Back Innervation

Question 1

Serratus Posterior Inferior

Answer 1

Intercostal n.’s 9 - 11 and Subcostal T12 n.

Question 2

Serrates Posterior Superior

Answer 2

Intercostal n.’s 2-5

Question 3

Rectus Capitis Posterior Minor

Answer 3

Suboccipital n.; dorsal ramus of C1

Question 4

Rectus Capitis Posterior Major

Answer 4

Suboccipital n.; dorsal ramus of C1

Question 5

Obliquus Capitis Superior

Answer 5

Suboccipital n.; dorsal ramus of C1

Question 6

Obliquus Capitis Inferior

Answer 6

Suboccipital n.; dorsal ramus of C1

Question 7

Latissimus Dorsi

Answer 7

Thoracodorsal n. C6-C8

Question 8

Longissimus

Answer 8

Dorsal rami of the lower cervical, and the thoracic and lumbar spinal nerves

Question 9

Spinalis

Answer 9

Dorsal rami of the lower cervical, and the thoracic spinal nerves

Question 10

Intertrasverarii

Answer 10

Dorsal and ventral rami of spinal nerves

Question 11

Interspinales

Answer 11

Dorsal rami of spinal nerves

Question 12

Lavatores Costarum

Answer 12

Dorsal rami of spinal nerves

Question 13

Rotatores

Answer 13

Dorsal rami of cervical, thoracic and lumbar spinal nerves

Question 14

Multifidus

Answer 14

Dorsal rami of cervical, thoracic, and lumbar spinal nerves

Question 15

Semispinalis

Answer 15

Dorsal rami of cervical, thoracic, and lumbar spinal nerves

Question 16

Iliocostalis

Answer 16

Dorsal rami of the lower cervical and the thoracic and upper lumbar spinal nerves

Question 17

Splenius Cervicis

Answer 17

Dorsal rami of the lower cervical spinal nerves

Question 18

Splenius Capitis

Answer 18

dorsal rami of the middle cervical spinal nerves

Question 19

Trapezius

Answer 19

Spinal accessory nerve (CN XI) and C3, C4