Must-See: Michelle Obama Does Push-Ups with Ellen DeGeneres

We all know First Lady Michelle Obama loves a good challenge. So when TV host Ellen DeGeneres asked "How many push-ups can you do?" Mrs. O. obliged and got down to business.

"I'm just wondering if you could do more push-ups than I can do?" said Ellen. "It depends on how your back is," teased the First Lady. "I know that you have these back issues." The First Lady completes an impressive 25 push-ups without breaking a sweat.

Watch this fun clip of the First Lady accepting Ellen's push-ups challenge.