ABGemellus superior Gemellus inferiorObturator internusQuadratus femorisGluteus mediusGluteus minimusGreater sciatic foramen abovepiriformisPiriformis muscleGreater sciatic foramen belowpiriformisContraction of gluteus minimus and mediuson stance side prevents excessive pelvic tiltduring swing phase on opposite side
Fig. 6.46 Gluteus maximus muscle. Posterior view.