LAB 14 MUSCLES OF HEAD AND NECK

Buccinator- “trumpeters muscle” deep cheek muscle, compresses cheek, whistle,blowing, sucking assists in chewing

Epicranius: frontal belly and occipital belly of occipitofrontalis

frontalis- raises eyebrow(surprise) 

Occipitalis- pulls scalp posteriorly

Masseter- Superficial to buccinator, closes jaw, covers lateral aspect of jaw 

Orbicularis oculi- circular muscle around eye, closes eye, winking, blinking, and squinting

Orbicularis oris-circular around mouth, kissing, whistling muscle, closing and protruding lips 

Platysma- thin, sheet like superficial neck muscle, tests skin of neck(shaving)

Sternocleidomastoid- straplike muscle, flexes of neck, rotation of head

Temporalis- flat, fan- shaped muscle, closes jaw

Zygomaticus major and minor- cheekbone to corner of mouth, raises corners of the mouth upward/superiorly (smiling muscle)