Facial Muscles

zygomaticus

zygomaticus

3 branches that draws corners of mouth upward. Origin: zygomatic bone. Insertion: orbicularis oris

buccinator

Pushes your cheeks in when blowing out. Origin: muscles near mouth. Insertion: skin of lips

orbicularis oculi

Closes your eyes. Origin: maxillary and frontal bones. Insertion: skin around eyes

platysma

Causes the corners of your mouth to be drawn downward. Origin: fascia of the chest. Insertion: lower border in lower mandible

frontalis

Furrowing your brow. Origin: occipital bone. Insertion: skin and muscles around the eye

occipitalis

Unfurrows your brow. Origin: occipital bone. Insertion: skin and muscles around the eye

epicranial aponeurosis

Connects the two portion of the Occipitofrontalis

masseter

Raises the mandible. Origin: zygomatic bone. Insertion: mandible

temporalis

Closes jaw. Origin: temporal bone. Insertion: mandible

sternocleidomastoid

turn one side, head/chin to chest

splenius capitis

Rotates head, bends head to one side, or brings head into an upright position

semispinalis capitis

Rotates head, bends head to one side, or brings head into an upright position