Lunge knee caves inward
The bent knee must track over the toes; caving removes the groin stretch.
Overactive muscles
Adductor complexTFL
Corrective work
Foam RollAdductors↗StretchButterfly adductor stretch↗The bent knee must track over the toes; caving removes the groin stretch.
Both heels must stay flat; rising heel means ankle mobility is limiting the stretch.