A lot of training programs and routines are available, but there are some that work best for specific people. Orangetheory Fitness offers one of those high-intensity workouts that have been tested to improve metabolism, causing what they call “afterburn”. In just an hour of workout, you can expect about 500 calories to be burned. The result speaks for itself. Work with the expert trainers of Orangetheory Fitness to see how their scientific-based approach operates.