Knee caves inward on drive
Knee collapses medially as the lifter ascends.
Overactive muscles
Adductor complexTFL
Corrective work
Foam RollAdductors↗Foam RollTFL↗StretchButterfly adductor stretch↗Lunge · Lower Body
Step-up
Coaching cues
- Whole foot on the box — heel doesn't hang off
- Drive through the heel; knee tracks over toes
- Hip & knee extend together at top
- Control descent — don't fall off the box
Common faults 3
Excessive trunk lean forward
Chest pitches forward to "fall" onto the box.
Overactive muscles
Hip flexorsSoleusGastrocnemius
Corrective work
Foam RollHip flexors / TFL↗Foam RollCalves↗StretchHalf-kneeling hip flexor stretch↗StretchWall calf stretch↗Hip drop on supporting side
Pelvis tips down toward the unsupported leg (Trendelenburg).
Overactive muscles
TFLAdductors
Corrective work
Foam RollTFL↗Foam RollAdductors↗StretchStanding TFL stretch↗