Brachial Plexus

Question 1

Muscle supply of subscapular nerve (C7)?

Answer 1

Subscapular muscle (occasionally double nerve supply)

Question 2

Muscle supply of suprascapular nerve (C6-C7)?

Answer 2

Supraspinatus & infraspinatus muscles

Question 3

Muscle supply of axillary nerve (C8)?

Answer 3

Teres major & Teres minor, AND deltoideus muscle

Question 4

Muscle supply of radial nerve (C7-T1)?

Answer 4

Triceps (all heads), tensor, antibrachii & anconeus
…then continues distally to supply:
Antebrachial extensor group (x4), supinator, and abductor pollicis longus

Question 5

Muscle supply of musculocutaneous nerve (C7-C8)?

Answer 5

Coracobrachialis and biceps and brachialis

Question 6

Muscle supply of median nerve (C8-T1)?

Answer 6

Supplies all flexors except flexor carpi ulnaris. Also supplies pronator teres

Question 7

Muscle supply of ulnar nerve (C8-T2)?

Answer 7

Ulnar carpal flexor and deep digital flexor

Question 8

Muscle supply of Lateral thoracic nerve?

Answer 8

Cutaneous muscle on lateroventral thorax & abdomen