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Range of motion (ROM) of the prosthesis, of the upper adjacent disk, and of the lumbar spine L1S1 over time. (mean ± SD)
| 3 months | 6 months | 12 months | 24 months | |
|---|---|---|---|---|
| ROM of the instrumented level | 4.1 ± 2.4 | 4.7 ± 2.8 | 6.0 ± 3.4 | 5.3 ± 3.2 |
| ROM of the upper adjacent level | 4.9 ± 3.2 | 6.0 ± 4.7 | 7.9 ± 5.2 | 6.2 ± 4.1 |
| ROM of the lumbar spine | 24.3 ± 14. | 27.9 ± 17.9 | 34.6 ± 16.3 | 27.5 ± 17.2 |
