Spinal lab practical a/i #1

Question 1

Trapezius innervation

Answer 1

spinal accessory nerve, C1-C5 cord levels

Question 2

Latissimus dorsi innervation

Answer 2

thoracodorsal nerve, ventral rami C6-C8

Question 3

Levator scapulae innervation

Answer 3

dorsal scapular nerve, ventral ramus C5

plus ventral ramus C3, C4

Question 4

Rhomboid major

Answer 4

dorsal scapular nerve, ventral ramus C5

plus ventral ramus C4

Question 5

Rhomboid minor

Answer 5

dorsal scapular nerve, ventral ramus C5

plus ventral ramus C4

Question 6

Splenius capitis

Answer 6

dorsal rami C3-C5

Question 7

Splenius cervicis

Answer 7

dorsal rami C5-C7

Question 8

Iliocostalis lumborum

Answer 8

dorsal rami lower T, all L

Question 9

Iliocostalis thoracis

Answer 9

dorsal rami T1-T6

Question 10

Iliocostalis cervicis

Answer 10

dorsal rami T1, T2; rarely C8

Question 11

Longissimus thoracis

Answer 11

dorsal rami T & L nerves

Question 12

Longissimus cervicis

Answer 12

dorsal rami C4-C8; T1-T2

Question 13

Longissimus capitis

Answer 13

dorsal rami C1-C3, sometimes C4

Question 14

Spinalis thoracis

Answer 14

dorsal rami T & upper L

Question 15

Spinalis cervicis

Answer 15

dorsal rami C

Question 16

Spinalis capitis

Answer 16

dorsal rami lower C, upper T

Question 17

Semispinalis thoracis

Answer 17

dorsal rami T1-T6

Question 18

Semispinalis cervicis

Answer 18

dorsal rami C6-C8

Question 19

Semispinalis capitis

Answer 19

dorsal rami C1-C6

Question 20

Multifidus

Answer 20

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

Question 21

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

Answer 21

suboccipital nerve, dorsal ramus C1

Question 22

Quadratus lumborum

Answer 22

ventral rami T12, L1-L3 or L4

Question 23

Serratus posterior superior

Answer 23

intercostal nerves, ventral rami T2-T5

Question 24

Serratus posterior inferior

Answer 24

intercostal nerves, ventral rami T9-T11

subcostal nerve, ventral ramus T12

Question 25

Longus colli

Answer 25

ventral rami C2-C6, sometimes C7

Question 26

Longus capitis

Answer 26

ventral rami C1-C3

Question 27

Rectus capitis anterior and 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

Question 31

Action of splenius capitis

Answer 31

laterally flex head & rotate face to side; bilaterally extend head

Question 32

Action of splenius cervicis

Answer 32

laterally flex & rotate neck; bilaterally extend neck

Question 33

Action of iliocostalis lumborum

Answer 33

extension, lateral flexion, rotation of L spine; lateral movement of pelvis

Question 34

Action of iliocostalis thoracis

Answer 34

extension, lateral flexion of T spine

Question 35

Action of iliocostalis cervicis

Answer 35

extension, lateral flexion, rotation lower C spine

Question 36

Action of longissimus thoracis

Answer 36

lateral flexion T spine & ribs (L spine inadvertently); bilaterally act in extension of T&L spine, hold T&L spine erect (increases lordosis); lateral movement of pelvis

Question 37

Action of longissimus cervicis

Answer 37

lateral flexion of neck; bilaterally extend neck

Question 38

Action of longissimus capitis

Answer 38

rotate & laterally flex head; bilaterally extend neck

Question 39

Action of spinalis thoracis

Answer 39

extend T spine

Question 40

Action of spinalis cervicis

Answer 40

lateral flexion & rotation of C spine; bilaterally extend neck

Question 41

Action of spinalis capitis

Answer 41

lateral flexion & rotation of head; bilaterally extend head

Question 42

Action of semispinalis thoracis

Answer 42

extension, rotation, & lateral flexion of upper T & lower C spine; bilaterally extend T spine

Question 43

Action of semispinalis cervicis

Answer 43

extension, rotation, & lateral flexion of C spine; bilaterally extends head