Subclavian muscle

Synonyms

Latin: subclavius ​​muscle
English: subclavius ​​muscle

definition

The subclavian muscle is a short, narrow muscle that belongs to the deeper shoulder and chest muscles. It is supplied with blood via the internal thoracic artery.

First and foremost, it stabilizes the collarbone. In addition, it protects neighboring structures, namely the arteria and subclavian veins and the brachial plexus, by cushioning them from the bone.

course

Approach: Underside of the collarbone

Origin: first rib and first costal cartilage

Innervation: Subclavian nerve (C5, C6)

function

The subclavian muscle stabilizes this Collarbone and cushions adjacent arteries and veins, as well as nerve cords, against it. When tense, he pulls the collarbone down.