Cutaneous Nerves of Upper Limb

Question 1

Supraclavicular

Answer 1

Skin of upper pectoral, deltoid & outer trapezius areas

Arises from C3, C4

Question 2

Medial Brachial Cutaneous

Answer 2

Medial side of arm

Arises from medial cord

Question 3

Medial Antebrachial Cutaneous

Answer 3

Medial side of forearm

Arises from medial cord

Question 4

Lateral Brachial Cutaneous

Answer 4

Lateral side of arm

Arises from axillary nerve

Question 5

Lateral Antebrachial Cutaneous

Answer 5

Lateral side of forearm

Arises from musculocutaneous nerve

Question 6

Posterior Brachial & Antebrachial Cutaneous Nerves

Answer 6

Posterior sides of arm and forearm

Arise from radial nerve

Question 7

Intercostobrachial Nerve

Answer 7

Lateral cutaneous branch of second intercostal nerve emerging from 2nd intercostal space
May communicate w/ medial brachial cutaneous nerve