Ch.4 cont.

Sandwhiched between the shoulder muscles  and the erector spinae group, and only affect movement of the ribs

Belly of the superior is partially deep to the ___ and has fibers that parallel the superficial ______

Inferior is deep to the __________, during exhalaiton can ____ the ribs against the pull of the diaphragm

Serratus Posterior superior Action

Serratus Posterior superior Origin

Serratus Posterior superior insertion

Serratus Posterior Inferior Action

Serratus Posterior Inferior Origin

Serratus Posterior Inferior Insertion