Axial Muscles For Quiz 2

Front 1

Name the muscle linked by the aponeurosis named galea aponeurotica, and wrinkles forehead and raises eyebrows

Back 1

occipitofrontalis

Front 2

What are the origins and insertions for facial expression muscles?

Back 2

origin: superficial fascia on the skull

insert: superficial fascia of the skin

Front 3

This muscle circles around the orbit and aids in blinking, winking, and squinting (S)(F)

Back 3

orbicularis oculi

Front 4

______ flares nostrils and ______ wrinkles nose in disgust

Back 4

nasalis, procerus

Front 5

This muscle is a sphincter that opens/closes the mouth (F)

Back 5

orbicularis oris

Front 6

________ is the frown muscle (F) and _________ is the smile muscle (S)

Back 6

depressor anguli oris, levator anguli oris

Front 7

These aid the levator anguli oris in smiling (S)

Back 7

zygomaticus minor and major

Front 8

This makes a closed mouth smile, pulls corners of lips laterally

Back 8

risorius

Front 9

This aids in the "pouting" look

Back 9

mentalis

Front 10

This tenses the neck and pulls the lips down

Back 10

platysma

Front 11

What are the facial muscles innervated by?

Back 11

CN VII

Front 12

These help with masticating, lip movement, and cheek movement

Back 12

buccinators

Front 13

Where do the extrinsic eye muscles originate and insert?

Back 13

originate: in orbit (ring: rectus)

insert: in sclera

Front 14

What does the medial rectus of the eye do? Innervated by?

Back 14

adducts eye, CN III

Front 15

What does the lateral rectus of the eye do? Innervated by?

Back 15

abducts eye, CN IV

Front 16

What does the inferior rectus of the eye do? Innervated by?

Back 16

look down and medial, CN III

Front 17

What does the superior rectus of the eye do? Innervated by?

Back 17

look up and medial, CN III

Front 18

What does the inferior oblique of the eye do? Innervated by?

Back 18

elevates eye and turns laterally, CN III

Front 19

What does the superior oblique of the eye do? Innervated by?

Back 19

the posterior part of the eye elevates, but the anterior depresses, CN IV trochlear (passes thru trochlea)

Front 20

What muscle of mastication is broad, fan-shaped, elevates and retracts mandible, inserts to coronoid process and originates in temporal bone?

Back 20

temporalis

Front 21

What muscle of mastication elevates and protracts the mandible, superficial to temporalis?

Back 21

masseter

Front 22

Which two mastication muscles move the mandible from side to side?

Back 22

lateral and medial pterygoids

Front 23

Which tongue muscle sticks out your tongue? Originates on the mandible and inserts in the tongue

Back 23

genioglossus

Front 24

Which tongue muscle retracts and elevates your tongue? Originates on the styloid process and inserts in tongue

Back 24

styloglossus

Front 25

Which tongue muscle depresses and retracts the tongue? Originates on hyoid and inserts in tongue

Back 25

hyoglossus

Front 26

What suprahyoid muscle runs from mental to hyoid to mastoid process that depresses the mandible?

Back 26

digastric

Front 27

What suprahyoid muscle originates on mandible and inserts on hyoid and elevates hyoid?

Back 27

geniohyoid

Front 28

What suprahyoid muscle originates on styloid process and inserts on hyoid and elevates hyoid?

Back 28

stylohyoid

Front 29

What infrahyoid muscle originates clavicle and inserts on hyoid and depresses hyoid? Has 2 thin bellies and is anchored by a connective sling.

Back 29

omohyoid

Front 30

What infrahyoid muscle originates on the sternum and inserts on hyoid and depresses hyoid?

Back 30

sternohyoid

Front 31

What infrahyoid muscle originates on the thyroid and inserts on hyoid, and depresses hyoid, but elevates thyroid to close larynx?

Back 31

thyrohyoid