JJ Watt accepts push-up challenge from The Rock

HOUSTON -- Texans defensive end J.J. Watt said his back is "fine" in a video in which he completed 22 pushups as part of the #22PushupChallenge to raise "awareness for those who fight for our freedom and the aftermath of that fight."

Watt, who underwent back surgery last month, was challenged by The Rock on Monday evening. According to #22Kill, the group that began the project, an average of 22 veterans commit suicide every day. The goal of the challenge is "to honor those who serve and to raise awareness for veteran suicide prevention through education and empowerment."

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Watt shared the video with the caption, "Raising awareness for those who fight for our freedom and the aftermath of that fight. They shouldn't have to face it alone." He also added the hashtags #PushUpsArePartOfMyRehab and #DoctorApproved.

Watt challenged gymnast Simone Biles, comedian Jim Parsons, Arnold Schwarzenegger and Justin Timberlake.

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