Many runners tend to suffer from iliotibial (IT) band syndrome—an overuse injury that often causes pain on the outside of the knee. It’s usually blamed on a tight IT band, which leads people to stretch and foam roll the wide strip of tendon on the outside of their thigh in hopes of loosening it. But that may do little good. Strengthening, not stretching, could be the best way to deal with the problem. Take a look at the images below on valuable exercises for loosening that tight IT band!