The Great PI–LL Overcorrection Debate Just Got a Reality Check

Subscribe today to listen to this content Get Access

Nothing gets a spine surgeon’s pulse racing like a perfectly aligned lumbar lordosis.

For years, they’ve been told that going beyond the age-adjusted pelvic incidence minus lumbar lordosis (PI–LL) target is asking for trouble — the dreaded proximal junctional failure (PJF), that uninvited guest at every adult deformity fusion.