unit 5: spinal nerves, cerival posterior rami

Question 1

this nerve does NOT split, and there is no dermatome bc NO SENSORY info

Answer 1

C1/suboccipital

Question 2

C1/subocc lends MOTOR (only) supply to the suboccipital muscles:

Answer 2

rectus capitis posterior major AND minor
obliquus capitis superior AND inferior
semispinalis capitis

Question 3

C2-C8 nerves split into __ & __ branches

Answer 3

medial

lateral

Question 4

medial branch of C2 AKA

Answer 4

greater occipital nerve

Question 5

the medial branch of C2 (greater occipital) gets SENSORY innervation to:

Answer 5

posterior neck AND scalp

Question 6

the lateral branch of C2 AND C3 lends MOTOR supply to:

Answer 6

semispinalis capitis
longissimus capitis
splenius capitis

Question 7

medial branch of C3 aka

Answer 7

third (least) occipital nerve

Question 8

sensory supply from the skin of the posterior neck (only) is from the medial branches of both:

Answer 8

C3

C4-C8

Question 9

lateral branches of C4-C8 lend MOTOR supply to:

Answer 9

iliocostalis cervicis

longissimus cervicis AND capitis