Intensely hot workouts become more the rage; Yoga, indoor cycling, and ballet classes now offered in blistering temperatures

While Bikram yoga launched the hot yoga craze years ago, extreme fitness fans in Manhattan and Los Angeles are turning up the heat even more in an array of classes, from the ballet-based barre method to indoor cycling, all performed in blistering temperatures.

According to an article on the burgeoning trend last week in the New York Times, religious exercisers are looking for hotter and hotter classes, all in search of “a jackhammering heart rate, pliable muscles and a psychologically satisfying sweat that devotees describe as ‘detoxing.'”