Gym-goers everywhere have, at some point, encountered another member behaving badly. We spoke to Jon Baraglia, a regional fitness director for Bally Total Fitness, to find out the worst offenses -- and what you can do to stop yourself from making the same mistakes. The most important thing to remember? "The worst offenders are usually exercising the wrong way to begin with," he says. "If you're guilty of any of these, you may want to change your fitness habits, too."
