Seen jump training workouts cropping on your social media feeds lately? Me too. It seems that everyone is either talking about it, or doing it. Or, as it turns out, searching about it, with Google ...

Until a few years ago, I was thin but unfit. Literally clueless about what to do in a gym. Then metabolism hit me in the face (actually, my waistline), and I had to learn the ins and outs of fitness ...

These days, most fitness classes make a lot of bold claims: It’s the best workout of your life. You’ll be instantly hooked. You’ll shave inches off your waist. But rarely do they claim you’ll have fun ...