Muscles of Mastication & Swallowing

What is this facial muscle and its action?

• Masseter

• Temporalis

• Elevates mandible

• Closes jaw

What is this facial muscle and its action?

• Buccinator

• Temporalis

• Elevates cheek

• Elevates & retracts mandible (closes jaw)

What is this facial muscle and its action?

• Digastric

• Temporalis

• Depress mandible

• Elevates & retracts mandible (closes jaw)

What is this facial muscle and its origin, insertion, and action?

• Digastric: clavicle, hyoid bone, depress mandible

• Mylohyoid: mandible, hyoid bone, elevates hyoid

• Sternohyoid: manubrium of sternum, hyoid bone, depresses hyoid

• Masseter: zygomatic process, zygomatic bone, elevates mandible

What is this facial muscle and its origin, insertion, and action?

• Digastric: clavicle, hyoid bone, depress mandible

• Mylohyoid: mandible, hyoid bone, elevates hyoid

• Sternohyoid: manubrium of sternum, hyoid bone, depresses hyoid

• Masseter: zygomatic process, zygomatic bone, elevates mandible

What is the facial muscle that: depresses hyoid

What is the facial muscle that: Elevates hyoid

What is the facial muscle that: Elevates mandible

What is the facial muscle that: depresses mandible

What is the facial muscle that: elevates & retracts mandible (closes jaw)