| ANOVA | Analysis of variance |
| CI | Confidence interval |
| CV | Coefficient of variance |
| FPI-6 | Six-item Foot Posture Index |
| GG | Greenhouse–Geisser correction |
| ICC | Interclass correlation coefficient |
| MAE | Mean absolute error |
| MT | Marker tracking |
| NCC | Normalized cross-correlation |
| ROI | Region of interest |
| SEM | Standard error of the measurement |
| ST | Speckle tracking |
| T-MTS | Torsional mechanical testing system |
| TPT | Tibialis posterior tendon |
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