Skip to main content

Table 1 The material properties used in finite element models

From: Reducing the extent of facetectomy may decrease morbidity in failed back surgery syndrome

Components Young’s modulus (Mpa) Poisson’s ratio Cross-section area(mm2)
Cortical 12,000 0.3 /
Cancellous 100 0.2 /
Posterior elements 3500 0.25 /
Endplate 1000 0.4 /
Cartilage 10 0.4 /
Capsular 26 0.3 67.5
ALL 20 0.3 60
PLL 70 0.3 21
LF 50 0.3 60
ITL 50 0.3 10
ISL 28 0.3 40
SSL 28 0.3 30
  1. Note: ALL: anterior longitudinal ligament; PLL:posterior longitudinal ligament; LF:ligamantum flavum; ISL:interspinous ligament; SSL: supraspinal ligament; ITL:intertransverse ligament