Feets of Clay

Serratus Anterior

Origin: ribs 1- 9
Insertion: anterior surface of scapula (connect to vertebral border of scapula when building)
Action: protracts scapula (which pushes arm forward in front of scapula as in punching or hugging)
Joint/s Moved: shoulder
Bone of Origin: ribs 1-9
Bone of Insertion: scapula
Link: Get Body Smart
Click on 14 & 13 on slide bar