The company has amassed 700 locations, more than doubling sincethe end of 2015.
Orangetheorys website invites users to Work for 1 Hour.
Orangetheory trainers whip participants into frenziesacross several workout stations, including treadmills, rowing machines and weight rooms.
Theres nothingwrongwith Orangetheorys workouts, and if you enjoy the experience theyre a fine way to exercise.
But if youre drawn to them because of the calorie-burningtheory, theres a few things you should know.
To replenish itself after strenuous, heart rate-raising exercise, the body breaks keeps breaking down fats longafteryoure done.
Gibala has led experiments that test the calorie burn of high-intensity exercise.
In some cases, the body keeps burning calories to recover for hours.
Personal trainers tend to talk a lot about afterburn and its often overstated, says Gibala.
Male long-distance runners tested the idea ina studypublished in theJournal of Applied Physiologyin 1997.
So what happens when you add up the exercise burn and the afterburn?
Gibalas department at McMaster University oversawa 2014 studythat attempted to measure the benefit of EPOC.
The other group did 50 minutes of more moderate cycling.
Within 24 hours, the two groups consumed about the same amount of oxygen.
Thats about double the number of calories per minute.
So if 50 minutes of continuous exercise sounds more pleasant and doable, the benefit is about the same.
Simply put, you really have to train hard for a long time to get the afterburn effect.
I would say its wishful thinking for most people.
Diet is the main driver of weight loss, he says.
The potential for weight loss is moderate in changes in diet.
Exercise is mainly for cardiovascular health.
