Knees cave on the drive
Wide stance with valgus — maximum medial knee stress.
Overactive muscles
Adductor complexTFL
Corrective work
Foam RollAdductors↗Foam RollTFL↗StretchButterfly adductor stretch↗Squat · Lower Body
Box Squat — Wide Stance
Coaching cues
- Feet wider than shoulder-width; toes flared; sit back onto the box
- Sit fully — release the hip flexors; maintain upper body brace
- Drive the knees out hard on the way up
- Wide stance shifts load to the glutes and hips
Common faults 2
Lumbar rounds on the box
Sitting fully releases the posterior chain; erectors disengage.
Overactive muscles
HamstringsErector spinae
Corrective work
Foam RollHamstrings↗StretchHamstring stretch with strap↗