What is the Iliotibial Band (IT Band)?
The Iliotibial Band (IT Band) is a thick layer of fascia on the lateral (outside) leg running from the hip to just below the knee. This thick fascia is vital in providing stability and support for the lower body. What is IT Band Syndrome? When the IT Band becomes excessively tight it can cause pulling on its insertion at the knee and cause mild to severe pain. The primary muscles involved in IT Band syndrome are the Gluteus Maximus and the Tensor Fasciae Latae (TFL). These muscles are important elements in running (Gluteus Maximus) and standing (TFL). When one or both of these muscles pulls the IT Band tight it causes the IT Band to exert greater pressure on its insertion at the knee, causing the bursa (fluid filled sac) under the IT Band to become inflamed and cause pain. IT Band Syndrome can be triggered by a number of things: Sudden increase in mileage Strenuous hill work Poor pelvic or foot mechanics Poor running shoes Uneven surface conditions Track running The Benefits of Massage