Glutes, Quadriceps
Hamstrings, Calves, Hip Flexors, Core
Watch Tutorial
https://www.youtube.com/shorts/uB6C5ERjrjw
https://www.youtube.com/shorts/P9gOoqgHpEE
https://www.youtube.com/shorts/eXjslhDw86M
https://www.youtube.com/shorts/h0PmfUyCC20
Stand facing box/bench.
Step up right foot.
Push through right heel.
As you stand, drive left knee high towards chest.
Lower left leg.
Step down left, then right.
Repeat leading right, then switch.