Origin
1st rib
Insertion
Clavicle
Blood supply
Thoracoacromial artery, suprascapular artery.
Nerve supply
Nerve to subclavius.
Action
The muscle is responsible for depression of the shoulder and elevation of the 1st rib.
Disease/Injury
NA
Muscle exercise
NA
Interesting facts
The subclavius muscle connects the clavicle and the 1st rib.
