Info

Muscle

Origin

Insertion

Action

Nerve Supply

Masseter Lower border of Lateral surface of mandible Elevates mandible Trigeminal n.

zygomatic arch

Temporalis Temporal bone Coronoid process and Elevates mandible Trigeminal n.

anterior ramus of mandible

Masseter Lower border of Lateral surface of mandible Elevates mandible Trigeminal n.

zygomatic arch

Temporalis Temporal bone Coronoid process and Elevates mandible Trigeminal n.

anterior ramus of mandible

Medial pterygoid Sphenoid, palatine, Medial surface of mandible Elevates mandible and moves Trigeminal n.

and maxillary bones it from side to side

Lateral pterygoid Sphenoid bone Anterior surface of Depresses and protracts Trigeminal n.

mandibular condyle mandible and moves it from side to side the mandible. The muscles that move the eye are described in chapter 12 (pp. 482-483).

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