| MDS | Man Down Situations |
| F | Fall state |
| I | Immobility state |
| D | Down position state |
| ADL | Activities of Daily Living |
| IRSST | Institut de Recherche Robert-Sauvé en Santé et en Sécurité du travail |
| CRITIAS | EERS-CRSNG Industrial Research Chair in In-Ear Technologies |
| IMU | Inertial Measurement Unit |
| MEMS | Micro-Electromechanical System |
| TP | True Positive |
| FP | False Positive |
| TN | True Negative |
| FN | False Negative |
| MCC | Matthews Correlation Coefficient |
| ROC | Receiver Operating Characteristic |
| RML | Ratio of Maximized Likelihood |