Segmental Range of motion* (Mean ± SD) with (control) ALIF cage (degrees).
Intact | ALIF | ALIF+PS | % Change ALIF from Intact | % Change ALIF+PS from Intact | |
---|---|---|---|---|---|
Flexion-Extension 0N | 7.4±1.8 | 5.2±1.4 | 0.8±0.3 | -28±15% | -89±4.7% |
Flexion-Extension 400N | 7.4±1.6 | 2.9±0.8 | 0.6±0.1 | -61±12% | -92±1.9% |
Lateral Bending | 8.9±1.9 | 3.9±1.7 | 1.1±0.4 | -56±14% | -88±3.4% |
Axial Rotation | 2.6±2.1 | 1.6±0.9 | 0.6±0.3 | -22±36% | -66±22% |
↵* Reported ranges of motion are from combined L2-L3 and L3-L4 motion data.