Figure 3From: Biomechanical stability of a supra-acetabular pedicle screw Internal Fixation device (INFIX) vs External Fixation and plates for vertically unstable pelvic fracturesThe pelvis mounted on the apparatus with the INFIX Apparatus. The sacrum is attached to the Instron Device and the separated hemi pelvis is fixed with wire cables to simulate the abductor muscles with the Hip prosthesis potted to simulate the single stance gait.Back to article page