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. 2022 Apr 12;6(6):681–688. doi: 10.22603/ssrr.2021-0231

Table 2.

Material Properties.

Material Stiffness coefficient (N/m)
Anterior longitudinal ligament 0 (ε<0), 49.7 (ε<12), 127.4 (12<ε)
Posterior longitudinal ligament 0 (ε<0), 20.0 (ε<11), 40.0 (11<ε)
Ligamentum flavum 0 (ε<0), 60.0 (ε<6.2), 78.0 (6.2<ε)
Transverse ligament 0 (ε<0), 1.8 (ε<18), 10.6 (18<ε)
Capsular ligament 0 (ε<0), 22.5 (ε<25), 98.7 (25<ε)
Interspinous ligament 0 (ε<0), 40.0 (ε<14), 46.4 (14<ε)
Supraspinous ligament 0 (ε<0), 19.2 (ε<20), 48.0 (20<ε)
Sacrospinous ligament 1400
Sacrotuberous ligament 1500
Interosseous ligament 2800
Sacroiliac anterior ligament 700
Sacroiliac posterior ligament (long) 1000
Sacroiliac posterior ligament (short) 400
Iliolumbar ligament 1000
Pubicum superius ligament 500
Pubis arcuate ligament 500
Gluteus maximus 344
Gluteus medius 779
Gluteus minimus 660
Psoas 100
Adductor magnus 257
Adductor longus 134
Adductor brevis 499
Material Elastic modulus (MPa) Poisson’s ration
Fibrous rings 450 0.45
Vertebral pulp 2.25 0.4995
Sacrum cartilage 54 0.4
Pubic symphysis 5 0.45
Acetabulum cartilage 12 0.42
Bone graft 3500 0.25
Implant (Titanium) 110000 0.3