Watch: Lions running back gets yanked backwards in resistance training

The Detroit Lions will have a new running back in David Montgomery coming up this NFL season. Everyone is excited, but Montgomery may be a little too excited.

Ahead of training camp, which starts next month, Montgomery has been training hard to get into shape, but in this video that went viral, he is doing a workout with resistance bands that doesn’t exactly go as planned. As he makes it to the other side of the gym running, he’s flung backwards like a slingshot by the bands tied around his waist. It seems like he wasn’t injured, but it looked like a potentially dangerous tumble, so maybe he should take it a little easier. The last thing he needs is an injury before the season even starts.