Lab Practical 3

Question 1

muscle that raises your eyebrows

Answer 1

epicranius - frontal belly

Question 2

muscle that is for closing, blinking, and squinting of the eyes

Answer 2

orbicularis oculi

Question 3

muscles that is for raising the corners of the mouth

Answer 3

zygomaticus major and minor

Question 4

muscles that are for the closing and pursing of the lips

Answer 4

orbicularis oris

Question 5

muscles for wrinkling the chin and protruding the lower lip

Answer 5

mentalis

Question 6

muscles that are for tensing of the skin of the neck and depression of the mandible

Answer 6

platysma

Question 7

where do the superficial muscles of the head and neck generally insert?

Answer 7

on the skin

Question 8

what are the superficial muscles of the head and neck actions mostly associated with?

Answer 8

facial expressions

Question 9

muscles of mastication located on the lateral side of the head (2)

Answer 9

temporalis and masseter

Question 10

a muscles that compresses the cheeks to help with sucking and whistling

Answer 10

buccinator

Question 11

what are neck muscles deep to the platysma involved in?

Answer 11

swallowing and head movements

Question 12

muscles flex the neck or laterally rotate the head

Answer 12

sternocleidomastoid

Question 13

this muscle is primarily involved in stabilizing and moving the scapulae

Answer 13

trapezius

Question 14

muscles involved in depressing the hyoid bone when swallowing (3)

Answer 14

omohyoid - superior belly
omohyoid - inferior belly
sternohyoid

Question 15

suprahyoid muscles

Answer 15

insert onto the hyoid from above
ex. anterior and posterior bellies of the digastric

Question 16

muscle that acts to open the mouth and depress the mandible

Answer 16

digastric

Question 17

muscles that elevate the hyoid bone to help with swallowing

Answer 17

mylohyoid and stylohyoid

Question 18

infrahyoid muscles

Answer 18

insert onto the hyoid or thyroid cartilage from below

Question 19

depresses the larynx and hyoid bone during swallowing

Answer 19

sternothyroid

Question 20

depresses the hyoid bone or elevates the larynx if hyoid is fixed

Answer 20

thyrohyoid

Question 21

muscles that elevate the ribs during inspiration (3)

Answer 21

anterior, middle, and posterior scalene

Question 22

involved in a variety of movements of the scapula and neck

Answer 22

levator scapulae

Question 23

pushes the scalp posteriorly

Answer 23

occipital belly of the epicranius

Question 24

muscles of the posterior neck that are involved in neck extensions (3)

Answer 24

splenius cervicis and capitis
semispinalis capitis

Question 25

primarily involved in stabilizing and moving the scapulae

Answer 25

trapezius