Table 1.
Constitutive model coefficients determined from curve fitting experimental Cauchy stress versus stretch data
| Side | Region | neo-Hookean μ (MPa) | Veranda Westmann C1 (MPa) |
Veronda Westmann C2 (no units) |
|---|---|---|---|---|
| Femur | AL | 5.72 ± 2.74 | 0.30 ± 0.17 | 6.70 ± 1.51 |
| AM | 4.06 ± 0.98 | 0.31 ± 0.27 | 5.87 ± 1.86 | |
| SL | 5.50 ± 1.52 | 0.34 ± 0.17 | 6.45 ± 2.13 | |
| SM | 3.46 ± 2.04 | 0.19 ± 0.18 | 8.40 ± 3.05 | |
| PL | 6.22 ± 2.32 | 0.38 ± 0.30 | 6.93 ± 2.33 | |
| PM | 4.74 ± 1.38 | 0.29 ± 0.08 | 6.98 ± 1.13 | |
| IL | 6.34 ± 0.74 | 0.48 ± 0.21 | 5.26 ± 0.94 | |
| IM | 3.92 ± 0.62 | 0.23 ± 0.18 | 7.23 ± 2.23 | |
| F | 4.98 ± 2.16 | 0.29 ± 0.17 | 6.34 ± 1.89 | |
| Lateral | 5.88 ± 2.10 | 0.36 ± 0.21 | 6.36 ± 1.42 | |
| Medial | 4.08 ± 1.52 | 0.26 ± 0.18 | 7.10 ± 2.68 | |
| Whole | 4.88 ± 2.02 | 0.30 ± 0.21 | 6.71 ± 2.27 | |
| Acetabulum | AL | 9.34 ± 3.20 | 0.72 ± 0.37 | 5.31 ± 1.09 |
| AM | 4.82 ± 1.12 | 0.22 ± 0.12 | 7.42 ± 1.51 | |
| SL | 6.54 ± 2.62 | 0.29 ± 0.16 | 7.31 ± 0.59 | |
| SM | 4.68 ± 0.58 | 0.26 ± 0.08 | 7.21 ± 0.94 | |
| PL | 7.96 ± 1.80 | 0.45 ± 0.10 | 6.13 ± 0.34 | |
| PM | 5.74 ± 1.78 | 0.31 ± 0.19 | 6.60 ± 1.09 | |
| Lateral | 7.74 ± 2.28 | 0.47 ± 0.27 | 6.33 ± 1.29 | |
| Medial | 5.04 ± 1.60 | 0.26 ± 0.15 | 7.20 ± 1.43 | |
| Whole | 6.44 ± 2.58 | 0.37 ± 0.25 | 6.69 ± 1.42 | |
| Both | Lateral | 6.50 ± 2.54 | 0.40 ± 0.26 | 6.22 ± 1.48 |
| Medial | 4.40 ± 1.56 | 0.28 ± 0.20 | 6.86 ± 2.44 | |
| Whole | 5.32 ± 2.32 | 0.34 ± 0.24 | 6.55 ± 2.07 |
Mean ± SD. Anatomical regions are shown in Fig. 2. The pooled lateral, medial and whole regional coefficients were obtained by averaging across all samples