Are you guilty of these five exercise goofs?

From correct form and gym etiquette to counting calories and fitness apps, the exercise world can be a confusing place. When you're unsure of the right way to do things, it's easy to make mistakes. Unfortunately, mistakes can lead to injury, burn out, and a lack of results, all of which lead many well-intentioned exercisers to quit prematurely.

Before giving up on exercise or becoming another injury statistic, take a close look at your exercise routine and ask your trainer: could one or more of the following mistakes be the reason exercise isn't working for you?