Image Type Lumbar Spine X-Ray CT Scan MRI Scan Boxall’s Angle (Sacral Inclination) Disc Height Index (DHI) Ferguson’s Line George’s Line (Posterior Vertebral Body Line) lumbar lordosis Lumbosacral Angle (Ferguson’s Angle/Sacral Inclination) Mcnab's Line Pelvic Incidence Pelvic Incidence-Slip Angle Relationship Pelvic Tilt (PT) PI-LL Mismatch Sacral Slope (SS) Segmental Lordosis Slip Angle/Lumbosacral Kyphosis Ullman’s Line
