This dynamic, physically demanding practice synchronizes breath and movement to produce an internal heat designed to purify the body. Ashtanga yoga, with its many vinyasas, is great for building core strength and toning the body. It heats the blood, cleaning and thinning it so that it may circulate more freely. Improved blood circulation relieves joint pain and removes toxins and disease from the internal organs. Prepare to sweat as you briskly move through a set sequence.