Innervation of the upper limb

Question 1

what nerve(s) innervate the anterior axo-appendicular muscles?

Answer 1

medial and lateral pectoral nerves (pectoralis major, pectoralis minor)
nerve to subclavius (subclavius)
long thoracic nerve (serratus anterior)

Question 2

what nerve(s) innervate the posterior axo-appendicular muscles?

Answer 2

CN XI & cervical spinal nerves C3-C4 (trapezius)
thoracodorsal nerve (latissimus dorsi)
dorsal scapular nerve & cervical spinal nerves (levator scapulae)
dorsal scapular nerve (rhomboids major and minor)

Question 3

what nerve(s) innervate the intrinsic shoulder muscles?

Answer 3

axillary nerve (deltoid)
lower subscapular nerve (teres major)

Question 4

what nerve(s) innervate the rotator cuff mucles?

Answer 4

suprascapular nerve (supraspinatus and infraspinatus)
axillary nerve (teres minor)
subscapular nerve (subscapularis)

Question 5

what nerve(s) innervate the anterior arm muscles?

Answer 5

musculocutaneous nerve (coracobrachialis, biceps brachii, brachialis)
radial nerve (brachioradialis)

Question 6

what nerve(s) innervate the posterior arm muscles?

Answer 6

radial nerve (triceps brachii, anconceous)

Question 7

what nerve(s) innervate the anterior forearm muscles?

Answer 7

median nerve (pronator teres, flexor carpi radialis, palmaris longus, flexor digitorum superficialis, flexor pollicis longus, pronator quadratus)
Median and ulnar nerve (flexor digitorum profundus)
ulnar nerve (flexor carpi ulnaris)

Question 8

what nerve(s) innervate the posterior forearm muscles?

Answer 8

radial nerve

Question 9

what nerve(s) innervate the thenar muscles

Answer 9

median nerve (abductor pollicis brevis, flexor pollicis brevis, opponens pollicis)
ulnar nerve (adductor pollicis)

Question 10

what nerve(s) innervate the hypothenar muscles

Answer 10

ulnar nerve

Question 11

what nerve(s) innervate the mid-palmar muscles

Answer 11

median and ulnar nerve (lumbricals)
ulnar nerve (palmar and dorsal interossei)