Knee collapses on both the lateral and curtsy positions
Combined frontal and transverse plane loading amplifies valgus.
Overactive muscles
Adductor complexTFL
Corrective work
Foam RollAdductors↗Foam RollTFL↗StretchButterfly adductor stretch↗Combined frontal and transverse plane loading amplifies valgus.
Single-leg stability is insufficient for the combined movement.