Axial Skeleton Muscles Flashcards
orbicularis oculi origin
margin of orbit
orbicularis oculi insertion
skin around eye lids
orbicularis oculi action
close eyes
orbicularis oris origin
maxilla and mandible
orbicularis oris insertion
skin around mouth
orbicularis oris action
purse lips
buccinator origin
maxilla and mandible
buccinator insertion
orbicularis oris
buccinator action
compress cheeks, hold food between teeth
platysma origin
skin of shoulder and chest
platysma insertion
skin of cheek and mandible
platysma action
tense skin of neck
masseter origin
zygomatic arch
masseter insertion
mandibular ramus
masseter action
elevate and protract mandible
temporalis origin
lateral side of neurocranium
temporalis insertion
coronoid process of mandible
temporalis action
elevate and retract mandible
sternocleidomastoid origin
manubrium (sternum) and clavicle
sternocleidomastoid insertion
mastoid process (temporal bone)
sternocleidomastoid action
ipsilaterally: bends neck contralaterally: rotate head bilaterally: flex neck