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Table 2 Disc stresses at cephalic adjacent levels

From: Biomechanical evaluation of a new pedicle screw-based posterior dynamic stabilization device (Awesome Rod System) - a finite element analysis

Motion Model L2-L3 (KPa) L3-L4 (KPa)
Flexion INT 621 (100%) 558 (100%)
AWE 906 (146%) 782 (140%)
FUS 915 (147%) 944 (169%)
AWEFUS 1370 (221%) 661 (118%)
Extension INT 399 (100%) 402 (100%)
AWE 422 (106%) 455 (113%)
FUS 410 (103%) 437 (109%)
AWEFUS 525 (131%) 184 (46%)
Lateral Bending INT 1050 (100%) 1040 (100%)
AWE 1170 (111%) 1090 (105%)
FUS 1180 (112%) 1090 (105%)
AWEFUS 1840 (175%) 405 (39%)
Torsion INT 540 (100%) 593 (100%)
AWE 419 (78%) 441 (74%)
FUS 436 (81%) 454 (77%)
AWEFUS 488 (90%) 322 (54%)
  1. The percentages indicate the disc stresses of all models normalized by the disc stresses of INT.