This is a quad killer song where you will workout one leg at the time, keeping the pressure on until it burns! This is a great workout if you want to shape your legs and get your heart rate up.
You'll need to master the lunges to be able to perform that track correctly. If you are not too sure, watch his first (video).
Or you can refer o this article from "Strength training Basics"
At the end of the track, there are some plyo lunges (jumping), but remember that you don't have to jump, it is only a suggestion if you feel like challenging yourself.