Muscle Flash Cards

Front 1

Retracts scalp; fixes galea aponeurotica.

Back 1

Occipitalis

Front 2

Raises eyebrows and creates wrinkles in forehead when occipitalis is contracted; draws scalp forward when occipitalis is relaxed

Back 2

Frontalis

Front 3

Closes eye; compresses lacrimal gland to promote flow of tears.

Back 3

Orbicularis Oculi

Front 4

Medially depresses eyebrows and draws them closer together; wrinkles skin between eyebrows.

Back 4

Corrugator Supercilii

Front 5

Origin of Corrugator Supercilli

Back 5

Superciliary ridge

Front 6

Insertion of Corrugator Supercilli

Back 6

skin of eyebrow

Front 7

Wrinkles skin between eyebrows; draws skin of forehead down.

Back 7

Procerus

Front 8

Origin of Procerus?

Back 8

skin on bridge of nose

Front 9

Insertion of Procerus?

Back 9

skin of forehead.

Front 10

One part widens nostrils; another part depresses nasal cartilages and compresses nostrils.

Back 10

Nasalis

Front 11

Origin of Nasalis

Back 11

maxilla and nasal cartilages

Front 12

Insertion of Nasalis

Back 12

bridge and alae of nose

Front 13

Closes lips; protrudes lips as in kissing; aids in speech.

Back 13

Orbicularis Oris

Front 14

Elevates upper lip

Back 14

Levator Labii Superioris

Front 15

Elevates corners of mouth as in smiling and laughing.

Back 15

Levator Anguli

Front 16

Origin of Levator Anguli

Back 16

Maxilla

Front 17

Insertion of Levator Anguli

Back 17

superior corner of mouth

Front 18

Draws corners of mouth laterally and upward, as in smiling and laughing

Back 18

Zygomaticus

Front 19

Draws corners of the mouth laterally as in grimacing

Back 19

Risorius

Front 20

Depresses corners of mouth, as in frowning.

Back 20

Depressor Anguli Oris

Front 21

Depresses lower lip

Back 21

Depressor Labii Inferioris

Front 22

Compresses cheek; pushes food between teeth; expels air or liquid from mouth; creates suction

Back 22

Buccinator

Front 23

Depresses mandible, opens and widens mouth, tenses skin of neck

Back 23

Platysma

Front 24

Elevates mandible for biting and chewing; retracts mandible.

Back 24

Temporalis

Front 25

Elevates mandible for biting and chewing; causes some lateral excursion of mandible.

Back 25

Massetor

Front 26

Retracts mandible; elevates and fixes hyoid; depresses mandible when hyoid is fixed.

Back 26

Digastric

Front 27

Forms floor of mouth; elevates hyoid; opens mouth when hyoid is fixed.

Back 27

Mylohyoid.

Front 28

Elevates hyoid.

Back 28

Stylohyoid

Front 29

Depresses hyoid; fixes hyoid during opening of mouth

Back 29

omohyoid

Front 30

Depress hyoid; fixes hyoid during opening of mouth.

Back 30

sternohyoid

Front 31

Depresses hyoid; elevates larynx; fixes hyoid during opeining of mouth.

Back 31

thyrohyoid.

Front 32

Depresses larynx; fixes hyoid during opening of mouth.

Back 32

sternohyoid.

Front 33

Contraction of either one draws head down and toward the side opposite the contractin muscle; contracton of both draws dead forward and down, as in looking between the feet.

Back 33

Sterncleidomastoid

Front 34

Flex neck laterally; elevate ribs 1 and 2 in inspiration

Back 34

Scalenes

Front 35

Abducts and extends nexk

Back 35

Trapezius

Front 36

Rotate head, extend neck

Back 36

Splenius Capitis