C5-T1
Upper extremity
T4
Nipple
T10
Umbellicus
L2-S1
Lower Extremity
C5
Shoulder
C6
Lateral arm and first 2 digits
C7
Middle digit
C8
4th and 5th digits
L4
Anteromedial shin
L5
Anterolateral shin and dorsum of the foot to the big toe
S1
small tow, lateral foot, sole and calf
S2-S4
Perineal area