EXTERNAL OBLIQUE

External Oblique muscle

Origin of External Oblique

Ribs 5-12.

Insertion of External Oblique

Iliac crest, Pubic tubercle, Linea alba.

Muscle Action/Function of External Oblique

Contralateral rotation of torso.

Arterial (Blood) Supply of External Oblique

Numerous arteries supply and anastomose within this extensive muscle sheet including the superior and inferior epigastric arteries, posterior intercostal arteries from the three lowest intercostal spaces, the subcostal artery, the musculophrenic artery, superficial epigastric artery, superficial circumflex iliac artery, ascending branch of the deep circumflex iliac artery, lumbar arteries.

External Oblique Video

External Obliques

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