anatomy neck muscles

Question 1

sternocleidomastoid muscle

nerve

Answer 1

spinal accessory nerve

Question 2

splenius capitis muscle

nerve

Answer 2

posterior ramus of spinal nerves C3 and C4.

Question 3

Longus Capitis Muscle

nerve

Answer 3

anterior rami of spinal nerves C1-C3.

Question 4

temporalis muscle 
origin
insertion
nerve
function

Answer 4

temporal fossa
coronoid process
mandibular nerve
retracts mandible

Question 5

INFRAHYOID MUSCLES

Question 6

omohyoid
nerve
blood supply

Answer 6

anterior rami of c1-c3 spinal nerves via asna cervalisis

inf thyroid artery

Question 7

sternohyoid
nerve
blood supply

Answer 7

anterior rami of C1-C3 via ansa cervicalis

sup thyroid artery

Question 8

sternothyroid
nerve
blood supply

Answer 8

anterior rami of C1-C3 via ansa cervicalis

sup thyroid and lingual arteries

Question 9

thyrohyoid
nerve
artery

Answer 9

anterior ramus of spinal nerve C1 via CNVII

sup thyroid and lingual arteries

Question 10

SUPRAHYOID MUSCLES

Question 11

stylohyoid
nerve
action

Answer 11

stylohyoid branch of facial nerve

initiates swallowing

Question 12

geniohyoid
nerve
action

Answer 12

C1 nerve along w CNXII

elevates hyoid and depresses mandible

Question 13

mylohyoid
nerve
action

Answer 13

inferior alveolar branch of mandibular nerve

elevates hyoid and floor of mouth

Question 14

digastric : anterior belly
nerve
action

Answer 14

inferior alveolar branch of mandibular nerve

elevates hyoid and depresses mandible

Question 15

digastric posterior:
nerve
action

Answer 15

digastric branch of facial nerve

elevates hyoid bone and depresses mandible

Question 16

OTHER MUSCLES

Question 17

sternocleidomastoid muscle
origin
insertion

Answer 17

Sternal head :manubrim of sternum
Clavicular head :medial third of clavicle.

mastoid process and superior nuchal line

Question 18

Splenius capitis Muscle
origin
insertion

Answer 18

nuchal ligament and spinous process of C7-T3

mastoid process

Question 19

Longus Capitis Muscle
origin
insertion

Answer 19

anterior tubercle of transverse processes of C3-C6.

basilar part of occipital bone.

Question 20

omohyoid
origin
insertion

Answer 20

• transverse scapular lig and sup border of scapula

- hyoid bone

Question 21

sternohyoid
origin
insertion

Answer 21

• manubrium of sternum , medial end of clavicle

- hyoid bone

Question 22

sternothyroid
origin
insertion

Answer 22

post surface of manubrium , costal cartilage of rib 1

oblique line of thyroid cartilage

Question 23

thyrohyoid
origin
insertion

Answer 23

• oblique line of thyroid cartilage

- hyoid

Question 24

stylohyoid
origin
insertion

Answer 24

styloid process

hyoid bone

Question 25

mylohyoid origin insertion

Answer 25

mylohyoid line of mandible | hyoid bone

Question 26

geniohyoid origin insertion

Answer 26

inf mental spine of mandible | hyoid

Question 27

digastric : anterior belly origin insertion

Answer 27

digastric fossa of mandible | intermediate tendon , attached to hyoid bone by fibrous sling

Question 28

medial pterygoid muscle origin insertion

Answer 28

-superficial part=tuberosity of maxilla , pyramid process of palatine deep part=. medial surface of lat pterygoid plate -ramus and angle of mandible

Question 29

digastric posterior: origin insertion

Answer 29

mastoid process of temporal bone | intermediate tendon , attached to hyoid bone by fibrous sling

Question 30

lateral pterygoid muscle INFERIOR HEAD origin insertion

Answer 30

infratemporal crest of greater wing of sphenoid bone | joint capsule of TMJ

Question 31

lateral pterygoid muscle origin insertion nerve and blood

Answer 31

-lateral pterygoid plate -pterygoid fovea of neck of condylar process of mandible same as inferior head

Question 32

medial pterygoid muscle origin insertion

Answer 32

-superficial part=tuberosity of maxilla , pyramid process of palatine deep part=. medial surface of lat pterygoid plate -ramus and angle of mandible

Question 33

masseter muscle origin insertion

Answer 33

superficial=maxillary process of zygomatic bone, inf border zygo arch deep=deep/inf surface of zygomatic arch ramus and angle of mandible