Now we know first lady Michelle Obama means business when it comes to physical health. While Mrs. Obama was a guest on The Ellen DeGeneres Show to promote her “Let’s Move” healthy eating campaign, Ellen DeGeneres made a friendly push-up contest. challenge to the first lady.

“How many push-ups can you do? Because I like to do a push up,” said DeGeneres. Michelle coyly replies “Well um you know, I don’t know. I can do some — can you?” The first lady then gently teased DeGeneres, “You know it depends on how your back is, because I know you have these back issues.” “Oh no,” said DeGeneres, who popped out of her seat and sprung into action

By the time they finish, Michelle Obama tallies 25 push ups. “How amazing is that!?” said DeGeneres.

WATCH the first lady and Ellen’s push-up match