inferior gemelli join together along with the obturator internus
            to form the conjoined tendon;

- Management of External Rotators in THR: