Step-ups: Stand with a sturdy step or box in front of you and place your left foot squarely on the step. Your entire body should lean slightly forward so that you can transfer your weight to your left foot. Force your left leg (primarily the glutes) to do the work by pushing with the heel and really concentrate on using ONLY your left leg…keep the right leg passive, especially as you initiate the step-up.
The height of the step can be increased as you become more proficient at performing this exercise, however it should not cause your knee to be bend tighter than a 90 degree angle.
How many? 10 slow & controlled reps on each leg. You may increase to 3 sets of 10 reps.
By the way, it’s important for you too know that you can not “burn the fat” off your butt or any other problem area on your body…please read Spot Reduction Doesn’t Work for more information!