Figure 2From: Biomechanical evaluation of three surgical scenarios of posterior lumbar interbody fusion by finite element analysis 3D model of spinal segment L1-S1. ANN - annulus fibrosus, NUC - nucleus pulposus, ALL - anterior longitudinal ligament, PLL - posterior longitudinal ligament, IL - intertransverse ligament, LF - ligamenta flava, ISL - interspinal ligament, SSL - supraspinal ligament.Back to article page