From: The biomechanical effect of the relevant segments after facet-disectomy in different diameters under posterior lumbar percutaneous endoscopes: a three-dimensional finite element analysis
Model
Flexion
Extension
Left bending
Right bending
Left rotation
Right rotation
MA
0.372
0.486
0.434
0.421
0.463
MB
0.378
0.496
0.448
0.432
0.487
0.482
MC
0.429
0.523
0.455
0.445
0.582
0.586
MD
0.771
0.481
0.639
0.847
0.932