Place a box (or a stool if you’re training at home) in front of you Stand upright with a narrow stance 1.5 – 2 feet away from it.
2. Shift your weight onto one leg in order to raise the other one and place your foot on the box.
3. Now shift your weight onto the top leg to extend your knee, allowing your other foot to step on the box.
4. Reverse the steps back to the ground and return to the starting position.