| HR | Heart Rate |
| HRV | Heart Rate Variability |
| Maximal oxygen uptake | |
| CPET | Cardio Pulmonary Exercise Test |
| CRF | Cardio Respiratory Fitness |
| ML | Machine Learning |
| MLR | Multiple Linear Regression |
| RF | Random Forest |
| SVR | Support vector Regression |
| HR | Heart Rate |
| HRV | Heart Rate Variability |
| Maximal oxygen uptake | |
| CPET | Cardio Pulmonary Exercise Test |
| CRF | Cardio Respiratory Fitness |
| ML | Machine Learning |
| MLR | Multiple Linear Regression |
| RF | Random Forest |
| SVR | Support vector Regression |