UE Innervations and actions

Question 1

Dorsal Scapular

Answer 1

• C5

1. Rhomboids
2. Levator Scapulae

Question 2

Long Thoracic

Answer 2

• C5, 6, 7

1. Serratus Anterior

Question 3

Nerve to Subclavius

Answer 3

• C5, 6

1. subclavius

Question 4

Suprascapular

Answer 4

• C5, 6

1. infraspinatus
   2 supraspinatus

Question 5

Lateral Pectoral

Answer 5

• C5, 6, 7

1. pec major (clavicular head)

Question 6

musculocutaneus

Answer 6

• C5, 6, 7

1. coracobrachialis
2. biceps brachii
3. brachialis

Question 7

lateral/medial root of the median

Answer 7

• C5, 6, 7, 8

1. flexor muscles in the forearm (except carpi ulnaris)
2. 5 muscles of the hand

Question 8

Medial Pectoral

Answer 8

• C8, T1

1. pec major
   2 pec minor

Question 9

Ulnar

Answer 9

• C7

1. Flecor carpi ulnaris
2. Flexor digitorum profundus
3. most small muscles of the hand

Question 10

Upper subscapular

Answer 10

• C5, 6

1. subscapularis

Question 11

Thoracodorsal

Answer 11

• C6, 7

1. latissimus dorsi

Question 12

Lower subscapular

Answer 12

• C5, 6

1. subscpularis
2. teres major

Question 13

Axillary

Answer 13

• C5, 6

1. Deltoid
2. Teres minor

Question 14

Radial

Answer 14

• C5, 6, 7, 8, T1

1. Brachioradialis
2. Triceps
3. Supinaor
4. Wrist Extensors
5. Anconeus