Muscles of Facial Expression + Muscles of Mastication

Frontalis

Raises eyebrows, synergist to the occipitalis

Occipitalis

Raises eyebrows, synergist to the frontalis

Epicranial Apnerosis

Layer of connective tissue that connects the frontalis to the occipitalis

Sternocleidomastoid

Flexion of the neck, lateral flexion of the neck, origin sternum and clavicle, insertion mastoid process

Orbicularis occuli

closes the eye

Zygomaticus Minor

Smiling, above the zygomaticus major right below the orbicularis oculi

Zygomaticus major

Smiling, right below the zygomaticus minor

Orbicularis Oris

closes the lips

Buccinator

Compresses cheeks (as in a blowing motion)

Platysma

Pulls the mouth downward

Masseter

Elevation of the Mandible, runs along the jaw

Temporalis

Elevation of the mandible, located on the temporal bone

Lateral pterygoid

Depresses the Mandible, parallel with the ear

Medial pterygoid

elevates the mandible, connects to the zygomatic process and the mandible