Table 2.

Maximum displacement in the sitting position (mm).

	Model 1	Model 2	Model 3	Model 4	Model 5
Overall	0.55918	0.61004	0.62090	0.59034	0.60719
Horizontal	0.038042	0.11928	0.11773	0.116	0.11615
Vertical	−0.040593	−0.085947	−0.086258	−0.08414	−0.068254
Sacroiliac screw		0.47856	0.47822	0.47102	0.38218
Internal fixator		0.061303	0.062464	0.056103	0.037779