Figure 6From: Biomechanical comparison of anterior lumbar interbody fusion: stand-alone interbody cage versus interbody cage with pedicle screw fixation - a finite element analysis Contour plots of peak von Mises stress (PVMS) of the lower vertebral body (L4) when tested with flexion load of 10 Nm (A) and extension load of 10 Nm (B) after applying a compressive follower load (400 N). Back to article page