Major Nerves of Upper Limb x4

Question 1

Musculocutaneous

Answer 1

Muscles of anterior brachial compartment (biceps brachii, coracobrachialis & brachialis)
Pierces coracobrachialis in upper half
Pierces fascia lateral to biceps tendon

Question 2

Ulnar

Answer 2

Anterior flexors of the ulnar side of forearm
Starts in anterior brachial compartment&raquo_space; runs medial to brachial artery
Pierces medial intermuscular septum

Question 3

Radial

Answer 3

• Extensor muscles of posterior brachial compartment, wrist & hand
• Supplies the brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis
• Goes behind axillary artery
• supports movements of elbow, hand, & radioulnar joint

Question 4

Median

Answer 4

Flexor muscles of radial side of forearm

Travels with brachial artery

Question 5

Axillary nerve

Answer 5

Innervates deltoid and teres minor
Closely associated with humerous**
Injured from fracture of surgical neck of humerus, dislocation of glenohumeral joint & compression, incorrect use of crutches, intramuscular injection of drugs