Front knee caves inward
Adductors restrict hip external rotation; knee collapses medially.
Overactive muscles
Adductor complexTFL
Corrective work
Foam RollAdductors↗Foam RollTFL↗StretchButterfly adductor stretch↗Adductors restrict hip external rotation; knee collapses medially.
Lower back arches instead of the hip flexor stretching.