Fig. 1From: Three-dimensional classification of the Lenke 1 adolescent idiopathic scoliosis using coronal and lateral spinal radiographsFive subtypes of Lenke1 AIS. The spinal curvatures are shown in the sagittal, frontal (posterior-anterior), and axial (Top-down) views. The vertebra at which the direction of the vertebral location changes in the thoracolumbar section is shown with a green circleBack to article page