Table 2. .
Description of Tests and Variables Measured
| Test |
Variable |
| Modified ankle-joint anterior drawer test | Anteroposterior ankle-joint ligamentous laxity |
| 0 = Stiff | |
| 1 = Normal | |
| 2 = Moderately lax | |
| 3 = Severely lax | |
| Goniometry | Inversion-eversion range of motion (°) |
| Weight-bearing lunge test | Dorsiflexion range of motion (cm) |
| Cumberland Ankle Instability Tool | Perceived ankle instability |
| 28–30 = stable | |
| ≤27 = unstable | |
| International Physical Activity Questionnaire | Level of physical activity |
| 1 = Low activity level | |
| 2 = Moderate activity level | |
| 3 = High activity level | |
| Response to inversion perturbation | Time to recovery from an inversion perturbation (s) |
| Single-legged stance with eyes closed | No. of foot lifts |
| Star Excursion Balance Test | Distance reached in each direction (cm) |
| Anterior reach/leg length | |
| Posterolateral reach/leg length | |
| Posteromedial reach/leg length | |
| Demi-pointe balance test | The ability to keep balance in demi-pointe position for 5 s (fail or pass) |
| Joint position sense test | Average angular error (°) to match target angles of 5° inversion, maximal inversion −5°, maximal eversion −5° |
| Movement detection sense test | Percentage of correctly recognized inversion or eversion movements imposed at 0.1°/s, 0.5°/s, and 2.5°/s |
| Inversion and eversion peak power | Peak power/body weight [(N·m/s)/kg] at velocities of 30°/s, 60°/s, and 120°/s |
| Choice stepping reaction time test | Average time taken to step on a randomly illuminated footplate with the tested side as fast as possible (s) |
| Limb laterality recognition task | No. of correct left or right recognitions of the foot pictures |
| Average time to recognize the laterality of randomly shown foot pictures on the screen (s) | |
| Timed up-and-down stair test | Time to ascend and descend a flight of 10 stairs (s) |