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Fig. 12 | Journal of Orthopaedic Surgery and Research

Fig. 12

From: Topping-off surgery vs posterior lumbar interbody fusion for degenerative lumbar disease: a finite element analysis

Fig. 12

Stress distribution of the surgical segment (L3–L4) disc annulus in normal surgical model for various motions. a, b Maximum von Mises equivalent stress on L3/L4 intervertebral disc in standing posture. c Maximum von Mises equivalent stress on L3/L4 intervertebral disc in anteflexion. d Maximum von Mises equivalent stress on L3/L4 intervertebral disc in extension. e Maximum von Mises equivalent stress on L3/L4 intervertebral disc in right bending. f Maximum von Mises equivalent stress on L3/L4 intervertebral disc in left bending. g Maximum von Mises equivalent stress on L3/L4 intervertebral disc in left rotation. h Maximum von Mises equivalent stress on L3/L4 intervertebral disc in right rotation

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X