Brachial Plexus

Question 0

Long Thoracic

Answer 0

C5, C6, C7

Serratus Anterior

Question 1

Dorsal Scapular

Answer 1

C5

Rhomboids, Levator Scapulae

Question 2

Suprascapular

Answer 2

C5, C6, C7

Supraspinatus, Infraspinatus

Question 3

Subclavian

Answer 3

C6 (often C4)

Subclavius, sternoclavicular joint

Question 4

Lateral Pectoral

Answer 4

C5, C6, C7

Pectoralis Major

Question 5

Musculocutaneous

Answer 5

C5-C7

Coracobrachialis, Biceps Brachii, Brachialis

Question 6

Median

Answer 6

C6, C7, C8, T1

Anterior Forearm; 5 intrinsic muscles in thenar half of palm and palmar skin

Question 7

Medial Pectoral

Answer 7

C8, T1

Pectoralis Minor, Sternocostal part of Pectoralis Major

Question 8

Medial Cutaneous nerve of Arm

Answer 8

C8, T1

skin of medial arm, as far distal as medial epicondyle of humerus and olecranon of ulna

Question 9

Medial Cutaneous of Forearm

Answer 9

C8, T1

skin of medial side of forearm, as far distal as wrist

Question 10

Ulnar

Answer 10

C8, T1 (often C7)

Flexor Carpi Ulnaris and Ulnar half of flexor digitorum profundus, most intrinsic muscles of hand, skin of hand medial to axial line of digit 4

Question 11

Upper Subscapular

Answer 11

C5

Superior Portion of Subscapularis

Question 12

Lower Subscapular

Answer 12

C6

Inferior portion of subscapularis and teres major

Question 13

Thoracodorsal

Answer 13

C6, C7, C8

Latissimus Dorsi

Question 14

Axillary

Answer 14

C5, C6

Glenohumeral joint, teres minor, deltoid muscles, skin of superolateral arm

Question 15

Radial

Answer 15

C5-T1

all muscles of posterior compartments of arm and forearm; skin of posterior and inferolateral arm; posterior forearm and dorsum of hand lateral to axial line of digit 4