Sagittal parameter measurements from Anatomic Changes of the spinal canal and intervertebral foramen associated with flexion-extension movement, Spine 1996;21:2412

Sagittal parameter measurements
1. Anterior Disc Height
2. Midpoint Disc Height
3. Posterior Disc Height
4. Foraminal Height
5. Upper foraminal width
6. Middle foraminal width
7. Lower foraminal width
8. Posterior bulging of the disc
9. Distance of osteophyte from endplate of superior vertebral body
10. distance of osteophyte from endplate of inferior vertebral body
11. Vertebral body angulation
12. Vertebral body translation