Dermatome: C5
over deltoid
Dermatome: C6
lateral antebrachium and hand including Pollux
Dermatome: C7
Central portion of Hand and posterior Antebrachium, including 3rd digit
Dermatome: C8
Medial hand and antebrachium, including 5th digit
Dermatome: T1
Medial Brachium
Dermatome: T2
Anterior border of axilla