Spinal 2, Pract 1 Innervation/Action

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 rami C3, C4

Question 4

Rhomboid Major (Innervation)

Answer 4

dorsal scapular nerve, ventral ramus C5 plus ventral ramus C4

Question 5

Rhomboid Minor (Innervation)

Answer 5

dorsal scapular nerve, ventral ramus C5 plus ventral ramus C4

Question 6

Splenius Capitis (Innervation)

Answer 6

dorsal rami C3-C5

Question 7

Splenius Cervicis (Innervation)

Answer 7

dorsal rami C5-C7

Question 8

Iliocostalis Lumborum (Innervation)

Answer 8

dorsal rami lower T, all L

Question 9

Iliocostalis Thoracis (Innervation)

Answer 9

dorsal rami T1-T6

Question 10

Iliocostalis Cervicis (Innervation)

Answer 10

dorsal rami T1, T2; rarely C8

Question 11

Longissimus Thoracis (Innervation)

Answer 11

dorsal rami T & L nerves

Question 12

Longissimus Cervicis (Innervation)

Answer 12

dorsal rami C4-C8; T1-T2

Question 13

Longissimus Capitis (Innervation)

Answer 13

dorsal rami C1-C3; sometimes C4

Question 14

Spinalis Thoracis (Innervation)

Answer 14

dorsal rami T & upper L

Question 15

Spinalis Cervicis (Innervation)

Answer 15

dorsal rami C

Question 16

Spinalis Capitis (Innervation)

Answer 16

dorsal rami lower C, upper T

Question 17

Semispinalis Thoracis (Innervation)

Answer 17

dorsal rami T1-T6

Question 18

Semispinalis Cervicis (Innervation)

Answer 18

dorsal rami C6-C8

Question 19

Semispinalis Capitis (Innervation)

Answer 19

dorsal rami C1-C6

Question 20

Multifidus (Innervation)

Answer 20

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

Question 21

Rectus Capitis Posterior Major (Innervation)

Answer 21

suboccipital nerve, dorsal ramus C1

Question 22

Rectus Capitis Posterior Minor (Innervation)

Answer 22

suboccipital nerve, dorsal ramus C1

Question 23

Obliquus Capitis Superior (Innervation)

Answer 23

suboccipital nerve, dorsal ramus C1

Question 24

Obliquus Capitis Inferior (Innervation)

Answer 24

suboccipital nerve, dorsal ramus C1

Question 25

Quadratus Lumborum (Innervation)

Answer 25

ventral rami T12, L1-L3 or L4

Question 26

Serratus Posterior Superior (Innervation)

Answer 26

intercostal nerves, ventral rami T2-T5

Question 27

Serratus Posterior Inferior (Innervation)

Answer 27

intercostal nerves, ventral rami T9-T11

Question 29

Longus Colli (Innervation)

Answer 29

ventral rami C2-C6, sometimes C7

Question 30

Longus Capitis (Innervation)

Answer 30

ventral rami C1-C3

Question 31

Rectus Capitis Anterior (Innervation)

Answer 31

ventral rami C1, C2

Question 32

Rectus Capitis Lateralis (Innervation)

Answer 32

ventral rami C1, C2

Question 33

Anterior Scalene (Innervation)

Answer 33

ventral rami C2-C6

Question 34

Middle Scalene (Innervation)

Answer 34

ventral rami C3-C8

Question 35

Posterior Scalene (Innervation)

Answer 35

ventral rami C6-C8

Question 36

Splenius Capitis (Action)

Answer 36

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

Question 37

Splenius Cervicis (Action)

Answer 37

laterally flex and rotate neck; bilaterally extend neck

Question 38

Iliocostalis Lumborum (Action)

Answer 38

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

Question 39

Iliocostalis Thoracis (Action)

Answer 39

extension, lateral flexion T spine

Question 40

Iliocostalis Cervicis (Action)

Answer 40

extension, lateral flexion, rotation lower C spine

Question 41

Longissimus Thoracis (Action)

Answer 41

lateral flexion T spine and ribs; bilaterally act in extension of T and L spine, hold T and L spine erect; lateral movement of pelvis

Question 42

Longissimus Cervicis (Action)

Answer 42

lateral flexion of neck; bilaterally extend neck

Question 43

Longissimus Capitis (Action)

Answer 43

rotate and laterally flex head; bilaterally extend head

Question 44

Spinalis Thoracis (Action)

Answer 44

extend T spine

Question 45

Spinalis Cervicis (Action)

Answer 45

lateral flexion and rotation of C spine; bilaterally extend neck

Question 46

Spinalis Capitis (Action)

Answer 46

lateral flexion and rotation of head; bilaterally extend head

Question 47

Semispinalis Thoracis (Action)

Answer 47

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

Question 48

Semispinalis Cervicis (Action)

Answer 48

extension, rotation, and lateral flexion of C spine; bilaterally extend neck

Question 49

Semispinalis Capitis (Action)

Answer 49

turns face to side; bilaterally extends head (neck inadvertently)

Question 50

Rectus Capitis Posterior Major (Action)

Answer 50

turns face to side; bilaterally extends head

Question 51

Rectus Capitis Posterior Minor (Action)

Answer 51

extends head

Question 52

Obliquus Capitis Superior (Action)

Answer 52

lateral flexion of head; bilaterally extends head

Question 53

Obliquus Capitis Inferior (Action)

Answer 53

turns face to side

Question 54

Quadratus Lumborum (Action)

Answer 54

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

Question 55

Serratus Posterior Superior (Action)

Answer 55

elevate upper 5 ribs in inspiration

Question 56

Serratus Posterior Inferior (Action)

Answer 56

draws lower 4 ribs down and back; forced inspiration

Question 57

Longus Colli (Action)

Answer 57

flexion and extension of neck; rotation to the contralateral side

Question 58

Longus Capitis (Action)

Answer 58

flex the head

Question 59

Rectus Capitis Anterior (Action)

Answer 59

flex the head

Question 60

Rectus Capitis Lateralis (Action)

Answer 60

laterally flex the head to ipsilateral side