Various Hollywood stars are taking part in a new viral call to action that is reminiscent of the popular Ice Bucket Challenge.
Motivated by the number of U.S. military veterans who commit suicide daily, the 22 Push-Up Challenge dares participants to drop and give 22 for charity.
Click to see who's getting down (and up again, repeatedly) for the cause.
Dwayne Johnson was challenged by Chris Pratt and took it on with his dog. After he completed the push-up challenge, he nominated Kevin Hart, J.J Watt and Olympic swimmer Simone Manuel.
Watch his challenge here.