Brachial Plexus

Question 1

Dorsal scapular nerve

Answer 1

Rhomboids, Levator scapulae

Question 2

Long thoracic nerve

Answer 2

Serratus anterior

Question 3

Nerve to subclavius

Answer 3

Subclavius

Question 4

Suprascapular nerve

Answer 4

Infraspinatus, supraspinatus

Question 5

Lateral pectoral nerve

Answer 5

Pec major (clavicular head)

Question 6

Musculocutaneous nerve

Answer 6

Coracobrachialis, biceps brachii, brachialis

Question 7

Median nerve

Answer 7

Flexor muscles in the forearm (except flexor carpi ulnaris) and 5 muscles in the hand

Question 8

Medial pectoral nerve

Answer 8

Pec major and pec minor

Question 9

Ulnar nerve

Answer 9

Flexor carpi ulnaris, flexor digitorum profundus, most small muscles of the hand

Question 10

Upper subscapular nerve

Answer 10

Subscapularis

Question 11

Thoracodorsal nerve

Answer 11

Lats

Question 12

Lower subscapular nerve

Answer 12

Subscapularis, teres MAJOR

Question 13

Axillary nerve

Answer 13

Deltoid, teres MINOR

Question 14

Radial nerve

Answer 14

Brachioradialis, triceps, supinator, wrist extensors, anconeus

Question 15

Trunks

Answer 15

Superior
Middle
Inferior

Question 16

Divisions

Answer 16

Anterior

Posterior

Question 17

Cords

Answer 17

Lateral
Posterior
Medial

Question 18

Branches

Answer 18

Musculocutaneous
Median
Ulnar
Axillary
Radial

Question 19

Rhomboids and levator scapulae innervated by

Answer 19

Dorsal scapular nerve

Off of C5 ramus

Question 20

Serratus anterior innervated by

Answer 20

Long thoracic nerve

off of C567 rami

Question 21

Subclavius innervated by

Answer 21

Nerve to subclavius

off of superior trunk - C56

Question 22

Infraspinatus and supraspinatus innervated by

Answer 22

Suprascapular nerve

off of superior trunk - C56

Question 23

Pec major innervated by

Answer 23

Lateral pectoral nerve (clavicular head) (off of lateral cord C567)
AND
Medial pectoral nerve (off of medial cord C8T1)

Question 24

Coracobrachialis, biceps brachii, and brachialis innervated by

Answer 24

Musculocutaneous nerve (off of lateral cord - C567)

Question 25

Flexor muscles in forearm and 5 muscles in the hand innervated by

Answer 25

Median nerve (from lateral and medial cords - C5678T1)

Question 26

Pec minor innervated by

Answer 26

Medial pectoral nerve (off of medial cord C8T1)

Question 27

Flexor carpi ulnaris, flexor digitorum profundus, and most small muscles of hand innervated by

Answer 27

Ulnar nerve (off of medial cord - C8T1)

Question 28

Subscapularis innervated by

Answer 28

Upper and lower subscapular nerves (off of posterior cord - C5678)

Question 29

Lats innervated by

Answer 29

Thoracodorsal nerve (off of posterior cord - C5678)

Question 30

Teres major innervated by

Answer 30

Lower subscapular nerve (off of posterior cord - C5678)

Question 31

Deltoid and teres minor innervated by

Answer 31

Axillary nerve (off of posterior cord - C5678)

Question 32

Brachioradialis, triceps, supinator, wrist extensors, and anconeus innervated by

Answer 32

Radial nerve (off of posterior cord - C5678)