Suppl. Table 3.
Standard Error of Mean (SEM) of the mechanical properties of tibia during the experiment.
| Variable | Day | ACU | ACL | HUU | HUL |
|---|---|---|---|---|---|
| E (MPa) | Baseline | 340 | |||
| Day 7 | 437 | 52 | 147 | 303 | |
| Day 14 | 412 | 551 | 683 | 282 | |
| Day 21 | 253 | 436 | 119 | 489 | |
| Day 28 | 144 | 679 | 259 | 783 | |
| Stiffness (N/mm) | Baseline | 40 | |||
| Day 7 | 14 | 17 | 26 | 4.7 | |
| Day 14 | 17 | 34 | 2.7 | 25 | |
| Day 21 | 27 | 21 | 4.6 | 13 | |
| Day 28 | 28 | 41 | 24 | 35 | |
| M. Load (N) | Baseline | 3.2 | |||
| Day 7 | 0.46 | 5.2 | 7.3 | 10 | |
| Day 14 | 4.7 | 4.0 | 3.4 | 4.0 | |
| Day 21 | 3.6 | 1.8 | 3.6 | 9.9 | |
| Day 28 | 1.8 | 6.5 | 2.4 | 1.2 | |
| M. Stress (MPa) | Baseline | 2.5 | |||
| Day 7 | 3.4 | 5.3 | 5.9 | 9.3 | |
| Day 14 | 3.9 | 1.4 | 4.3 | 3.5 | |
| Day 21 | 3.5 | 3.1 | 4.1 | 9.8 | |
| Day 28 | 6.9 | 5.1 | 2.9 | 16 | |
| Toughness (J) | Baseline | 0.070 | |||
| Day 7 | 0.020 | 0.060 | 0.018 | 0.029 | |
| Day 14 | 0.017 | 0.0099 | 0.028 | 0.022 | |
| Day 21 | 0.056 | 0.012 | 0.044 | 0.023 | |
| Day 28 | 0.035 | 0.013 | 0.079 | 0.016 |
ACU: untreated tibia from the age-matched control group. HUU untreated tibia from the hindlimb unloading group. ACL: tibia with mechanical loading from the age-matched control group. HUL: tibia with mechanical loading from the hindlimb unloading group. E: Elastic Modulus. M. Load: maximum load. M. Stress: maximum stress.