The newest social media challenge has nothing to do with pouring a bucket of ice over your head. Instead, videos of people doing dozens of push-ups will fill your Newsfeed (if they haven’t already). The 22 Push-Up Challenge raises awareness that an average of 22 veterans commit suicide every day.

Participants record videos doing 22 push-ups per day (using any variation they want!) for 22 days and share their experience on social media. At the end, they nominate three friends to complete the challenge. People all over the world are dropping and giving 20 22. Here are some familiar faces doing push-ups for an awesome cause: