| CF | Complementary filter |
| FC | Initial foot contact |
| FO | Foot off |
| IMU | Inertial measurement unit |
| MTC | Minimum toe clearance |
| PCA | Principal component analysis |
| RMSD | Root mean square deviation |
| RMSE | Root mean square error |
| SL | Stride length |
| SW | Swing width |
| TRIAD | Tri-axial attitude determination |
| ZVI | Zero velocity interval |
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