C1-C3
transverse head
C4
top of shoulders
C5
deltoids
C6
lateral forearm and digits 1 and 2
C7
middle finger
C8
medial forearm and last two digits
T1
medial upper arm
T2
across upper chest at clavicle
T3
nipple line
T4-T12
oblique lines on chest
L1
starts at antereolateral thigh and runs in a medial oblique swath
L2
below L1 in same pattern
L3
below L2 in same pattern
L4
starts at anterolateral knee, crosses to medial knee and then runs inferiorly to medial shin and foot
L5
lateral low leg running to lateral shin and foot
SI
pedal portion of the foot up to the belly of gastroc/soleus
S2
gastroc belly up to buttocks