5/24 nerves for IBM and SOtri

Question 1

dorsal rami

Answer 1

• pr of C3-C7
• pass segmentally to muscles and skin
• intrinsic muscles of back ans overlying skin adjacent to vc

Question 2

spinal accessory

Answer 2

Somatic Motor to SCM and traps

Question 3

dorsal scapular nerve

Answer 3

• ar of C5 with contribution to C4
• pierces scalene
• descends deep to levator scapulae and rhomboids

Question 4

greater occipital nerve

Answer 4

• pr of C2
• emerges inf to obl cap inferior and ascends fo posterior scalp
• skin over neck ans occipital bone

Question 5

suboccipital nerve

Answer 5

• pr of C1
• runs btw cranium and C1 vetebra to reach suboccipital triangle
• muscles of suboccipital triangle