Muscles of Head and Neck Actions

Question 1

If one side contracts, head and neck bend to same side; if both contract the head will flex at the neck and extend at the junction between the neck and skull

Answer 1

Sternocleidomastoid

Question 2

Lifts the clavicle and scapula ->

Answer 2

Trapezius

Question 3

Sternocleidomastoid and Trapezius

Answer 3

Cervical muscles

Question 4

Masseter
Temporalis
Medial Ptyergyoid
Lateral Ptyerygoid

Answer 4

Muscles of Mastication

Question 5

Elevation of mandible (closing)

Answer 5

Masseter
Temporalis
Medial Pterygoid

Question 6

Depression of mandible (opening)

Answer 6

Lateral ptyerygoid

Question 7

In addition to elevation of hyoid and depression of mandible. it also forms the floor of the mouth and helps elevate the tongue

Answer 7

Mylohoid

Question 8

Depresses hyoid bone and raises the thyroid cartilage and larynx

Answer 8

Thyrohyoid

Question 9

Protrudes the tongue, depresses portions of the tongue surface

Answer 9

genioglossus

Question 10

Depresses tongue

Answer 10

Hypoglossus

Question 11

Simultaneously elevates and widens the pharynx

Answer 11

Styloglossus

Question 12

Simultaneously elevates and widens the pharynx

Answer 12

Stylopharyngeus

Question 13

Elevates the base of the tongue and depresses soft palate (separates oral cavity from pharynx)

Answer 13

Palatoglossus

Question 14

moves palate posterioinferiorly and pharynx anterosuperiorly

Answer 14

Palatopharyngeus

Question 15

Raises the soft palate and helps bring it into contact with posterior pharyngeal wall to close off nasopharyx during speech and swallowing

Answer 15

Levator veli palatini

Question 16

Slightly lowers palate

Answer 16

Tensor veli palatini

Question 17

Shortens and broadens the uvula (to help close off the nasopharynx during speech and eating)

Answer 17

Muscles of the uvula