Obliquus abdominis externi

Group
Abdomen
Whole Sale Section
Rib, Flank, Loin
Origin
(1) The lateral surfaces of the ribs behindthe fourth rib and the fascia over theexternal intercostal muscles; (2) the lumbo-dorsal fascia.
Insertion
(1) The linea alba and prepubic tendon; (2) the shaft of the ilium; (3) the medial femoral fascia.
Action
Compress the abdomen, and to flex the trunk
Innervation
Intercostal and lumbar nerves.
Blood Supply
Intercostal and lumbar arteries.
Retail Cuts
Beef for Stewing, Ground Beef