1
Stand facing the box/step with feet hip-width apart, torso upright, arms extended forward at shoulder height for balance
2
Position one foot on the box with the heel near the edge, ensuring the front knee is aligned over the ankle with a 90-degree bend
3
Lower the back leg by bending the front knee and descending into a lunge position until the back knee nearly touches the ground, maintaining an upright torso
4
Drive through the front heel to extend the leg and return to the starting position, pushing off the box to stand upright with both feet on the ground