| ACSM | American College of Sports Medicine |
| CEIC | Clinical Ethics and Research Committee |
| CONSORT | Consolidated Standards of Reporting Trials |
| EDSS | Expanded Disability Status Scale |
| HR | Heart rate |
| HRmax | Maximum heart rate |
| IQR | Interquartile range |
| MFIS | Modified Fatigue Impact Scale |
| MS | Multiple sclerosis |
| PAR-Q+ | Physical Activity Readiness Questionnaire for Everyone |
| QoL | Quality of life |
| RPE | Rating of Perceived Exertion |
| SD | Standard deviation |
| SF-36 | 36-Item Short Form Health Survey |
| SpO2 | Peripheral oxygen saturation |
| SPPB | Short Physical Performance Battery |
| TUG | Timed Up and Go |
| TWT | Treadmill walking training |
| WHO | World Health Organization |