Fig. 1From: More anterior bone loss in middle vertebra after contiguous two-segment cervical disc arthroplastySchematic diagram of imaging measurements. a. Sagittal area; b/c/d. Superior endplate/middle vertebral/inferior endplate length; e/f. Anterior/posterior height; g. Disc angle; h. Angle of surgery levels; i. Cobb angle of C27; j. C2-C7 sagittal vertical axis; k. T1 slopeBack to article page