subclavius (muscle)


sub·cla·vi·us (mus·cle)

[TA] thoracoappendicular muscle; origin, first costal cartilage; insertion, inferior surface of acromial end of clavicle; action, fixes clavicle or elevates first rib; nerve supply, subclavian from brachial plexus. Synonym(s): musculus subclavius [TA], subclavian muscle