Medword.com





Human Anatomy: Muscle Groups


Human Anatomy



<> Return To Muscle Groups Menu <>

Muscle Function & Other Pertinent Medical Information
- INTERNAL ABDOMINAL OBLIQUE -
ORIGIN: Lumbar fascia, anterior two thirds of iliac crest and lateral two thirds of inguinal ligament
INSERTION: Costal margin, aponeurosis of rectus sheath (anterior and posterior ), conjoint tendon to pubic crest and pectineal line
ACTION: Supports abdominal wall, assists forced respiration, assists raising intra-abdominal pressure and, with muscles of other side , abducts and rotates trunk. Conjoint tendon supports posterior wall of inguinal canal
NERVE: Anterior primary rami (T7-12) (conjoint tendon ilioinguinal nerve (L1))













[Home]   [About]   [Contact Us]   [Privacy]   [Site Terms]   
[Norton Safe Site]
Comodo Trusted Site Seal
SSL Certificate