TABLE 2.
Reliability and variability of performance tests.
| ICC | 95% CI | CV | |
| 5 m | 0.975 | 0.950–0.987 | 4.7 |
| 10 m | 0.957 | 0.915–0.979 | 2.6 |
| 20 m | 0.953 | 0.906–0.976 | 1.4 |
| 30 m | 0.982 | 0.963–0.991 | 9.0 |
| Illinois-MT | 0.909 | 0.812–0.954 | 2.1 |
| SJ | 0.910 | 0.819–0.955 | 8.2 |
| CMJ | 0.978 | 0.956–0.989 | 7.5 |
| CMJA | 0.929 | 0.857–0.964 | 7.3 |
| 5JT | 0.971 | 0.942–0.986 | 8.0 |
| Handgrip right | 0.896 | 0.791–0.948 | 7.3 |
| Handgrip left | 0.869 | 0.738–0.935 | 8.2 |
| Back extensor | 0.867 | 0.735–0.934 | 10.1 |
| Medicine ball throw | 0.978 | 0.955–0.989 | 18.1 |
| Stork right | 0.853 | 0.705–0.926 | 46.5 |
| Stork left | 0.637 | 0.274–0.819 | 58.4 |
| Y balance test (RL/L) | 0.977 | 0.54–0.988 | 11.0 |
| Y balance test (RL/B) | 0.894 | 0.788–0.947 | 9.8 |
| Y balance test (RL/R) | 0.942 | 0.883–0.971 | 19 |
| Y balance test (LL/R) | 0.982 | 0.963–0.991 | 9.0 |
| Y balance test (LL/B) | 0.942 | 0.883–0.971 | 8.5 |
| Y balance test (LL/L) | 0.973 | 0.946–0.987 | 21.8 |
CI, confidence intervals; CV, coefficient of variation; CMJ, counter-movement jump; CMJA, counter-movement jump; ICC, intraclass correlation coefficient; Illinois-MT, Illinois modified test; SJ, squat jump; B, background; L, left; R, right; LL, left leg; RL, right leg.