Figure 22.
Major deformity indices measured on the Transverse plane. 1. Angle of Trunk Rotation (ATR, or ATI - Angle of Trunk Inclination) [62], 2. CTAS [63,64], 3. Torso centroid line, Principal axis orientation, Back surface rotation, Envelope indices, Half-area indices, Quarter-area indices [60], 4. Rib prominence, Flank prominence [27], 5. ISIS2 TA (Transverse Asymmetry index), VA (Volume Asymmetry index) and HS (Hump Severity index) [30,33,34], 6. Suzuki Hump Sum (SHS) [68], 7. Deformity in the Axial Plane Index (DAPI) [59], 8. QSIS indices in the Transverse plane [55], 9. Y1, ASY2, ASY3 [47] (see also SOSORT Conclusion 3.4 and 4).