Careerstep A,p & Dp Ch. 2 Muscles

Front 1

Location: anterior

Back 1

situated in front of, or toward the front

Front 2

Location: coronal

Back 2

situated in the direction of the coronal suture.
Also pertaining to the crown or head

Front 3

Location: distal

Back 3

located farther from any point of reference.

opposite = proximal

Front 4

Location: dorsal

Back 4

pertaining to the back or denoting a location that is more toward the back than another object of reference.

Front 5

Location: inferior

Back 5

situated below or directed downward

Front 6

Location: lateral

Back 6

pertaing to the side

Front 7

location: medial

Back 7

pertaining to the middle

Front 8

location: posterior

Back 8

situated in the back.
used in reference to the back or dorsal surface of the body

Front 9

location: proximal

Back 9

Nearest: closer than any point of reference
Opposite of distal

Front 10

location: sagittal

Back 10

situated in or parallel to the sagittal suture
parallel to the medial/middle

Front 11

location: transverse

Back 11

placed crosswise

Front 12

location: ventral

Back 12

pertaining the the abdomen
used to denote an object is closer to the belly surface than another point of reference

Front 13

frontalis

Back 13

muscle of face/head:
above eyes on frontal bone

Front 14

temporalis

Back 14

muscle of face/head
above ears on the temporal bone

Front 15

orbicularis oculi

Back 15

muscle of face/head
surrounding eyes

Front 16

buccinator

Back 16

muscle of face/head
below the orbicularis oculi on either side of the nose below the levator labii superioris

Front 17

orbicularis oris

Back 17

muscle of face/head
surrounding mouth

Front 18

triangularis

Back 18

muscle of face/head
shaped like a triangle on either side of the jaw

Front 19

corrugator

Back 19

muscle of face/head
above the bridge of the nose between the eyes allowing for wrinkling your forehead. associated with frowning

Front 20

nasalis

Back 20

muscle of face/head
on the bridge of the nose

Front 21

levator labii superioris

Back 21

muscle of face/head
above the buccinator on either side of the nose

Front 22

greater zygomatic

Back 22

muscle of face/head
on the cheek

Front 23

masseter

Back 23

muscle of face/head
that runs from the orbicularis oris around the triangularis

Front 24

platysma

Back 24

muscle of face/head and neck
that runs from the lower jaw down the front of the neck

Front 25

depressor anguli oris

Back 25

muscle of face/head
that originates on the mandible and pulls down the angle of the mouth

Front 26

depressor labii inferioris

Back 26

muscle of face/head
that originates on the mandible and pulls down the lower lip

Front 27

lateral pterygoid

Back 27

muscle of face/head
MUSCLE OF MASTICATION
originates on the pterygoid process of the sphenoid bone; it moves the mandible and limits sideways movement of the jaw.

Front 28

medial pterygoid

Back 28

muscle of face/head
MUSCLE OF MASTICATION
located on the inside of the mandible with the lateral pterygoid. It elevates the jaw and provides sideways jaw movement.

Front 29

mentalis

Back 29

muscle of face/head
POUTING MUSCLE
originates on the chin and extends into the orbicularis oris; it elevates and protrudes the lower lip.

Front 30

occipitalis

Back 30

muscle of face/head
covers the occipital region of the skull(back of the head).

Front 31

risoris

Back 31

muscle of face/head
SMILING MUSCLE
located on the side of the face and inserts into the orbicularis oris; draws the angle of the mouth laterally allowing for the human to smile.

Front 32

splenius capitis

Back 32

muscle of face/head and neck
EXTENDS AND ROTATES HEAD
extends from the upper three cervical vertebrae (including the axis and the atlas) all the way to the temporal and occipital bones.