Fig. 1From: Biomechanical feasibility of semi-rigid stabilization and semi-rigid lumbar interbody fusion: a finite element studyFinite element model of L3-Sacrum segments and surgical implants. The present finite element model of the intact spine (left), interspinous spacer (middle-left), interbody cage (middle-right) and pedicle screws and rods (right)Back to article page