POWER-FLOW YOGA with MOLLY Four CLASSES for two Guest This is a more athletic and vigorous approach to Vinyasa style yoga, so we will still be following the breath but it moves more continuously and quickly, really trying to keep moving the whole 60-90 minutes. This makes for a full body workout where you can gain tone and strength, flexibility and stamina. Unlike Ashtanga yoga, it does not follow a set series of poses so the class can be changing all the time and be tailored to each different groups fitness and experience levels.