Biomechanical Investigation of the Posterior Pedicle Screw Fixation System at Level L4-L5 Lumbar Segment with Traditional and Cortical Trajectories: A Finite Element Study

Figure 2

Displacement-load curves for the models and in vitro experiments. FE represents the results of the present study, while the remainder are the in vitro test results of Markolf [24], Virgin [25], and Brown et al. [26].