Internal Oblique Anatomy: Origin, Insertion & Action

⭐ Internal Oblique Muscle Anatomy ⭐
💪Origin: Thoracolumbar fascia, iliac crest and the inguinal ligament
💪Insertion: Inferior margins of tenth to twelfth ribs and adjacent costal cartilages, linea alba and the pectineal line
💪Action: Lateral flexion of the torso (unilateral contraction), rotation of the torso (unilateral contraction) and flexion of the torso (bilateral contraction)
💪Nerve: Anterior rami of intercostal nerves (T7-T11), subcostal nerve (T12), iliohypogastric nerve (L1) and the ilioinguinal nerve (L1)
💪Artery: Lower posterior intercostal arteries and subcostal arteries, superior and inferior epigastric arteries, superficial and deep circumflex arteries, and the posterior lumbar arteries

My other abdominal muscle videos:
External oblique:    • External Oblique Anatomy: Origin Inse...  
Rectus abdominis:    • Rectus Abdominis Anatomy: Origin, Ins...  
Transversus abdominis:    • Transversus Abdominis Anatomy: Origin...  

Chapters:
0:00 - Intro
0:12 - Location & overview of the internal oblique muscle
1:29 - Origin of the internal oblique muscle
2:58 - Insertion of the internal oblique muscle
4:38 - Actions of internal oblique muscle
5:48 - Outro

⭐ Want to learn more about the internal oblique? Then check out the full article on the Bodyworks Prime website: https://bodyworksprime.com/internal-o...

⭐If you would like some help memorising the internal oblique muscle's information then be sure to check out the free internal oblique flashcards: https://bodyworksprime.com/internal-o...

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