Nerves Innervation- Upper Extremity

Question 1

Dorsal Scapular Nerve

Answer 1

Origin: From Rami of Brachial Plexus

Ms: Rhomboids
Levator Scapulae

Question 2

Long Thoracic Nerve

Answer 2

Origin: Rami of Brachial Plexus

Ms: Serrates Anterior

Question 3

Nerve to subclavius

Answer 3

Origin: trunk of plexus

Ms: Subclavius

Question 4

Suprascapular N.

Answer 4

Origin: trunks of plexus

Ms: Infraspinatus
Supraspinatus

Question 5

Lateral pectoral

Answer 5

Origin: From lateral cord of plexus

Ms: Pec major-clavicular head

Question 6

Musculocutaneous

Answer 6

Origin:From lateral cord of plexus

Ms: Coracobrachialis
Biceps brachii
Brachialis

Question 7

Lateral root of median nerve

Answer 7

origin:From lateral cord of plexus

Ms: Flexor muscles in forearm, except flexor carpi ulnas, and five muscles in the hand

Question 8

Medial Pectoral

Answer 8

origin:Medial cord of plexus

Ms: Pec major
Pec minor

Question 9

Ulnar Nerve

Answer 9

origin:Medial cord of plexus

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

Question 10

Medial root of the median

Answer 10

Origin: Medial cord of plexus

Ms: Flexor muscles in the forearm, except flexor carpi ulnaris, and five muscles of the hand

Question 11

Upper subscapular

Answer 11

Origin: posterior cord of the plexus

Muscles: subscapular

Question 12

Thoracodorsal

Answer 12

Origin: posterior cord of the plexus

Muscles: Latissimus dorsi

Question 13

Lower subscapular

Answer 13

Origin: posterior cord of the plexus

Muscles: subscapularis, teres major

Question 14

Axillary Nerve

Answer 14

Origin: posterior cord of the plexus

Muscles: Deltoid
Teres Minor

Question 15

Radial Nerve

Answer 15

Origin: posterior cord of the plexus

Muscles: Brachioradialis, Triceps, Supinator, Wrist extensors, Anconeus