Nerves and their innervations

Question 1

What does the Axiliary Nerve innervate?

Answer 1

Deltoid, Teres minor

Question 2

What does the Musculocutaneous Nerve innervate?

Answer 2

Biceps brachii, brachialis*, coracobrachialis

Question 3

What does the Radial Nerve innervate? (14)

Answer 3

brachialis, anconeus, triceps brachii, abductor pollicis longus, brachioradialis, extensor carpi radialis brevis, extensor carpi radialis longus, extensor carpi ulnaris, extensor digiti minimi, extensor digitorum, extensor indicis, extensor pollicis brevis, extensor pollicis longus, supinator (deep)

Question 4

What does the Median Nerve innervate? (11)

Answer 4

Flexor carpi radialis, flexor digitorum profundus (lateral portion), flexor digitorum superficialis, flexor pollicis longus, palmaris longus, pronator quadratus, pronator teres, 1st and 2nd lumbrical, abductor pollicis brevis, flexor pollicis brevis, opponens pollicis

Question 5

What does the Ulnar Nerve innervate? (10)

Answer 5

Flexor carpi ulnaris, Flexor digitorum profundus (medial portion), adductor pollicis, abductor digiti minimi, flexor digiti minimi brevis, opponens digiti minimi, dorsal interosseous muscles, palmar interosseous muscles, 3rd and 4th lumbricals, palmaris brevis (superficial palmar branch)

Question 6

What does the Medial Pectoral Nerve innervate?

Answer 6

Major and minor pectoral muscles

Question 7

What does the Lateral Pectoral Nerve innervate?

Answer 7

Major pectoral muscle only

Question 8

What does the Thorocodorsal Nerve innervate? AKA Middle supscapular nerve

Answer 8

Latissimus Dorsi

Question 9

What does the Long Thoracic Nerve innervate?

Answer 9

Serratus Anterior

Question 10

What does the Subclavian Nerve innervate?

Answer 10

Subclavius

Question 11

What does the Lower Subscapular Nerve innervate?

Answer 11

Teres MAJOR, subscapularis

Question 12

What does the Suprascapular Nerve innervate?

Answer 12

Infraspinatous and supraspinatous

Question 13

What does the UPPER subscapular Nerve innervate?

Answer 13

Subscapularis only

Question 14

What does the Suboccipital Nerve innervate? (4)

Answer 14

obliquus capitis inferior, obliquus capitis superior, rectus capitis posterior major, rectus capitis posterior minor

Question 15

What does the Dorsal Scapular Nerve innervate?

Answer 15

Levator scapulae, Rhomboid major and minor

Question 16

What does the ventral rami C3 and C4 Nerve innervate?

Answer 16

Levator scapuale

Question 17

What does the Spinal Accessory Nerve(CN XI) innervate?

Answer 17

Trapezius