The center estimated Charlottesville had a population at 47,783 as of July 1, 2014, up from 43,475 in 2010. Albemarle is estimated to have increased by 4.8 percent with a population of 103,707 as of July 1, 2014.
An average class will burn 300 calories in one hour. Power Yoga is an active yoga. The main feature of Power yoga is to move quickly between poses to increase heart rate. Because of high intensity most classes typically last 30 to 45 minutes, rather than 60.
As with everything, it depends on how much effort you put into it. According to my HRM, I burn (at my current weight) burn somewhere between 400-550 calories in a class. The class is an hour class, but the actual excercise time is around 50-55 minutes.