Head/Neck Muscles
Order by
15 terms
Terms | Definitions |
|---|---|
 frontalis | raises eyebrows, wrinkles forhead skin horizontally |
| occipitalis | fixes aponeurosis; pulls scalp back posteriorly |
| orbicularis oculi | winking, blinking, squinting, "crow's feet" of aging |
| zygomaticus | smiling muscle |
| orbicularis oris | "kissing" muscle, "tragedy mask" muscle |
| buccinator | whistling, blowing, sucking, holds food between teeth |
| masseter | prime mover of jaw closure, elevates mandible |
| temporalis | synergist muscle for jaw closure |
| genioglossus | protrudes tongue, can depress tongue with other muscles |
| styloglossus | retracts and elevates tongue |
| sternocleidomastoid | prime mover of active head flextion |
| scalenes | elevates first 2 ribs (inspiration); important in coughing; flex and rotate neck |
| trapezius | stabilizes, raises, retracts, rotates scapula; shrug shoulders, extend head |
| latissimus dorsi | adducts shoulder; extension of shoulder joint; "swimmer's back" muscles; prime mover of arm extension; arm adductor |
| deltoid | flexion & medial rotation of humerus |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.