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Table 2 Ligament stiffness matrix in N/mm with the according ranges of the intervals

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

Ligament

ALL

PLL

ISL

SSL

LF

IT

L3–L4

39.5 ± 20.3

10.6 ± 8.5

18.1 ± 15.9

34.8 ± 11.7

34.5 ± 6.2

50.0

L4–L5

40.50 ± 14.3

25.8 ± 15.8

8.7 ± 6.5

18.0 ± 6.9

27.2 ± 12.2

50.0

  1. ALL anterior longitudinal, PLL posterior longitudinal, ISL intraspinous, SSL supra-spinous, LF flavum, IT intertransverse
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X