STRONG by Zumba is a revolutionary high-intensity workout led by music to motivate you to crush your ultimate fitness goals. STRONG combines body weight, muscle conditioning, cardio and plyometric training moves for a total body workout. In a STRONG class you will burn calories while toning your arms, legs, abs and glutes. Plyometric moves like high knees, burpees and jumping jacks are interchanged with isometric moves such as squats, lunges, punches and kicks. There are different levels to suit all abilities and fitness levels. abilities and fitness levels.