Fig. 3

Schematic models of the stepwise dissections of the hip rotator muscles and ischiofemoral ligament in the posterior hip approach and reverse order. A The cutting order of the right hip via the posterior approach, indicated by the arrow. B The cutting order of the left hip in the opposite order from the right hip, indicated by the arrow. c The cutting order of the ischiofemoral ligament, indicated by the dotted arrow. A, piriformis; B, superior gemellus; C, obturator internus; D, inferior gemellus; E, obturator externus