Lft=left; PSIS = Posterior superior iliac spine; Rt=right; Tx =
Treatment, LLQ = Lateral Lower Quadrant
“Right” indicates application of the stimulus from the right side,
e.g., Right C1 indicates the stimulus pulses were applied on the right
side of C1. L or left indicates application on the left side. Asterix *
indicates application at the midline.