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| - EXTERNAL ABDOMINAL OBLIQUE
- | | ORIGIN: |
Anterior angles of lower eight ribs | | INSERTION: | Outer anterior half of iliac crest, inguinal lig, public tubercle and crest, and aponeurosis of anterior rectus sheath
| | ACTION: |
Supports abdominal wall, assists forced expiration, assists raising intraabdominal pressure and, with muscles of opposite side, abducts and rotates trunk
| | NERVE: |
Anterior primary rami (T7-12)
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