Cervical spinal nerves

Question 1

C3 dorsal rami

Answer 1

Medial branch (3rd occipital N).

S, PostGS

Skin over suboccipital traingle

Lateral: S, PostGS, LMN overlying neck muscles of occipital triangle

Question 2

Suboccopital N.

Answer 2

Dorsal Rami C1

Muscular: S, PostGS, LMN

semisimpanis capitis, inferior oblique, superior oblique, rectus capitis posterior M and m

Cutaneous branch

Question 3

Great auricular n.

Answer 3

C2,3 Ventral rami

S, PostGS

skin overlying upper SCM, lower parotid region and ear

Question 4

Sensory branches of Ventral rami

(non-cutaneous)

Answer 4

Proprioceptive to trapezius m.

Proprioceptive to SCM m.

S and postGS

Question 5

Superior root ansa cervicalis

Answer 5

Ventral rami C1

Superior belly of omohyoid

Question 6

N. to thyrohyoid M.

Answer 6

C1 ventral rami

S, PostGS, LMN

thyrohyoid m.

Question 7

Phrenic N.

Answer 7

Ventral rami C3-5

S, PostGS, LMN

Diaphragm, pleura,

Question 8

N to Genihyoid M.

Answer 8

C1 Ventral Rami

S, PostGS, LMN

Geniohyoid M.

Question 9

Supraclavicular N.

Answer 9

C3-4 ventral rami

S and PostGS

skin over anterior neck and upper thorax

Question 10

Misc. muscular branches of ventral rami

Answer 10

S, PostGS, LMN

Longus capitis, longus colli, anterior, middle posterior scalene m.

Question 11

Lesser occiptial N.

Answer 11

C2 ventral rami

Skin over posterior-lateral head and upper neck

Question 12

Transverse Cervical N.

Answer 12

C2,3 ventral rami

S, PostGS

skin over lower SCM and anterior neck

Question 13

C4-8 Dorsal Rami

Answer 13

Medial: S and PostGS of skin over cervical vertebrae

Latera: S, PostGS, LMN overlying neck muscles

Question 14

Greater Occipital N.

Answer 14

C2 dorsal rami

Medial Branch: S, PostGS

Skin over back of head

Lateral Branch: S, PostGS, LMN

spenius capitis, longissimus capitis, semispinalis capitis

Question 15

Inferior root of ansa cervicalis

Answer 15

ventral rami C2-3

S, PostGS, LMN

Sternohyoid

Sternothryoid

inferior belly of omohyoid