Fig. 2From: Hybrid pedicle screw and modified cortical bone trajectory technique in transforaminal lumbar interbody fusion at L4-L5 segment: finite element analysisThe FE model of the intact L1-S1 lumbar spine. A Back view, B Sagittal view, C Regional thickness of the cortical bone, D Facet cartilage, E Ligaments, F Vertebral endplate, G Intervertebral discsBack to article page