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Fig. 1 | BMC Musculoskeletal Disorders

Fig. 1

From: Mild (not severe) disc degeneration is implicated in the progression of bilateral L5 spondylolysis to spondylolisthesis

Fig. 1

Pictorial representation of the five finite element models of lumbosacral spine representing various states of the L5-S1 intervertebral disc with or without a bilateral spondylolytic defect at L5. Compared with the INTACT model, a disc height loss of 50% in the mid-sagittal plane was modelled in the Lytic-Mild-Degen-Collapsed and Lytic-Severe-Degen-Collapsed models

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