Quick Facts
Quick Facts: Origin: Lateral tragus.
Insertion: Apex of tragus.
Action: Typically, no movement in humans.
Innervation: Temporal branches of facial nerve (CN VII).
Arterial Supply: Posterior auricular and superficial temporal arteries.
Origin
The tragicus muscle attaches to the lateral portion of the tragus on the lateral surface of the auricle.
Insertion
The tragicus muscle runs vertically for a short distance and inserts into the apex of the tragus on the lateral surface of the auricle.
