Head, Neck and Deep Back

Question 1

Serratus Posterior Superior

Answer 1

Ax: Expands Ribcage
N: Intercostal Nn

Question 2

Serratus Posterior Inferior

Answer 2

Ax: Compress Ribcage
N: Intercostal Nn

Question 3

Semispinalis Cervicis

Answer 3

Ax: Extend, Rotate and LATERALLY FLEX vertebral column
N: Dorsal Rami of Spinal Nn

Question 4

Longissimus

Answer 4

Ax: Extend, Rotate and LATERALLY FLEX vertebral column
N: Dorsal Rami of Spinal Nn

Question 5

Spinalis

Answer 5

Ax: Extend, Rotate and LATERALLY FLEX vertebral column
N: Dorsal Rami of Spinal Nn

Question 6

Multifidi (Multifidus is Singular)

Answer 6

Ax: Extend, Rotate and LATERALLY FLEX vertebral column
N: Dorsal Rami of Spinal Nn

Question 7

Rotators

Answer 7

Ax: Extend, Rotate and LATERALLY FLEX vertebral column
N: Dorsal Rami of Spinal Nn

Question 8

Semispinalis Capitis

Answer 8

Ax: Extend, Rotate and LATERALLY FLEX vertebral column
N: Dorsal Rami of Spinal Nn

Question 9

Rectus Minor

Answer 9

Ax: Extend & Rotate Head
N: Suboccipital N

Question 10

Iliocostalis

Answer 10

Ax: Extend, Rotate and LATERALLY FLEX vertebral column
N: Dorsal Rami of Spinal Nn

Question 11

Levator Costae (Levatores Costarum)

Answer 11

Ax: Expand ribcage
N: Dorsal Rami of Spinal Nn

Question 12

Rectus Major

Answer 12

Ax: Extend & Rotate Head
N: Suboccipital N

Question 13

Inferior Oblique

Answer 13

Ax: Extend & Rotate Head
N: Suboccipital N

Question 14

Levator Scapulae

Answer 14

O: Transverse process of cervical vert 1-4
I: Sup angle of scapula
Ax: elevates scapula, rotates scapula downward, laterally flexs neck
N: Dorsal scaplar N
A: Dorsal scapular A

Question 15

Superior Oblique

Answer 15

Ax: Extend & Rotate Head
N: Suboccipital N

Question 16

Anterior Scalene

Answer 16

Ax: Flexes, laterally flexes & rotates neck (i/o expands ribcage)
N: cervical plexus

Question 17

Middle and Posterior Scalene

Answer 17

Ax: Flexes, laterally flexes & rotates neck (i/o expands ribcage)
N: cervical plexus

Question 18

Longus Capaitis

Answer 18

Ax: Flex, laterally flex, & rotate head/neck
N: ventral rami of spinal Nn

Question 19

Splenius Capitis

Answer 19

Ax: Extends, Rotates & Laterally Flexes Head/Neck
N: Dorsal Rami of Spinal Nn

Question 20

Strenocleidomastoid

Answer 20

Ax: Flexes, rotates & laterally flexes neck (i/o expands ribcage)
N: spinal accessory nerve XI

Question 21

Longus Colli

Answer 21

Ax: Flex, laterally flex, & rotate head/neck
N: ventral rami of spinal Nn

Question 22

Infrahyoid Mm

Answer 22

Ax: Depress hyoid, depress & elevate thyroid cart

[N: Hypoglossal N XII & ansa cervicalis]

Question 23

Digastricus

Answer 23

Ax: Depress & retracts mandible (i/o elevates hyoid)

[N]

Question 24

Other Suprahyoid Mm

Answer 24

Ax: Elevate & Retract Hyoid; protract hyoid

[N]

Question 25

Frontalis

Answer 25

Ax: Elevates eyebrows & skin of forehead
N: Facial N VII

Question 26

Orbicularis Oculi

Answer 26

Ax: Closes eye (“screws it closed”), depresses eyebrow
N: Facial N VII

Question 27

Orbicularis Oris

Answer 27

Ax: Closes lips
N: Facial N VII

Question 28

Levator Labii

Answer 28

Ax: Elevates & Everts Upper lip, flares nostrils
N: Facial N VII

Question 29

Depressor Labii

Answer 29

Ax: Depresses Lower Lip
N: Facial N VII

Question 30

Depressor Anguli (Oris)

Answer 30

Ax: Depresses Angle of Lips
N: Facial N VII

Question 31

Zygomaticus

Answer 31

Ax: Elevates upper lip
N: Facial N VII

Question 32

Buccinator

Answer 32

Ax: Compresses cheeks, draws corners of lips laterally
N: Facial N VII

Question 33

Platysma

Answer 33

Ax: tenses integument of ant cervix; depresses angle of lips, depresses mandible
N: Facial N VII

Question 34

Masseter

Answer 34

Ax: Elevates, protrudes & lat deviates mandible
N: Trigeminal V3

Question 35

Temporalis

Answer 35

Ax: Elevates, retracts & lat deviates mandible
N: Trigeminal V3