Muscle A & I

Question 1

Frontalis belly, epicranius

Answer 1

I: temporal branches of facial N
A: pulls scalp forward; wrinkles forehead and raises eyebrows

Question 2

Corrugator Supercilii

Answer 2

I: temporal branches of facial N
A: draws eyebrow medial and down

Question 3

Superior Auricular

Answer 3

I: temporal branches of facial N

Question 4

Temporoparietalis

Answer 4

I: temporal branches of facial N

Question 5

Orbital Part, Orbicularis Oculi

Answer 5

I: temporal and zygomatic branches of facial N

Question 6

Palpebral Part, Orbicularis Oculi

Answer 6

I: temporal and zygomatic branches of facial N

Question 7

Procerus

Answer 7

I: superior buccal branches of facial N
A: depress eyebrows medially

Question 8

Compressor Naris

Answer 8

I: superior buccal branches of facial N
A:compress cartilage at bridge of nose

Question 9

Dilatator Naris

Answer 9

I: superior buccal branches of facial N
A: widens, dilates nostrils and anterior nasal aperature

Question 10

Depressor Septi

Answer 10

I: superior buccal branches of facial N
A: widens nostril

Question 11

Levator Labii Superioris

Answer 11

I: buccal branches of facial N
A: raises and everts upper lip

Question 12

Levator Labii superioris alaeque nasi

Answer 12

I: buccal branches of facial N
A: raises and everts upper lip; dilates nostril

Question 13

Zygomaticus Minor

Answer 13

I: buccal branches of facial N
A: raises upper lip; produces nasolabial groove

Question 14

Zygomaticus Major

Answer 14

I: buccal branches of facial N
A: draws angle of mouth up and out

Question 15

Levator anguli oris

Answer 15

I: buccal branches of facial N
A: raises angle of mouth; produces nasolabial groove

Question 16

Buccinator

Answer 16

I: buccal branches of facial N
A: compress cheeks against teeth

Question 17

Orbicularis oris

Answer 17

I: buccal and mandibular branches of facial N
A: close mouth; purse and protrude lips

Question 18

Risorius

Answer 18

I: buccal and mandibular branches of facial N
A: draws back angle of mouth

Question 19

Mentalis

Answer 19

I: mandibular branches of facial N
A: raises and protrudes lower lip

Question 20

Depressor labii inferioris

Answer 20

I: mandibular branches of facial N
A: draws lower lip down

Question 21

Depressor anglui oris

Answer 21

I: mandibular branches of facial N
A: draws corner of mouth down and out

Question 22

levator palpebra superioris

Answer 22

I: oculomotor N
A: elevates upper eyelid

Question 23

superior rectus

Answer 23

I: oculomotor N
A: elevate and adduct the cornea: intorsion

Question 24

inferior rectus

Answer 24

I: oculomotor N
A: depress and adduct the cornea; extorsion

Question 25

medial rectus

Answer 25

I: oculomotor N A: adducts cornea

Question 26

Inferior Oblique

Answer 26

I: oculomotor N A: elevate and abduct the cornea; extorison

Question 27

lateral rectus

Answer 27

I: abducent N A: abduct cornea

Question 28

superior oblique

Answer 28

I: trochlear N A: depress and abduct the cornea; intorsion

Question 29

Posterior auricular

Answer 29

I: posterior auricular branch of facial N

Question 30

Occipitalis belly, Epicranius

Answer 30

I: posterior auricular branch of facial N A: pulls scalp backward

Question 31

temporalis

Answer 31

I: anterior and posterior deep temporal branches, mandibular division, trigeminal N A: elevate and RETRACT mandible

Question 32

Masseter

Answer 32

I: masseteric branch, mandibular division, trigeminal N A: elevate and PROTRACT mandible

Question 33

Medial Pterygoid

Answer 33

I: medial pterygoid branch, mandibular division, trigeminal N A: elevate and protract mandible; assists in gliding or rotatory movement

Question 34

Lateral Pterygoid

Answer 34

I: lateral pterygoid branch, mandibular division, trigeminal N A: protracts mandible; pulls discs forward; depress chin and assist in gliding or rotatory movement

Question 35

Anterior Scalene

Answer 35

I: ventral rami C2-C6

Question 36

Middle Scalene

Answer 36

I: ventral Rami C3-C8

Question 37

Serratus Posterior Inferior

Answer 37

I: intercostal N, ventral raimi T9-T11, subcostal N, ventral ramus T12 A: draws lower 4 ribs down and back; forced inspiration

Question 38

Serratus Posterior Superior

Answer 38

I: intercostal N ventral rami T2-T5 A: elevate upper 5 ribs in inspiration

Question 39

Quadratus Lumborum

Answer 39

I: ventral rami T12, L1-L3 or L4 A: steadies origin of diaphragm; when pelvis is fixed, it will laterally fle the L spine; bilaterally extends the L spine; stabilizes and dreesses the 12th rib