Musculocutaneous nerve

Question 1

What does the musculocutaneous nerve do after it leaves the axilla?

Answer 1

Pierces the coracobrachialis muscle, distally

Question 2

What does the musculocutaneous nerve do after piercing the distal coracobrachialis muscle?

Answer 2

Travels down arm
anterior to brachialis
deep to biceps brachii

Question 3

Where does the musculocutaneous nerve emerge between?

Answer 3

Laterally to biceps tendon

Question 4

What does the musculocutaneous nerve do after it emerges?

Answer 4

Continues into forearm as lateral cutaneous nerve

Question 5

What are the motor functions of the musculocutaneous nerve?

Answer 5

Innervate biceps brachii
brachialis
coracobrachialis muscles

Question 6

What are the sensory functions of the musculocutaneous nerve?

Answer 6

Gives rise to lateral cutaneous nerve for forearm

which innervates the anterior and posterior lateral forearm

Question 7

What does the lateral cutaneous nerve of forearm do after it emerges?

Answer 7

Goes deep into forearm

then pierces deep fascia to become subcutaneous

Question 8

What does the lateral cutaneous nerve of forearm travel close to?

Answer 8

Cephalic vein