Fixing the most common fitness mistakes

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

DENVER -- Working out on your own can be frustrating, it's hard to know if you're doing things right or if it's really doing you any good?

So, we brought in our fitness expert Joana Canal to talk about the most common mistakes people make in the gym and how to fix them.