Table 2.
Results from analyses on trial-specific, tendon-specific, and group-compiled data. Correlation between tendon stress and squared wave speed, estimated tendon effective density (ρeff) and shear modulus (μ), and error between stress predicted from wave speed and applied stress.
Regression | r2 | ρ eff [kg/m3] | μ [MPa] | RMSE [MPa] |
---|---|---|---|---|
Trial-Specific | 0.98 ± 0.03 | 1680 ± 240 | 0.94 ± 0.45 | 0.61 ± 0.44 |
Tendon-Specific | 0.97 ± 0.02 | 1670 ± 240 | 0.91 ± 0.38 | 0.67 ± 0.46 |
Group-Compiled | 0.921 | 1680 | 0.93 | 1.31 ± 0.64 |