Specification:Item Type: Scoliosis Measuring ToolMaterial: Special MaterialUse: A measurement device for the diagnosis of dorsal scoliosis, a portable device with a spinal contour and a metal ball insert for measuring spinal alignment. Measuring Range: 0-30How to Use:1. Subjects remain standing with feet shoulder width apart and raise hands flat on side. 2. Drop both arms down into a standing forward bend position, keeping arms perpendicular to the horizontal plane and perpendicular to torso. Package List:1 x Scoliosis Measuring Tool