Major Muscles Of The Axial Skeleton

Front 1

Occipitofrontalis
(location)

Back 1

the superior part of the skull (forehead)

Front 2

Occipitofrontalis (function)

Back 2

wrinkles the forehead

Front 3

Orbicularis oculi (location)

Back 3

around the eye

Front 4

Orbicularis oculi (function)

Back 4

close the eye

Front 5

Orbicularis oris (location)

Back 5

around the mouth

Front 6

Orbicularis oris (function)

Back 6

close or purse the lips

Front 7

Zygomaticus major (location)

Back 7

from xygomatic bone to corner of mouth

Front 8

Zygomaticus major (function)

Back 8

causes smiling

Front 9

Depressor anguli oris (location)

Back 9

Attches to the angle of the mouth inferiorly

Front 10

Depressor anguli oris (function)

Back 10

causes frowning

Front 11

Levator labii superioris (location)

Back 11

runs superior(vertical) next to mouth

Front 12

Levator labii superioris (function)

Back 12

elevates the upper lip (raises it)

Front 13

Depressor labii inferioris (location)

Back 13

runs inferiorly (vertical) next to mouth

Front 14

Depressor labii inferioris (function)

Back 14

Lowers the lower lip

Front 15

Buccinator (location)

Back 15

in the cheek

Front 16

Buccinator (function)

Back 16

pushes food over the teeth so that chewing is efficient

Front 17

Platysma (location)

Back 17

Very superficial runs all the way from the mandible to the thorax

Front 18

Platysma (function)

Back 18

Tenses the skin of the neck

Front 19

Temporalis (location)

Back 19

lateral to the skull

Front 20

Temporalis (function)

Back 20

elevate the mandible

Front 21

Masseter (location)

Back 21

from the maxillae to the mandible

Front 22

Masseter (function)

Back 22

closes the mouth (elevates the mandible)

Front 23

Medial pterygoid (location)

Back 23

attatches to mandible on the inside

Front 24

Medial pterygoid (function)

Back 24

elevate the mandible

Front 25

Lateral pterygoid (location)

Back 25

attatched to the mandible on the inside

Front 26

Lateral pterygoid (function)

Back 26

depresses the mandible

Front 27

Hyoglossus (location)

Back 27

from the hyoid bone to the tongue (one on each side)

Front 28

Hyoglossus (function)

Back 28

depresses the lateral side of the tongue

Front 29

Genioglossus (location)

Back 29

attatched to the chin and inside of mandible surface

Front 30

Genioglossus (function)

Back 30

potracts the tongue (sticks out the tounge) also depresses the tongue

Front 31

Styloglossus (location)

Back 31

from the styloid process to the tongue

Front 32

Styloglossus (function)

Back 32

retracts the tongue (pulls it back) can also elevate the tongue

Front 33

Supraphoid muscles (location)

Back 33

Superior to hyoid bone; floor of the mouth/tongue

Front 34

Supraphoid muscles (function)

Back 34

elevate the hyoid; support the tongue

Front 35

Infrahyoid muscles (location)

Back 35

inferior to hyoid bone; surround the larynx

Front 36

Infrahyoid muscles (function)

Back 36

depress the hyoid bone help with swallowing

Front 37

Sternocleidomastoid (location)

Back 37

located on the sternum clavicle, and mastoid on both sides

Front 38

Sternocleidomastoid (function)

Back 38

flexes the neck - - both work; rotates the neck - - one works

Front 39

Scalenes (location)

Back 39

attatch from cervical spine to the ribs

Front 40

Scalenes (function)

Back 40

flextion of the neck - - both work; rotation of the neck - - one works

Front 41

Iliocostalis *part of the erector spinae group* (location)

Back 41

from the illium to the cotals (ribs)

Front 42

Iliocostalis *part of the erector spinae group* (function)

Back 42

extends the trunk

Front 43

Longissimus *part of the erector spinae group* (location)

Back 43

longest muscle

Front 44

Longissimus *part of the erector spinae group* (function)

Back 44

extends the trunk

Front 45

Spinalis *part of the erector spinae group* (location)

Back 45

closest to the spine (most medial)

Front 46

Spinalis *part of the erector spinae group* (function)

Back 46

extends the trunk

Front 47

Quadratus lumborum (location)

Back 47

in the lumbar region connects rib 12 with the illium

Front 48

Quadratus lumborum (function)

Back 48

extends the spine and is a "hip hiker" (allows hip to rise)

Front 49

External oblique (location)

Back 49

"hands in pocket" visual - - on anterior of thorax

Front 50

External oblique (function)

Back 50

suport viscera (inside and organs); flexion, rotation, and lateral flexion

Front 51

Internal oblique (location)

Back 51

opposite of external oblique location :-\ ...

Front 52

Internal oblique (function)

Back 52

Support viscera (inside and organs); flexion, rotation, and lateral flextion...same as external oblique

Front 53

Transverseus abdominis (location)

Back 53

abdominal region

Front 54

External intercostals (location)

Back 54

external to the rib

Front 55

External intercostals (function)

Back 55

aid in breathing (*external)

Front 56

Internal intercostals (location)

Back 56

Internal to the rib

Front 57

Internal intercostals (function)

Back 57

aid in breathing (*internal)

Front 58

Diaphragm (function)

Back 58

big muscle that aids in breathing

Front 59

Levator ani coccygeus (location)

Back 59

posteriorly; part of the pelvic diaphragm

Front 60

Levator ani coccygeus (function)

Back 60

supports the viscera

Front 61

Urogenital diaphragm (location)

Back 61

part of the pelvic diaphragm

Front 62

Urogenital diaphragm(function)

Back 62

supports the uterus/viscera