Abdominal Internal Oblique

Abdominal Internal Oblique

☆

obliquus internus abdominis

MusclePro

Anatomy

Origin
Cartilage of bottom three or four ribs, abdominal aponeurosis (rectus sheath) to linea alba
Insertion
Lateral half of inguinal ligament, iliac crest, thoracolumbar fascia
Nerve

Eighth to twelfth intercostal, iliohypogastric, ilioinguinal nerves

Actions

Compresses abdominal contents, laterally flexes and rotates vertebral column

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The full entry includes: 3 images · 2 muscle tests · 9 balancing items · 24 connections.

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Knowlative · entry no. 550