FIRST WEEK FREE! Utilizing the ballet barre to perform small isometric movements set to fantastic music, Pure Barre is a total body workout that lifts your seat, tones your thighs, abs, and arms, and burns fat in record- breaking time. You will burn calories and gain lean muscle. Its low-impact, isometric movements target and tone certain areas of your body, and your heart rate will go up and down depending on how hard you work.