Your IT band feels super tight and achy, and the discomfort intensifies as you run. So you take what seems like the logical next step to reduce your pain: You foam roll the heck out of it. “Everybody loves to sit on a foam roller and just dig into the IT band as much as they can,” Thomas Cunningham, PT, DPT, OCS, a physical therapist at Hospital for Special Surgery in New York City, tells Runner’s...