Lumbar level | Supra-pedicular 1/3 | Para-pedicular 1/3 | Infrapedicular 1/3 | ||||||
---|---|---|---|---|---|---|---|---|---|
Zone 1 (Anterior) | Zone 2(Middle) | Zone 3 (Posterior) | Zone 4 (Anterior) | Zone 5 (Middle) | Zone 6 (Posterior) | Zone 7 (Anterior) | Zone 8 (Middle) | Zone 9 (Posterior) | |
L1 | 0 | 0 | 0 | 25 | 51 | 50 | 48 | 6 | 12 |
L2 | 0 | 0 | 0 | 15 | 43 | 45 | 50 | 16 | 19 |
L3 | 8 | 2 | 0 | 35 | 54 | 35 | 33 | 5 | 28 |
L4 | 36 | 10 | 0 | 17 | 41 | 22 | 3 | 1 | 36 |
L5 | 1 | 1 | 0 | 1 | 1 | 0 | 3 | 2 | 3 |