Stand for approx. shoulder-wide stance, toes pointing outward.
Keep your knees in line with your toes
Heels should remain in contact with the floor

1. Begin by squatting down as a box squat. Lower your pelvis until you can stay balanced.
At the lowest point, find your position with small movements.
2. When standing up, hold your ankle fixed; don't let your shin move back. Drive your pelvis over your toes. (With added weight, you must stay over your feet.)

If you don't have enough mobility, use can use a book to lift your heel.