Quick Facts
Origin: Mastoid process.
Insertion: Lower cranial surface of auricle.
Action: Elevates and retracts auricle.
Innervation: Posterior auricular nerve and temporal branches of facial nerve (CN VII).
Arterial Supply: Posterior auricular artery and parietal branch of superficial temporal artery.
Related parts of the anatomy
Origin
The auricularis posterior muscle arises the base of the mastoid process of the temporal bone.
Insertion
The auricularis posterior fibers insert into cranial surface of the ear at the eminentia conchae (or conchal eminence).
Actions
The auricularis posterior muscle elevates and retracts the auricle (Netter, 2011).
References
Netter, F. H. (2011) Atlas of Human Anatomy. Netter Basic Science Series: Saunders/Elsevier.
