Table 3.
Vertebra material properties
Vertebra Sections | E (MPa) | υ | References |
---|---|---|---|
Normal bone density | |||
Cortical | 12000 | 0.3 | [34] |
Trabecular | 200 | 0.315 | [35] |
Pedicle | 3500 | 0.25 | Calculated by [36] |
Osteopenia bone density | |||
Cortical | 8350 | 0.3 | Assumed as mean properties between normal and osteoporotic bone |
Trabecular | 173 | 0.315 | Assumed as mean properties between normal and osteoporotic bone |
Pedicle | 3150 | 0.25 | Assumed as mean properties between normal and osteoporotic bone |
Osteoporotic bone density | |||
Cortical | 4700 | 0.3 | [37] |
Trabecular | 146 | 0.315 | [38] |
Pedicle | 2800 | 0.25 | Assumed by [39] |