Muscular System Flashcards
1
Q
Rectus abdominis
A
Originates on pubis and inserts superiorly on the lower ribs and xiphoid process
Flexes vertebral column and compresses abdomen
2
Q
External oblique
A
Originates laterally on lower ribs and inserts medially on iliac crest and linea alba
If one side contracts, trunk rotates. If both sides contract, flexion of vertebral column and compression of abdomen