Dynamic Knee Alignment and Pelvic Balance: Comparison Regarding Gender in Young Soccer Athletes.

 To evaluate knee alignment in the frontal plane and pelvic balance during the step-down test in female and male soccer players.  Cross-sectional study carried out with male and female soccer players from under-15 and under-17 teams of a professional club in Southern Brazil. The step-down test was performed, filmed with a video camera, and evaluated according to the angular measurements obtained during movement using the Kinovea software (open source), version 0.