From: Mild (not severe) disc degeneration is implicated in the progression of bilateral L5 spondylolysis to spondylolisthesis
Mean axial strain ILL fibres (± standard deviation)
Intact
5.91 (±1.87) %
Normal L5 Lytic
8.01 (±1.89)%
Mildly Degenerate L5 Lytic
11.25 (±1.91)%
Mildly Degenerate L5 Collapsed Lytic
1.91 (±0.91)%
Severely Degenerate L5 Collapsed Lytic
1.90 (±0.90)%