Table 2

Ranges of motion of L5-S1 and of the SIJ for the various configurations.

ConfigurationFlexion-ExtensionLateral BendingAxial Rotation
L5-S1SIJL5-S1SIJL5-S1SIJ
S2AI0.90.60.90.40.80.3
PFFI0.90.20.90.20.70.1
PFFI-IFSAI0.90.60.80.40.70.3
2-PPFI0.60.20.40.20.60.1

  • Abbreviations: PFFI, porous fusion/fixation implant; 2-PFFI, S2AI position PFFI; S2AI, S2 alar-iliac; SIJ, sacroiliac joint.

  • Note: All values are in degrees (°).