Fig. (1) (A) A dummy cast with markers on the spinal process
from T1 to L5 was scanned by the MTS system: three Q angles (8°,
21°, and 15°) are analogous to Cobb angles in the coronal plane; (B)
Kyphosis (36°) and lordosis (25°) are analogous to Cobb angles in
the sagittal plane.