Two diagrams of a woman, back and front, with areas labeled corresponding to the spinal nerve being tested. C5 (left shoulder) C6 (left wrist) C7 (right forearm) C8 (right wrist) D4 (above the right breast) D6 (below the right breast) D10 (the right waist) D12 (the lower right abdomen) L1 (lower left abdomen) L2 (right thigh) L3 (above the left knee) L5 (left ankle) S2 (below the right buttocks) S1 (the right heel)