Here's everything you should know about iliotibial band syndrome—plus, the IT band exercises that can help to prevent it. One second you’re running with your hair blowing in the breeze, pump-up jams ...

There are few areas of the body as misunderstood as the IT (iliotibial) band. What is it, anyway? Though some think it's a muscle, it's actually fascia (aka connective tissue) that runs from the ...