Upper limb dermatomes and myotomes

Question 1

What enters brachial plexus

Answer 1

anterior rami C5-T1 that supply upper limbs

Question 2

Where are dermatomes for C4 and T2

Answer 2

adjacent to each other on anterior trunk

Question 3

Anterior rami of the spinal nerves supply both the

Answer 3

vertebral (anterior) and dorsal (posterior) skin of upper and lower limbs

Question 4

axons from a single spinal nerve can

Answer 4

follow multiple different routes through the plexus and therefore emerge in several different peripheral nerves

Question 5

cutaneous distribution of nerves in hand

Answer 5

Question 6

Dermatomes

Answer 6

Question 7

Axons that originate in C6 supply

Answer 7

C6 dermatome and median nerve territory

Question 8

Axons from C7 supply

Answer 8

C7 dermatome and the median nerve territory

Question 9

Fibres from C5,C6 and C7 join to form

Answer 9

musculocutaneous nerve (supplies skin of lateral forearm)

Question 10

Cutaneous innervation of the right upper limb

Answer 10

Question 11

Myotomes of the upper limb

Answer 11

Question 12

Draw brachial plexus