You Have to See This Olympian's Epic Stair-Jump Workout to Believe It

We promise you've never seen a workout like this before. Norwegian track and field athlete Ezinne Okparaebo posted this video of a stair-jump exercise to her Instagram account, which has since gone viral. She makes leaping through the air look easy, so it's no wonder the two-time Olympian is Norway's fastest woman of all time.