Figure 2From: Pressure pain sensitivity maps of the neck-shoulder and the low back regions in men and women Schematic representation of the low back PPT recording grid (27 points). All distances between adjacent points were based on an anthropometric measure (the distance (d2) between the first (L1) and fifth (L5) lumbar vertebrae). The lumbar region was divided by location (left side, center and right side).Back to article page