Comparison of Biomechanical Performance of Five Different Treatment Approaches for Fixing Posterior Pelvic Ring Injury

Table 3

Material properties, element types, and cross-sectional area of ligaments in the FE model.

Ligaments	Strain (%)	Stiffness (N/mm)	Strain (%)	Stiffness (N/mm)	Area (mm^2)	Reference
Anterior longitudinal ligament (ALL)	0 < ε < 12.2	347	ε ≥ 12.2	787	32.4	Moramarco et al. [34]; Rohlmann et al. [38]; Naserkhaki et al. [37]
Posterior longitudinal ligament (PLL)	0 < ε < 11.2	295	ε ≥ 11.2	617	5.2
Sacrotuberous ligament (STL)	0 < ε < 18.2	467	ε ≥ 18.2	988	42.85
Sacrospinous ligament (SSL)	0 < ε < 13.9	387	ε ≥ 13.9	897	35.6
Anterior sacroiliac ligament (ASL)	0 < ε < 22.1	454	ε ≥ 22.1	887	112
Posterior sacroiliac ligament (PSL)	0 < ε < 21.8	398	ε ≥ 21.8	876	96
Sacroiliac interosseous ligament (SIL)	0 < ε < 17.2	412	ε ≥ 17.2	932	39
Iliolumbar ligament (ILL)	0 < ε < 18.5	432	ε ≥ 18.5	957	21