Segmental ROM by procedure type.
| Spine Segments | Healthy | LAM | LAM + FFX (Unfused) | LAM + Pedicle Screw System (Unfused) |
| L1-L2 | 1.76 | 1.75 | 1.81 | 1.90 |
| L2-L3 | 1.70 | 1.70 | 1.77 | 1.84 |
| L3-L4 | 1.71 | 1.70 | 1.78 | 1.85 |
| L4-L5 | 1.40 | 1.38 | 0.90 | 0.4 |
| L5-S1 | 3.84 | 3.80 | 4.14 | 4.46 |
| Total all segments | 10.41 | 10.33 | 10.40 | 10.45 |
| Difference vs healthy spinea | 0.00% | −0.77% | −0.10% | 0.38% |
Abbreviations: LAM, laminectomy; ROM, range of motion.
↵a Overall ROM was controlled to be ±0.8% for all scenarios prior to assessing the other endpoints.