Table 2 Subject specific estimated combined compressive stiffness
From: Model for in-vivo estimation of stiffness of tibiofemoral joint using MR imaging and FEM analysis
|  | Experimentally obtained ΔmBGFT (mm) | Experimentally obtained mBGFT (mm) | Calculated mean strain ε = ΔmBGFT/mBGFT | Applied Force (N) (50% Body weight) | Scaling Factor 'a' of Eq. (1) (N/mm2) | Power factor 'b' of Eq. (1) | Young's Modulus of soft tissue estimate by model ‘E’ (MPa) |
|---|---|---|---|---|---|---|---|
Subject1 | 0.5 | 7.31 | 0.06839 | 400 | 0.1527 | − 0.8223 | 2.657 |
Subject2 repeat | 0.44 | 5.66 | 0.07773 | 400 | 0.1638 | − 0.8607 | 2.38 |
Subject2 | 0.59 | 5.35 | 0.11028 | 340 | 0.2279 | − 0.8315 | 2.4 |
Subject2 repeat | 0.94 | 5.92 | 0.15878 | 340 | 0.3334 | − 0.8036 | 2.52 |
Subject3 | 0.59 | 5.22 | 0.11302 | 350 | 0.2356 | − 0.8794 | 2.309 |
Subject3 repeat | 0.67 | 6.54 | 0.10244 | 350 | 0.2042 | − 0.8997 | 2.1572 |
Mean ± SD | 0.621 ± 0.17 | 6.000 ± 0.79 | 0.1051 ± 0.031 |  | 0.2196 ± 0.065 | − 0.8495 ± 0.036 | 2.4039 ± 0.172 |