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

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

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]

ISSN: 1471-2407