Tip - What Is a Foam Roller, How Do I Use It, and Why Does It Hurt?

So you've got a foam roller, but do you know how to use it? Do you know what it's actually doing and why it hurts? Here's some info on how to do self-myofascial release (that's what it's called).
Tags: foam roller,lacrosse ball,massage therapy,mobility,myofascial release,self-myofascial release,Mobility & Recovery