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Table 1 Material properties of the elements in our model for the pelvic region: Elastic modulus (E), Poisson’s ratio (η) and density (ρ)

From: Biomechanical modelling of the pelvic system: improving the accuracy of the location of neoplasms in MRI-TRUS fusion prostate biopsy

Organ E (kPa) η ρ (kg/m3) Source
Prostate transitional zone 43 0.495 1500 [20]
Prostate peripheral zone 18 0.495 1500 [20]
Bladder 10 0.499 1500 [22]
Rectum 5180 0.499 1500 [23]
Anus 10 0.499 1500 [24, 25]
Obturator internus muscles 15 0.4 1500 [24, 25]
Obturator externus muscles 15 0.4 1500 [24, 25]
Iliococcygeous muscles 15 0.4 1500 [24, 25]
Pubococcygeous muscles 15 0.4 1500 [24, 25]
Puborectalis muscles 15 0.4 1500 [24, 25]
Vesical muscles 150 0.4 1000 [26]
Sacrum bones 11 × 106 0.26 1640 [27]
Hip bones 11 × 106 0.26 1640 [27]