Effect of lower-limb fatigue on kinematic variables during an unanticipated block among adolescent female volleyball players.

In the present study, although the observed increase in knee valgus following the fatigue protocol did not reach statistical significance, this trend may indicate alterations in neuromuscular control as a result of fatigue, aligning with the findings of Fidai et al., who reported an increase in valgus among adolescent athletes [ 15 ].

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