Research Article

A Finite Element Study on the Treatment of Thoracolumbar Fracture with a New Spinal Fixation System

Table 2

Parameters of force-deflection-curve of the ligaments.

ALLPLLFLISLSSLITLCL
D (mm)F (N)D (mm)F (N)D (mm)F (N)D (mm)F (N)D (mm)F (N)D (mm)F (N)D (mm)F (N)

-500-500-500-500-500-500-500
00000000000000
0.2317311.5010.935836.05333.64194.87811.29524.26831.9814.87813.7796.09761.89846.0533
0.4010722.3971.02512.1074.388623.1711.676214.0242.483820.7324.967610.9762.415313.317
0.561543.5841.158732.0824.784840.8541.874323.1712.8839.6345.561922.5613.05739.952
0.6773665.3751.256755.0855.074362.8052.026741.4633.154359.7566.095242.6833.279961.138
0.81105106.541.4617148.315.379107.322.163861.5853.6419103.056.552464.6343.6096105.93
1.016200.971.5865248.795.6076151.222.3771104.884.0076151.227.070599.393.877151.33
1.0695249.45.8971249.392.5448158.544.2971204.887.5886146.954.0374202.79
2.6514209.154.5105249.397.92382004.1533249.4
2.6971249.398.1676248.78

ALL: anterior longitudinal ligament; PLL: posterior longitudinal ligament; FL: flaval ligament; ISL: interspinous ligament; SSL: supraspinous ligament; ITL: intertransverse ligament; CL: capsular ligaments; D: deflection; F: force.