Lag screw fixation
Fix the reduced posterior column with one or more interfragmentary screws.
The screw orientation will vary depending on the obliquity of the fracture line.
The starting point for the insertion of this screw is located in the reconstructed ilium (1-2).
This screw should not interfere with the desired position of a posterior column plate if this is planned for the final construct.
Alternatively, a retrograde lag screw, also called "butt screw", may be used from the ischial tuberosity.