Table 1: Parameters Measured in Assessing Formetric 4D Reproducibility

Parameter Average Standard Deviation Range
TrunkLength 5.4 mm 2.5 – 11.1
Trunk Imbalance 5.1 mm 2.8 – 7.2
Pelvic Tilt 2.2 degrees 1.2 – 4.8
Thoracic Kyphosis 2.7 degrees 1.0 – 4.3
Lumbar Lordosis 2.1 degrees 1.2 – 4.2
Maximal Right Rotation 2.4 degrees 1.0 – 3.8
Maximal Left Rotation 1.6 degrees 0.7 – 3.1
Max Right Lateral Deviation 2.3 mm 1.2 – 4.3
Max Left Lateral Deviation 2.1 mm 1.4 – 3.9
Scoliosis Angle of Major Curve 3.4 degrees 1.2 – 6.2