Fig. 4From: S2-alar-iliac screw and S1 pedicle screw fixation for the treatment of non-osteoporotic sacral fractures: a finite element studyRelative displacement distribution diagrams in four different conditions. The dotted line of each color corresponds to the solid line of each color. The dotted line represents the average relative displacement. a Relative displacement in standing. b Relative displacement in flexion. c Relative displacement in right bending. d Relative displacement in left twistingBack to article page