Watch Kathy Smith's Power Step Workout (1970) : Full Movie Online Free The power step routine is a three part workout that increases difficulty with each segment. The bonus routine is a Fat Burning Breakthrough step workout that can help you see results. Stepping is a great workout that offers cardio and sculpts leg muscles. This 50 minute power step routine will lead your through three different segments, increasing the difficulty with each routine. This will help you burn more calories, increase fitness level, and tone your thighs and glutes! This routine is followed by a bonus 55 minute Fat Burning Breakthrough exercise routine that will have you working up a sweat!