Brachial Plexus 1 & 2

Question 1

brachial plexus

Answer 1

network of nerves that lives in the armpit (axilla)

-controls movement and sensation in the upper extremity (arm & hand)

Question 2

Contents of the axilla

Answer 2

1. brachial plexus
2. axillary fat & fascia
3. Axillary vessels & branches
4. Axillary lymph nodes

Question 3

What nerves come out of a root?

Answer 3

• dorsal scapular

- long thoracic nerve

Question 4

what does the dorsal scapular nerve pierce?

Answer 4

middle scalene muscle

Question 5

what does the suprascapular nerve pass under?

Answer 5

transverse scapular ligament from superior or upper trunk

Question 6

dermatome

Answer 6

sensory band served by one dorsal root