Table 3.
Geometrical and mechanical properties were not different between hibernating and active bears, but ash fraction was significantly increased during hibernation. Means with standard deviations in parentheses are presented. See Table 2 for explanations of abbreviations.
| Property | Active | Hibernating | p-value |
|---|---|---|---|
| Ps.Ar (mm2) | 608 (432) | 589 (339) | 0.704 |
| Ct.Ar (mm2) | 412 (315) | 403 (256) | 0.786 |
| Es.Ar (mm2) | 196 (117) | 186 (85) | 0.638 |
| Es.Ar/Ps.Ar (%) | 35 (5) | 34 (6) | 0.643 |
| Ct.Th (mm) | 5.4 (2.6) | 5.4 (2.2) | 0.856 |
| IML (mm4) | 32,213 (39,061) | 26,205 (27,776) | 0.374 |
| IAP (mm4) | 43,142 (51,856) | 38,949 (41,829) | 0.466 |
| Imax (mm4) | 43,406 (51,990) | 39,035 (41,842) | 0.455 |
| SM (mm3) | 2,097 (2117) | 1,833 (1,539) | 0.439 |
|
| |||
| E (GPa) | 9.8 (2.5) | 11.4 (3.0) | 0.241 |
| σU (MPa) | 189 (16) | 202 (31) | 0.227 |
| U (J) | 52 (32) | 49 (42) | 0.676 |
| u (J / mm3) | 7.4 (3.9) | 5.0 (1.4) | 0.259 |
|
| |||
| Ash fraction | 0.671 (0.019) | 0.683 (0.018) | 0.001 |