Front knee caves inward
Adductors and TFL restrict hip external rotation in the lunge.
Overactive muscles
Adductor complexTFL
Corrective work
Foam RollAdductors↗Foam RollTFL↗StretchButterfly adductor stretch↗Adductors and TFL restrict hip external rotation in the lunge.
Thoracic spine too stiff to rotate; lumbar compensates.
Calves too tight to allow full hip hinge.