Parameter | Abbreviation | Descriptions |
---|---|---|
C7 plumb line- sagittal vertical axis (cm) | C7PL-SVA | Horizontal distance between the posterior corner of the sacrum and the C7 plumb linea |
Trunk shift (cm) | Trunk shift | Horizontal distance between the C7 plumb line and the Center Sacral Vertical Lineb |
Thoracic kyphosis (°) | TK | Cobb angle method between T5 and T12 |
Lumbar lordosis (°) | LL | Cobb angle method between L1 and S1 |
Pelvic incidence (°) | PI | Angle between the perpendicular line from the sacral plate and the line connecting the midpoint of the sacral plate to the bicoxofemoral axis |
Pelvic tilt (°) | PT | Angle between the line connecting the midpoint of the sacral plate to the bicoxofemoral axis and the vertical plane |
Sacral slope (°) | SS | slope angle between superior endplate of S1 and horizontal line |