You've seen people using them at the gym...but you aren't quite sure what they are.

They look like foamy tubes, and for some reason, people roll all over them. Even if you're just slightly confused, we're here to clear things up for you.

These strange cylindrical things are called foam rollers and they have a ton of health benefits -- plus, they're not just for people at the gym. They've become extremely popular over the past few years...and here's why!

1. Foam rollers help prevent injury.

They're one of the best tools to get a self-myofascial release. This allows normal blood flow to return to your muscles and restores healthy tissue. Because you can target specific areas, this benefit happens almost immediately.

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