Fig. 4From: Effects of dynamic and rigid implantation on biomechanical characteristics of different sagittal alignment lumbar after single- or double-level spinal fixations: a finite-element modeling studyComparison of the moment-rotation curve between the finite element model and the in vitro experiment in flexion and extension. a L1–L2 segment; b L2–L3 segment; c L3–L4 segment; d L4–L5 segment and e L5–S1 segmentBack to article page