Many of you .. particularly the runners and cyclists amongst you, often come to me with knee pain. Over 80% of the time this pain is caused by the IT Band. The IT Band is a thick band of fibrous tissue that runs down the outside of the thigh, from the hip to the top of the tibia (shin bone). Increased tension within the IT Band is often the cause of knee pain as it compresses bursae (fluid filled sacs) and creates inflammation around the patella when the knee moves through