India, Aug. 29 -- When it comes to shedding fat, most people swear by cardio, endless crunches, or long runs. However, fitness coach Zack Chug reveals in his August 28 Instagram post that the real game-changing exercise for fat loss is something else entirely, and it might surprise you.

Zack explains in his post, "This is the best exercise to lose fat. And no, it's not running, HIIT, or doing hundreds of crunches. It's actually fasted incline walking. Let's break it down."

Sharing the benefits of this routine, he says, "When you exercise, your body either burns carbs or fat. Which one it uses depends on intensity and heart rate. At high intensity, like running, the body prefers glycogen, basically stored carbs, because they break down q...