Knee collapses on the lunge landing
Valgus on the front leg during the lunge phase.
Overactive muscles
Adductor complexTFL
Corrective work
Foam RollAdductors↗Foam RollTFL↗StretchButterfly adductor stretch↗Valgus on the front leg during the lunge phase.
Hamstring tightness limits the single-leg hinge at the top of the lunge.