Head/Neck

Question 1

Masseter

Answer 1

Elevates the mandible
Small effect on side to side movements, protraction, and retraction
Pulls mouth closed

Question 2

Temporalis

Answer 2

Elevates mandible (closes the jaw)
Posterior fibers retrude mandible
Assists with lateral deviation

Question 3

Medial Pterygoid

Answer 3

Elevation (closes jaw)
Protrusion
Deviation to opposite side

Question 4

Lateral Pterygoid

Answer 4

Assists in opening mouth
Controls backward gliding of disk and condyle during closing
Ipsilateral deviation of mandible if acting with temporalis
Contralateral deviation of mandible iif acting with medial pterygoid
Protrusion

Question 5

Longus Capitis

Answer 5

Upper cervical flex and head on neck flex

Question 6

Longus Colli

Answer 6

Lower cervical flexion

Question 7

Rectus Capitis Anterior

Answer 7

Anterior flexion of head on neck (nodding)

Ipsilateral rotation

Question 8

Rectus Capitis Posterior Major

Answer 8

Extend head

Turns face to same side

Question 9

Rectus Capitis Posterior Minor

Answer 9

Extend, rotate neck

Question 10

Oblique Capitis Inferior

Answer 10

Rotate head to same side

Question 11

Oblique Capitis Superior

Answer 11

Extend head

Lateral flexion to same side

Question 12

Rectus Capitis Lateralis

Answer 12

Lateral flexion of head to same side

Question 13

Scalene Anterior

Answer 13

Flex lower cervical vertebrae and lateral bending

Elevate rib 1

Question 14

Scalene Medius

Answer 14

Lateral bending of c-spine, elevates rib 1

Question 15

Scalene Posterior

Answer 15

Lateral bending of c-spine, elevates rib 2

Question 16

Platysma

Answer 16

Flex neck

Question 17

Orbicularis oculi

Answer 17

Close eyelids firmly (orbital) or gently (palpebral)

Question 18

Frontalis

Answer 18

Raise eyebrows

Question 19

Nasalis

Answer 19

Alar - widen apertures of nostrils

Transverse - depress cartilaginous part of nose

Question 20

Orbicularis oris

Answer 20

Close lips and protrude forward

Question 21

Zygomaticus major and minor

Answer 21

Draws up angles of mouth (smile)

Deepens the nasolabial furor, expression of sadness

Question 22

Levator Labii Superioris

Answer 22

Raise and protrude upper lip to show upper gums

Question 23

Depressor Anguli Oris

Answer 23

Draw down angles of mouth

Question 24

Mentalis

Answer 24

Raises and protrudes the lower lip and wrinkles skin of the chin as in pouting

Question 25

Levator Anguli Oris

Answer 25

Draws angle of mouth strait upward, deepening the furrow from the side of the nose to the side of the mouth (sneer)

Question 26

Depressor Labii Inferioris

Answer 26

Draws lower lip and angle of mouth downward and outward, tension skin over the neck

Question 27

Buccinator

Answer 27

Press cheeks firmly against the side teeth, pulling back the angle of the mouth (blowing a trumpet)

Question 28

Corrugator Supercilii

Answer 28

Draw eyebrows together (as in frowning)

Question 29

Sternocleidomastoid

Answer 29

Unilaterally - rotates C-spine to opposite side and lateral flex to same side
Bilaterally - flex lower C-spine (forward translation)
Extend upper cervical