Muscles of the head

Question 1

Temporalis

Answer 1

Origin: Temporal Fossa

Insertion: Coronoid Process of Mandible

Synergist: Masseter

Antagonist: Lateral Pterygoid

Action: Retraction and Elevation of Mandible

Question 2

Masseter

Answer 2

Origin: Zygomatic Arch, Maxilla

Insertion: Cornoid Process, Ramus of Mandible

Synergist: Temporalis

Antagonist: Lateral pterygoid

Action: mandible protraction and elevation

Question 3

Buccinator

Answer 3

Origin: Alveolar Processes of Mandible and Maxilla

Insertion: Modiolus, Orbicularis Oris

Synergist: Masseter

Antagonist: Lateral pterygoid

Action: Elevation of the Mandible, Compresses teeth