| axSpA | Axial Spondyloarthritis |
| DS | double support |
| DTE | Dual task effects |
| FFr | Foot flat ratio |
| FOLOMI | Function Locomotion Measurement Inflammation |
| ICC | Intraclass Correlation Coefficient |
| LDr | Load Ratio |
| MDC | Minimum Detectable Change |
| N | normalized |
| PUr | Push ratio |
| SEM | Standard Error of Measurement |
| SI | symmetry index |
| SR | symmetry ratio |