temporalis

Origin

temporal fossa

Insertion

• coronoid process of mandible
• anterior border of ramus of mandible

Action

• elevates mandible (closes jaw)
• its posterior fibers are the primary retractors of the protruded mandible

Innervation

• deep temporal branches of the mandibular division of the trigeminal nerve (CN V)

More general terms

• skeletal muscle (voluntary muscle)