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Landing Error Scoring System (LESS) score at the double-leg countermovement jump (movement quality) in the non-fatigued and fatigued state
| ACLR N-F | ACLR F | Healthy N-F | Healthy F | |
|---|---|---|---|---|
| LESS, score (mean ± sd) | 4 ± 2a | 7 ± 1b | 4 ± 2 | 4 ± 2 |
| Athletes not meeting the LESS < 6 criterion, N (%) | 2 (14) | 12 (86)b | 2 (11) | 6 (32) |
N-F non-fatigued, F fatigued
aSignificant difference between non-fatigued and fatigued state
bSignificant difference with healthy soccer players
