Orangetheory® Fitness is a one-of-a-kind, group personal training workout broken into intervals of cardiovascular and strength training. Backed by the science of excess post-exercise oxygen consumption (EPOC), Orangetheory’s heart-rate-monitored training is designed to maintain a target zone that stimulates metabolism and increases energy. Led by skilled personal trainers, participants use a variety of equipment including treadmills, rowing machines, TRX® suspension training and free weights, burning an average of 500 – 1,000 calories, including after-burn. The result is the Orange Effect!