Essentrics™ is a weight-free, no-impact, strengthening program that rapidly changes the shape of your body. Using fluid, scientifically designed movements, this unique technique dynamically works through all the muscle chains. It's is the only program designed to engage all 620 muscles to keep the whole body strong and balanced. Plus it tones and shapes the body while simultaneously healing it and freeing it from pain. The result: a lean, toned and more flexible you.