The<unk>  originates on the medial surface of the<unk>  membrane, the ischium near the membrane, and the rim of the pubis.
It exits the pelvic cavity through the lesser sciatic foramen.
The<unk><unk>  is situated partly within the lesser pelvis, and partly at the back of the hip-joint.
Obturator internus muscle
Abdominal internal oblique muscle
Transversus abdominis muscle
Adductor magnus muscle
Pubococcygeus muscle
Rectus abdominis muscle
Superior oblique muscle
Levatores costarum muscles