Spinal lab innervations

Question 1

Trapezius

Answer 1

spinal accessory nerve, C1-C5 cord levels

Question 2

Lattissimus dorsi

Answer 2

thoracodorsal nerve, ventral rami C6-C8

Question 3

Levator Scapulae

Answer 3

dorsal scapular nerve, ventral ramus C5 plus ventral rami 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 capitis

Answer 18

dorsal rami C1-C6

Question 19

Multifidus

Answer 19

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

Question 20

Rectus Capitis posterior major

Answer 20

suboccipital nerve, dorsal ramus C1

Question 21

Rectus Capitis posterior minor

Answer 21

suboccipital nerve, dorsal ramus C1

Question 22

Obliquus Capitis Superior

Answer 22

suboccipital nerve, dorsal ramus C1

Question 23

Obliquus Capitis inferior

Answer 23

suboccipital nerve, dorsal ramus C1

Question 24

Qudratus lumborum

Answer 24

ventral rami T12, L1-L3 or L4

Question 25

Serratus Posterior superior

Answer 25

intercostal nerves, Ventral rami T2-T5

Question 26

Serratus posterior inferior

Answer 26

intercostal nerves , ventral rami T9-T11 | subcostal nerve, ventral ramus T12

Question 27

Longus Colli

Answer 27

ventral rami C2-C6 sometimes C7

Question 28

Longus Capitis

Answer 28

ventral rami C1-C3

Question 29

Rectus Capitis Anterior

Answer 29

ventral rami C1,C2

Question 30

Rectus Capitis lateralis

Answer 30

ventral rami C1,C2

Question 31

Anterior scalene

Answer 31

Ventral rami C2-C6

Question 32

Middle Scalene

Answer 32

ventral rami C3-C8

Question 33

Posterior Scalene

Answer 33

Ventral rami C6-C8

Question 34

Splenius Capitis

Answer 34

Laterally flex head & rotate face to side; | Bilaterally extend head

Question 35

Splenius Cervicis

Answer 35

Laterally flex & rotate neck; | Bilaterally extend neck

Question 36

Iliocostalis lumborum

Answer 36

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

Question 37

Ilicostalis Thoracis

Answer 37

Extension, Lateral flexion T spine

Question 38

Ilicostalis Cervicis

Answer 38

Extension, lateral flexion, rotation of lower C spine

Question 39

Longissimus Thoracis

Answer 39

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

Question 40

Longissimus Cervicis

Answer 40

lateral flexion of neck; | bilaterally extend neck

Question 41

Longissimus Capitis

Answer 41

rotate & laterally flex head; | bilaterally extend head

Question 42

Spinalis Thoracis

Answer 42

extend T spine

Question 43

Spinalis Cervicis

Answer 43

lateral flexion & rotation of C spine | bilaterally extend neck

Question 44

Spinalis Capitis

Answer 44

lateral flexion & rotation of of head | bilaterally extend head

Question 45

Semispinalis thoracis

Answer 45

Extension, rotation, & lateral flexion of upper T and lower C spine Bilaterally extend T spine

Question 46

Semispinalis Cervicis

Answer 46

Extension, rotation, & lateral flexion of C spine | bilaterally extend neck

Question 47

Semispinalis Capitis

Answer 47

turns face to side, | bilaterally extends head (neck inadvertently)

Question 48

Rectus Capitis Posterior Major

Answer 48

turns face to side | bilaterally extends head

Question 49

Rectus Capitis Posterior minor

Answer 49

extends head

Question 50

Obliquus capitis superior

Answer 50

lateral flexion of head; | bilaterally extends head

Question 51

Obliquus capitis inferior

Answer 51

turns face to side

Question 52

Quadratus lumborum

Answer 52

steadies origin of diaphragm; when pelvis is fixed, it will laterally flex the L spine; bilaterally extends the L spine; stabilizes & depresses the 12th rib

Question 53

Serratus Posterior Superior

Answer 53

elevate upper 5 ribs in inspiration

Question 54

Serratus posterior inferior

Answer 54

draws lower 4 ribs down and back; forced inspiration

Question 55

Longus Colli

Answer 55

flexion & extension of neck; rotation to the contralateral side

Question 56

Longus Capitis

Answer 56

flex the head

Question 57

Rectus Capitis Anterior

Answer 57

flex the head

Question 58

Rectus Capitis Lateralis

Answer 58

laterally flex the head to the ipsilateral side