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

<div>Stress nephograms of the posterior fixation of the two different implanted models in flexion, extension, left lateral bending, right lateral bending, left rotation, and right rotation, respectively. (a) Stress nephograms of CBT-TT. (b) stress nephograms of TT-CBT.</div>

Journal of Healthcare Engineering

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Figure 9

Figure 9: 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 9 | Biomechanical Investigation of the Posterior Pedicle Screw Fixation System at Level L4-L5 Lumbar Segment with Traditional and Cortical Trajectories: A Finite Element Study 