From: Biomechanical study of transsacral-transiliac screw fixation versus lumbopelvic fixation and bilateral triangular fixation for “H”- and “U”-type sacrum fractures with traumatic spondylopelvic dissociation: a finite element analysis study
U-type fracture
Displacement (mm)
A1A2
B1B2
C1C2
Single T-S1 fixation
0.24481
0.17562
0.33976
T-S1S2 fixation
0.18271
0.11810
0.23176
Lumbopelvic fixation
0.12509
0.08782
0.05764
Bilateral triangular fixation
0.02362
0.00691
0.01640