Doing an exercise move the wrong way can be bad. It can be serious-injury-bad. So before you release that enthusiastic workout junkie in you, check this video out. It shows just how many exercises you've been doing wrong.
From planks.
![](https://fooyoh.com/files/attach/images/591/228/804/014/exercise1.gif)
To whatever this is.
![](https://fooyoh.com/files/attach/images/591/228/804/014/exercise2.gif)
Check out the video from Buzzfeed: