Skip to content

Temporalis Muscle: Origin, Insertion, Action, Innervation

Temporalis Referred Pain Pattern

The Temporalis Muscle

Origin:  Temporal fossa and temporal fascia. The fibers blend together to pass between the zygomatic arch and the side of the skull
Insertion:  The upper, anterior border and inner surface of the coronoid process and the ramus of the mandible
Actions:  Closing of the mouth
Innervation:  Branches of the mandibular portion of the trigeminal nerve
Blood Supply: Branches from the maxillary artery

Primary Actions of the Temporalis Muscle

1. Anterior fibres: Elevates mandible
2. Posterior part: Retracts mandible

Advertisement