We figured that our story on "The 8 Worst People at the Gym" would get a big reaction out of our readers. After all, guys at the gym care—a lot—about getting a good workout in, and the idiots who prevent them from doing that are, well, idiots.
But you guys really brought the heat on this one, particularly via social media. So we're handing the microphone to the crowd, and letting you speak up about the worst people you've encountered at your local sweatbox. Here are 13 of the worst offenders.