spinal lab innervations

Question 1

trapezius

Answer 1

spinal accessory nerve, C1-C5 cord levels

Question 2

latissimus dorsi

Answer 2

thoracodorsal nerve, ventral rami C6-C8

Question 3

levator scapula

Answer 3

dorsal scapular nerve, ventral ramus C5 + ventral rami C3,4

Question 4

rhomboid major and minor

Answer 4

dorsal scapular nerve, ventral ramus C5 + C4

Question 5

splenius capitis

Answer 5

dorsal rami C3-C5

Question 6

splenius cervicis

Answer 6

dorsal rami C5-C7

Question 7

iliocostalis lumborum

Answer 7

dorsal rami lower T, all L

Question 8

iliocostalis thoracis

Answer 8

dorsal rami T1-T6

Question 9

iliocostalis cervicis

Answer 9

dorsal rami T1, T2 rarely C8

Question 10

longissimus thoracis

Answer 10

dorsal rami T & L nerves

Question 11

longissimus cervicis

Answer 11

dorsal rami C4-C8; T1-2

Question 12

longissimus capitis

Answer 12

dorsal rami C1-3, sometimes C4

Question 13

spinalis thoracis

Answer 13

dorsal rami T and upper L

Question 14

spinalis cervicis

Answer 14

dorsal rami C

Question 15

spinalis capitis

Answer 15

dorsal rami lower C, upper T

Question 16

semispinalis thoracis

Answer 16

dorsal rami T1-T6

Question 17

semispinalis cervicis

Answer 17

dorsal rami C6-C8

Question 18

semispinalis capitis

Answer 18

dorsal rami C1-C6

Question 19

multifidus

Answer 19

dorsal rami C3-C8, T1-T12, L1-L5, sometimes S1

Question 20

what 4 muscles are innervated by suboccipital nerve dorsal ramus C1

Answer 20

rectus capitis posterior major
rectus capitis posterior minor
obliquus capitis inferior
obliquus capitis superior

Question 21

quadratus lumborum

Answer 21

ventral rami T12, L1-L3 or L4

Question 22

serratus posterior superior

Answer 22

intercostal nerves, VR T2-T5

Question 23

serratus posterior inferior

Answer 23

intercostal nerves, VR T9-T11

subcostal nerves, VR T12

Question 24

longus colli

Answer 24

ventral rami C2-C6, sometimes C7

Question 25

longus capitis

Answer 25

ventral rami C1-C3

Question 26

rectus capitis anterior

Answer 26

ventral rami C1, C2

Question 27

rectus capitis lateralis

Answer 27

ventral rami C1, C2

Question 28

anterior scalene

Answer 28

ventral rami C2-C6

Question 29

middle scalene

Answer 29

ventral rami C3-C8

Question 30

posterior scalene

Answer 30

ventral rami C6-C8