| 1 |
Vertebral body height (A-B) |
| 2 |
Antero-posterior length of body at superior border (C-A) |
| 3 |
Antero-posterior length of the body at inferior border (D-B) |
| 4 |
Transverse length of the body (E-F) |
| 5 |
Distance between the lateral most parts of the pedicles (G-H) |
| 6 |
Lamina length, right and left side (I-J) |
| 7 |
Lamina height (K-L), right side and left side |
| 8 |
Lamina thickness (M-N) on right and left sides |
| 9 |
Superior articular facet height (O-P) and width (Q-R), right and left side |
| 10 |
Inferior articular facet height (S-T) and width (U-V), right and left side |
| 11 |
Mid sagittal anteroposterior diameter of vertebral foramen (W-X) |
| 12 |
Transverse diameter of vertebral foramen (Y-Z) |
| 13 |
Lateral recess diameter, right and left side (A1-B1) |
| 14 |
Pars inter-articularis height on the right and left sides (C1-D1) |
| 15 |
Pars inter-articularis width on the right and left sides (E1-F1) |
| 16 |
Pars inter-articularis thickness over the right and left sides (G1-H1) |