Feedback is incorporated into training programs to prevent injuries. The superiority of several feedback techniques is still debated and there is a need for gender specific studies. The main aim of the study was to investigate the gender-specific effectiveness of two different feedback techniques (combined verbal training with internal and external focus feedback and video training with instructional feedback) on the landing technique after vertical jump, frontal plane projection angle, and joint position sense in male and female volleyball players with asymptomatic knee valgus. In addition, the continuity of potential positive results in a retention test performed one week after the test session will be evaluated.
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Landing Error Scoring System (LESS) Measurement
Timeframe: baseline, immediately after the intervention, one week after the baseline