head muscles

frontal belly of occipitofrontalis

A1 - galea aponeurotica

A2 - subcutaneous tissue of eyebrows

action - raises eyebrows

occipital belly of occipitofrontalis

A1 - occipital & temporal bone

A2 - galea aponeurotica

action - retracts scalp

temporalis

A1 - temporal fossa

A2 - coronoid process & ramus of mandible

action - elevates (closes) mandible

masseter

A1 - zygomatic arch

A2 - angle & ramus of mandible

action - elevates (closes) mandible

pterygoids

A1 - pterygoid processes of sphenoid bone

A2 - medial ramus of mandible

action - medial excursion of mandible

orbicularis oculi

A1 - frontal & maxilla on medial margin of orbit

A2 - skin of eyelid

action - closes eyelid

orbicularis oris

A1 - modiolus of mouth

A2 - skin near lips

action - closes lips

risorius

A1 - fascia of masseter & zygomatic bone

A2 - modiolus at angle of mouth

action - abducts corners of mouth

buccinator

A1 - maxilla & mandible near molar teeth

A2 - orbicularis oris

action - compresses cheek

zygomaticus (major & minor)

A1 - zygomatic bone

A2 - muscles of upper lip

action - elevates corners of mouth