Table 3 ROM, disc annulus stress and facet contact forces on the left (L) and right (R) sides of the spine durings flexion, extension, axial rotation and lateral bending moments
| Â | L2/3 | L3/4 | ||||||
|---|---|---|---|---|---|---|---|---|
ROM (Degree) | Flexion | Extension | Rotation | Bending | Flexion | Extension | Rotation | Bending |
INT | 4.66 | 3.42 | 1.75 | 4.74 | 4.8 | 3.37 | 2.05 | 5.08 |
DEC | 4.48 | 3.03 | 1.75 | 4.74 | 5.36 | 4.7 | 2.14 | 5.1 |
IntDyWL | 5.88 | 3.65 | 1.83 | 5.4 | 0.93 | 2.68 | 1.8 | 2.75 |
DecDyWL | 5.81 | 3.65 | 1.78 | 5.39 | 0.89 | 2.66 | 1.95 | 2.9 |
DecDyNL | 5.52 | 3.77 | 1.76 | 5.28 | 1.97 | 2.16 | 2.13 | 3.28 |
DecDyNL0.8 | 5.52 | 3.7 | 1.76 | 5.19 | 1.97 | 2.47 | 2.12 | 3.43 |
Disc stress (KPa) | Â | Â | Â | Â | Â | Â | Â | Â |
INT | 998.45 | 741 | 332 | 1316 | 944.39 | 687 | 372 | 1229.8 |
DEC | 946.33 | 677.64 | 311.59 | 1318.4 | 1047.7 | 1446 | 438.63 | 1292.9 |
IntDyWL | 1343 | 803.04 | 347 | 1588 | 440 | 592.36 | 522 | 793 |
DecDyWL | 1323.2 | 792.27 | 337.29 | 1585.7 | 435.47 | 618.55 | 608.98 | 867.54 |
DecDyNL | 1236.2 | 822.5 | 324.51 | 1531.1 | 558.48 | 579.08 | 397.79 | 780.8 |
DecDyNL0.8 | 1235.9 | 804.68 | 324.22 | 1500.2 | 558.36 | 607.8 | 404.13 | 859.36 |
Facet contact force (N) | Â | Â | Â | Â | Â | Â | Â | |
INT L | 0.00 | 86.44 | 0.00 | 15.52 | 0.00 | 109.61 | 0.00 | 26.75 |
INT R | 0.00 | 86.44 | 117.81 | 10.29 | 0.00 | 109.61 | 110.68 | 0.00 |
DEC L | 0.00 | 67.85 | 0.00 | 14.15 | 0.00 | 77.13 | 0.00 | 32.87 |
DEC R | 0.00 | 67.85 | 102.47 | 10.48 | 0.00 | 77.13 | 106.24 | 0.00 |
IntDyWL L | 0.00 | 98.73 | 0.00 | 32.76 | 7.32 | 65.88 | 0.00 | 35.81 |
IntDyWL R | 0.00 | 98.73 | 124.72 | 14.77 | 7.32 | 65.92 | 123.06 | 24.97 |
DecDyWL L | 0.00 | 99.07 | 0.00 | 34.20 | 0.00 | 21.96 | 0.00 | 15.79 |
DecDyWL R | 0.00 | 99.07 | 120.79 | 17.32 | 0.00 | 21.96 | 102.52 | 17.23 |
DecDyNL L | 0.00 | 104.66 | 0.00 | 38.18 | 0.00 | 13.24 | 0.00 | 11.80 |
DecDyNL R | 0.00 | 104.66 | 112.35 | 18.34 | 0.00 | 13.24 | 114.98 | 0.00 |
DecDyNL0.8 L | 0.00 | 101.51 | 0.00 | 33.71 | 0.00 | 15.92 | 0.00 | 14.64 |
DecDyNL0.8 R | 0.00 | 101.51 | 112.41 | 17.47 | 0.00 | 15.92 | 115.14 | 0.00 |