Name
Pronunciation
(REK-tus ab-DOM-i-nus)
Origin/Proximal Attachment
Cartilage of ribs 5-7; xiphoid process
Insertion/Distal Attachment
Pubic crest between pubic tubercle & pubic symphysis
Action/Relevance
Flexes the trunkCompresses the abdomen
Innervation
Intercostal nerves (7th-12th)