Brachial Plexus

Question 1

What are the nerve roots of the spinal

Answer 1

C5, C6, C7, C8, T1

Question 2

Where does the long thoracic nerve come from

Answer 2

Roots combine C5, C6, C7

Question 3

What happens at the trunks

Answer 3

C5 and C6 combine = superior
C7 = middle
C8 and T1 = inferior

Question 4

At divisions what happens

Answer 4

Each superior/middle and inferior branches divide into anterior and posterior

Question 5

What combines to form cords

Answer 5

Anterior of superior and anterior of middle combine to form lateral cord

Posterior of all divisions form posterior cord

Anterior of inferior division to form medial cord

Question 6

What does the lateral cord branch off to form

Answer 6

Musculocutaneous nerve

Question 7

What does the lateral and medial cord combine to form

Answer 7

Median nerve

Question 8

What does the posterior cord branch off to form

Answer 8

Axillary nerve
Radial nerve

Question 9

What does the medial cord branch off to form

Answer 9

Ulnar nerve