Fig. 2. The Augmented Lehnert-Schroth classification used for the selection of the appropriate brace from Gensingen library. 3CH, 3-curve with hip prominence; 3CTL, 3-curve with hip prominence thoracolumbar; 3C, 3-curve balanced; 3CL, 3-curve with long lumbar countercurve; 4C, 4-curve double; 4CL, 4-curve single lumbar; 4CTL, 4-curve single thoracolumbar. Reprinted from Weiss et al. [2], according to the Creative Commons License of OA Publishing London.