Origin
Superior auricular muscle – galea aponeurotica.
Anterior auricular muscle – galea aponeurotica.
Posterior auricular muscle – temporal bone.
Insertion
Superior auricular muscle – cranial surface of the auricular.
Anterior auricular muscle – in front of the ear.
Posterior auricular muscle – into the cranial surface of the concha.
Blood supply
Superficial temporal artery, posterior auricular artery.
Nerve supply
Facial nerve.
Action
All of these 3 muscles help to move the outer ear in various directions.
Interesting facts
These muscles can be used to consciously move the outer ears.
