This exercise works your lower body especially your glutes. To make this exercise more challenging you can use weights.
Begin by kneeling on the mat, one knee up and the other one on the mat. Push up with the leg that is up on the mat coming to a standing position on the front of your mat. Both feet should be together. Go back to kneeling on the opposite leg and step up. This is one rep. do 2-4 sets 20 reps.