Your body is a marvel of efficiency: Do something over and over and, before long, you get so good at it you do it on autopilot. That’s a wonderful thing when it comes to learning a new language, it’s not so great when it comes to your workout.
There’s a simple way to get your body back in fat-blasting mode: Temporarily ditch your go-to moves. "When you change up your workout, your body works harder because it’s in unfamiliar territory," explains Amy Dixon, a Santa Monica, California–based trainer and exercise physiologist. "That’s what causes it to burn more calories and build more muscle."
