Foam rollers are a ubiquitous tool at most gyms.

And that's for a good reason: myofascial release is an important component of maintaining healthy joints and muscles.

But did you know you can use a foam roller as a training aid and a resistance tool?

"I love that foam rollers can be used to make some exercises harder and other exercises easier," says Sean Garner, trainer at Anatomy 1220 in Miami, Fla.

Or maybe you're sore from a heavy lift and want to perform a lighter recovery workout to get the blood flowing.

Here are a few of Garner's favorites: