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Power yoga is essentially yoga with brawn.
It's the American interpretation of ashtanga yoga, a discipline that combines stretching, strength training, and meditative breathing. But power yoga takes ashtanga one step further. Instead of pausing between poses as you would in traditional yoga, each move flows into the next, making it an intense aerobic workout. One element of power yoga that distinguishes it from other forms of the practice is a breathing technique known as ujjayi. It stimulates the parasympathetic nervous system, adding a meditative component to the workout and leaving you with a transforming sense of calm that lingers long after you've rolled up your exercise mat.