Look, I’m gonna be straight with you – those online calculators that tell you exactly how many jumping jacks you need to burn 500 calories? They’re basically making educated guesses about your body.

As most regular readers of Master Class know, I'm a big fan of gamification. That is, creating little competitions to make a workout more interesting. The actual rules of the game are not particularly ...

Working out in virtual reality just might be the best of both worlds, at least in the fitness universe. You get to play a video game and get a workout in, too. Plus, you can do the workouts at home ...