Figure 3From: Biomechanical comparison of anterior lumbar interbody fusion: stand-alone interbody cage versus interbody cage with pedicle screw fixation - a finite element analysis Moment-rotation curve in flexion/extension with 5 models (destabilized spine, intact spine, type 1, type 2, and type3) at an operated segment (L3–4) in 10 Nm flexion/extension superimposed a follower load of 400 N. Back to article page