TABLE 3.
Mean physiological modulus of the different parts for the different age groups.
| Circumferential tension | Axial tension | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Group | N | Segment | E E (MPa) | E C (MPa) | ε u | σ u (MPa) | E E (MPa) | E C (MPa) | ε u | σ u (MPa) |
| 27–35 years | 13 | Proximal segment | 0.218 ± 0.086 | 31.948 ± 15.903 | 0.534 ± 0.153 | 1.892 ± 0.551 | 0.271 ± 0.094 | 10.892 ± 2.618 | 0.352 ± 0.075 | 1.276 ± 0.477 |
| Distal segment | 0.179 ± 0.056 | 23.050 ± 8.188 | 0.569 ± 0.134 | 1.711 ± 0.544 | 0.215 ± 0.064 | 10.327 ± 2.719 | 0.385 ± 0.078 | 1.343 ± 0.517 | ||
| 36–45 years | 9 | Proximal segment | 0.175 ± 0.053 | 37.920 ± 25.642 | 0.498 ± 0.054 | 1.727 ± 0.374 | 0.493 ± 0.922 | 11.612 ± 7.855 | 0.394 ± 0.172 | 1.076 ± 0.186 |
| Distal segment | 0.157 ± 0.081 | 32.587 ± 18.065 | 0.582 ± 0.091 | 1.621 ± 0.395 | 0.267 ± 0.138 | 10.181 ± 4.883 | 0.440 ± 0.111 | 1.371 ± 0.436 | ||
| 46–55 years | 7 | Proximal segment | 0.225 ± 0.084 | 23.963 ± 10.432 | 0.367 ± 0.050 | 1.430 ± 0.606 | 0.404 ± 0.157 | 7.512 ± 2.997 | 0.243 ± 0.056 | 0.803 ± 0.210 |
| Distal segment | 0.296 ± 0.220 | 26.416 ± 18.441 | 0.311 ± 0.113 | 1.221 ± 0.537 | 0.458 ± 0.197 | 7.432 ± 2.939 | 0.239 ± 0.068 | 0.882 ± 0.332 | ||
| 56–65 years | 11 | Proximal segment | 0.242 ± 0.209 | 17.363 ± 6.953 | 0.334 ± 0.104 | 1.358 ± 0.699 | 0.355 ± 0.173 | 5.551 ± 2.158 | 0.227 ± 0.067 | 0.682 ± 0.266 |
| Distal segment | 0.275 ± 0.097 | 18.180 ± 6.969 | 0.287 ± 0.051 | 1.061 ± 0.230 | 0.440 ± 0.361 | 5.999 ± 2.371 | 0.216 ± 0.063 | 0.675 ± 0.198 | ||
| 66–75 years | 5 | Proximal segment | 0.473 ± 0.192 | 15.733 ± 2.707 | 0.234 ± 0.043 | 1.358 ± 0.524 | 0.898 ± 0.889 | 6.045 ± 4.592 | 0.181 ± 0.068 | 0.607 ± 0.329 |
| Distal segment | 1.050 ± 0.587 | 17.753 ± 3.195 | 0.171 ± 0.039 | 1.184 ± 0.360 | 0.653 ± 0.501 | 4.690 ± 3.039 | 0.233 ± 0.107 | 0.572 ± 0.131 | ||
| 76–86 years | 5 | Proximal segment | 0.509 ± 0.218 | 14.553 ± 14.758 | 0.174 ± 0.054 | 0.739 ± 0.240 | 0.567 ± 0.322 | 7.408 ± 3.120 | 0.149 ± 0.040 | 0.507 ± 0.174 |
| Distal segment | 0.742 ± 0.402 | 14.440 ± 5.749 | 0.162 ± 0.062 | 0.912 ± 0.303 | 0.555 ± 0.315 | 4.299 ± 1.454 | 0.138 ± 0.043 | 0.348 ± 0.106 | ||
| All | 50 | Proximal segment | 0.271 ± 0.178 | 25.335 ± 16.952 | 0.394 ± 0.157 | 1.511 ± 0.621 | 0.440 ± 0.506 | 8.540 ± 4.737 | 0.279 ± 0.124 | 0.899 ± 0.415 |
| Distal segment | 0.356 ± 0.365 | 22.776 ± 12.601 | 0.393 ± 0.193 | 1.350 ± 0.504 | 0.386 ± 0.293 | 7.777 ± 3.815 | 0.297 ± 0.129 | 0.960 ± 0.513 | ||
Note: Values are presented as mean ± standard deviation.