If you have experienced pain during and after running in the outer knee that makes you limp, wince and stop in your tracks, chances are you have ilio-tibial band (ITB) syndrome. The iliotibial band runs down the outside of the leg, from the outside of the pelvis to the outer knee and the top of the tibia. Not many structures in the outer knee which can cause pain. Pain in this area, especially if associated with a rapid increase in running distance and running on gradients, i