NECK MUSCLES

Question 1

Omohyoid INSERTION

Answer 1

hyoid bone (body)

Question 2

Omohyoid INNERVATION

Answer 2

ansa cervicalis of cervical plexus (c1-C3)

Question 3

Sternhyoid ORIGIN

Answer 3

manubrium & sternoclavicular joint (post. surface)

Question 4

Sternohyoid Insertion

Answer 4

Hyoid bone

Question 5

Sternohyoid INNERVATION

Answer 5

ansa cervicalis of cervical plexus C1-C3

Question 6

Sternothyroid Origin

Answer 6

manubrium (post. surface)

Question 7

Sternothryoid INSERTION

Answer 7

Thryoid cartilage

Question 8

Sternothyroid INNERVATION

Answer 8

ANSA CERVICALIS C2-C3

Question 9

Thryohyoid ORIGIN

Answer 9

thyroid cartilage (oblique line)

Question 10

Thyrohyoid INSERTION

Answer 10

HYOID BONE

Question 11

Thryohyoid INNERVATIO

Answer 11

C1 via hypoglossal N

CN XII

Question 12

Omohyoid, sternohyoid, sternothryoid ACTION

Answer 12

depresses (fixed) hyoid

draws layrnx and hyoid done for phonation and swallowing

Question 13

Thryohyoid ACTION

Answer 13

Depresses & fixes hyoid

raises layrnx during swallowing

Question 14

SCM ORIGIN (ALL)

Answer 14

sternum (manubrium)

clavicle (medial 1/3)

Question 15

SCM INSERTION

Answer 15

temporal bone- mastoid process

occipital bone- sup. nuchal line

Question 16

SCM INNERVATION

Answer 16

Motor: accessory N CN 11

Question 17

Trapezius (descending fibers) ORIGIN

Answer 17

occipital bone

S.P C1-C7

Question 18

TRAPEZIUS insertion

Answer 18

clavicle (lateral 1/3)

Question 19

Trapezius INNERVATION

Answer 19

Motor; accessory n CN 11

Question 20

Suprahyoid muscles ACTION

Answer 20

Raises hyoid bone and depress jaw during swallowing

Question 21

Infrahyoid muscles ACTION

Answer 21

depresses hyoid bone

Question 22

Platysma ACTION

Answer 22

depresses and wrinkles skin of lower face and mouth
tenses skin of neck
aids foreced depression of mandible

Question 23

MUSCLES OF FACIAL EXPRESSION INNERVATION

Answer 23

Facial N

Question 24

OMOHYOID ORIGIN

Answer 24

scapula (sup. border)

Question 25

Digastric ant belly ORIGIN

Answer 25

mandible

Question 26

digastric post belly ORIGIN

Answer 26

temporal bone (mastoid notch, medial to mastoid process)

Question 27

suprahyoid muscles INSERTION

Answer 27

HYOID BONE

Question 28

STYLOHYOID ORIGIN

Answer 28

temporal bone (styloid process)

Question 29

Mylohyoid Origin

Answer 29

mandible (mylohyoid line)

Question 30

Geniohyoid ORIGIN

Answer 30

mandible (inf. mental spine)