Measurement of vertebral rotation: a comparison of two methods based on CT scans
Krismer,M.; Chen,A.M.; Steinlechner,M.; Haid,C.; Lener,M.; Wimmer,C.;
This study compared Ho’s and Aaro’s method to measure vertebral axial rotation in order to find the more accurate one. Two hundred fifty-nine CT scans were taken from 11 cadaver vertebrae. The scans were performed with vertebrae in neutral position and angulated up to 20 degrees in the sagittal and frontal plane to simulate kyphosis/lordosis and side bending. Axial rotation was measured according to both methods.
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