Table 4 Comparison of the maximum stress of three groups with and without artificial vertebral body
Group A | Group a | Δ | Group B | Group b | Δ | Group C | Group c | Δ | |
|---|---|---|---|---|---|---|---|---|---|
Flexion | 36.590 | 174.000 | 375.54% | 32.800 | 162.100 | 394.21% | 32.670 | 33.220 | 1.68% |
Extension | 36.750 | 174.500 | 374.83% | 32.800 | 162.900 | 396.65% | 32.670 | 33.490 | 2.51% |
Bending to the left | 61.460 | 62.230 | 1.25% | 74.120 | 74.470 | 0.47% | 73.720 | 75.020 | 1.76% |
Bending to the right | 61.380 | 62.170 | 1.29% | 73.660 | 74.130 | 0.64% | 73.240 | 74.560 | 1.80% |
Rotation to the left | 61.780 | 97.310 | 57.51% | 45.910 | 86.760 | 88.98% | 45.700 | 43.540 | − 4.73% |
Rotation to the right | 61.780 | 97.370 | 57.61% | 45.890 | 86.840 | 89.24% | 45.680 | 43.570 | − 4.62% |