Abdominal Internal Oblique
Flexes trunk to same side, rotates trunk to opposite side, expiration, compresses abdominal organs. Located in the torso.
- Actions
- flexes trunk to same side, rotates trunk to opposite side, expiration, compresses abdominal organs
- Origin
- anterior two-thirds of iliac crest, iliopectineal arch, thoracolumbar fascia
- Insertion
- inferior borders of ribs 10–12, pubic crest
- Innervation
- intercostal nerves (T7-T11), subcostal nerve, iliohypogastric nerve, ilioinguinal nerve
- Blood supply
- lower posterior intercostal arteries, subcostal artery, superior epigastric artery, inferior epigastric artery, superficial circumflex iliac artery, deep circumflex iliac artery, posterior lumbar arteries