Legend Megan Rapinoe Is Playing Her Final World Cup. Here's a Look Back at Her Career.

"Abs are made in the kitchen," Megan told POPSUGAR — which is where her healthy diet comes into play. "A good plank, though, I love a good plank. I don't do a lot of sit-ups or — I actually do zero sit-ups or crunches or anything like that. I do plank." Pick a few favorite plank variations to feel the burn for yourself.