Spinal canal depth and foraminal width measurements
| Level | Posterior (spinal canal depth) (mm) | Posterolateral (foraminal width) (mm)** | |
|---|---|---|---|
| Specimen | |||
| C080570 | L1-2 | 24 | 6 |
| C080570 | L3-4 | 23 | 5 |
| C080570 | L5-S1 | 16 | 5 |
| S080404 | L1-2 | 18 | 5 |
| S080404 | L3-4 | 18 | 5 |
| S080404 | L5-S1 | 16 | 5 |
| S080429 | L1-2 | 25 | 6 |
| S080429 | L3-4 | 22 | 6 |
| S080429 | L5-S1 | 16 | 7 |
| S080108 | L1-2 | 21 | 9 |
| S080108 | L3-4 | 19 | 4 |
| S080108 | L5-S1 | 13 | 4 |
| C080133 | L1-2 | 25 | 9 |
| C080133 | L3-4 | 20 | 8 |
| C080133 | L5-S1 | 17 | 4 |
| S080431 | L1-2 | 24 | 6 |
| S080431 | L3-4 | 22 | 5 |
| S080431 | L5-S1 | 21 | 5 |
| C080172 | L1-2 | 19 | 5 |
| C080172 | L3-4 | 17 | 4 |
| C080172 | L5-S1 | 13 | 2 |
| Mean | 19 ± 4 | 5 ±2 | |
| Maximum | 25 | 9 | |
| Minimum | 13 | 2 | |