The 21-year-old shared the clip on X on Thursday night. It shows him scrolling on his phone as he leaves a room and heads downstairs.

When it comes to walking up and down the steps. Even professional athletes are prone to slipping or falling down the stairs ...

In the black-and-white video, Arnold walks through his hallway to go downstairs. After taking one step down the stairs, he slips back onto his backside and slides down the length of the stairs.

The Detroit Lions may have lost cornerback Terrion Arnold in Sunday night's showdown against the Minnesota Vikings. The injury happened in the third quarter when Arnold got awkwardly wrapped up ...