muscles in the neck

Question 1

origin of sternocleidomastoid

Answer 1

medial third of clavicle, manubrium

Question 2

insertion of sternocleidomastoid

Answer 2

mastoid process

Question 3

function of sternocleidomastoid

Answer 3

rotates head to opposite side, flexes neck laterally

Question 4

innervation of sternocleidomastoid

Answer 4

accessory nerve

Question 5

origin of longus capitis

Answer 5

transverse processes of C3-C6

Question 6

insertion of longus capitis

Answer 6

base of occipital bone anterior to foramen magnum

Question 7

function of longus capitis

Answer 7

flexes head, rotates head to same side

Question 8

innervation of longus capitis

Answer 8

ventral rami of cervical nerves

Question 9

origin of longus colli

Answer 9

vertebral bodies, transverse processes of C3-C5

Question 10

insertion of longus colli

Answer 10

front of atlas, transverse processes of C5-C6

Question 11

function of longus colli

Answer 11

flexes neck forward or laterally

Question 12

innervation of longus colli

Answer 12

ventral rami of cervical nerves

Question 13

origin of scalenus anterior

Answer 13

transverse processes of C3-C6

Question 14

insertion of scalenus anterior

Answer 14

scalene tubercle on superior of first rib

Question 15

function of scalenus anterior

Answer 15

flexes neck forward or laterally, raises first rib during forced inspiration

Question 16

innervation of scalenus anterior

Answer 16

ventral rami of cervical nerves

Question 17

origin of scalenus medius

Answer 17

transverse processes of C2-C6

Question 18

insertion of scalenus medius

Answer 18

superior surface of first rib near posterior margin

Question 19

function of scalenus medius

Answer 19

flexes neck laterally, raises first rib during forced inspiration

Question 20

innervation of scalenus medius

Answer 20

ventral rami of cervical nerves

Question 21

origin of scalenus posterior

Answer 21

transverse processes of C4-C6

Question 22

insertion of scalenus posterior

Answer 22

outer surface of second rib

Question 23

function of scalenus posterior

Answer 23

flexes neck laterally, raises second rib during forced inspiration

Question 24

innervation of scalenus posterior

Answer 24

ventral rami of cervical nerves

Question 25

origin of platysma

Answer 25

fascia over the clavicle

Question 26

insertion of platysma

Answer 26

fascia at lower border of mandible

Question 27

function of platysma

Answer 27

draws out corners of mouth

Question 28

innervation of platysma

Answer 28

facial nerve

Question 29

origin of stylohyoid

Answer 29

styloid process of skull

Question 30

insertion of stylohyoid

Answer 30

greater horn of hyoid bone

Question 31

function of stylohyoid

Answer 31

elevates hyoid during swallowing

Question 32

innervation of stylohyoid

Answer 32

posterior auricular nerve

Question 33

origin of anterior belly of digastric

Answer 33

hyoid bone by loop of fascia

Question 34

insertion of anterior belly of digastric

Answer 34

inferior border of mandible

Question 35

function of anterior belly of digastric

Answer 35

elevates hyoid during swallowing and opening of mouth, depresses mandible

Question 36

innervation of anterior belly of digastric

Answer 36

mylohyoid nerve

Question 37

origin of posterior belly of digastric

Answer 37

skull near mastoid process

Question 38

insertion of posterior belly of digastric

Answer 38

hyoid bone by loop of fascia

Question 39

function of posterior belly of digastric

Answer 39

elevates hyoid during closing of mouth

Question 40

innervation of posterior belly of digastric

Answer 40

posterior auricular nerve

Question 41

origin of mylohyoid

Answer 41

line on inside of body of mandible

Question 42

insertion of mylohyoid

Answer 42

fibrous band, hyoid bone

Question 43

function of mylohyoid

Answer 43

forms semi-rigid floor of mouth, elevates the hyoid

Question 44

innervation of mylohyoid

Answer 44

mylohyoid nerve

Question 45

origin of geniohyoid

Answer 45

posterior of mandible

Question 46

insertion of geniohyoid

Answer 46

hyoid

Question 47

function of geniohyoid

Answer 47

elevates hyoid during swallowing

Question 48

innervation of geniohyoid

Answer 48

first cervical nerve, hypoglossal nerve

Question 49

origin of omohyoid

Answer 49

superior border of scapula

Question 50

insertion of omohyoid

Answer 50

inferior border of hyoid

Question 51

function of omohyoid

Answer 51

depresses hyoid during vocalization and swallowing

Question 52

innervation of omohyoid

Answer 52

ventral rami of cervical nerves

Question 53

origin of sternohyoid

Answer 53

back of manubrium

Question 54

insertion of sternohyoid

Answer 54

lower margin of hyoid

Question 55

function of sternohyoid

Answer 55

depresses hyoid

Question 56

innervation of sternohyoid

Answer 56

ventral rami of cervical nerves

Question 57

origin of thyrohyoid

Answer 57

thyroid cartilage

Question 58

insertion of thyrohyoid

Answer 58

lower margin of hyoid

Question 59

function of thyrohyoid

Answer 59

depresses hyoid and elevates larynx during swallowing

Question 60

innervation of thyrohyoid

Answer 60

ventral rami of cervical nerves

Question 61

origin of sternothyroid

Answer 61

back of manubrium

Question 62

insertion of sternothyroid

Answer 62

front of thyroid cartilage

Question 63

function of sternothyroid

Answer 63

depresses larynx

Question 64

innervation of sternothyroid

Answer 64

ventral rami of cervical nerves