Iliotibial Band Syndrome
Why does the outside of my knee hurt? The iliotibial band (ITB) is a continuation of the tendon portion of the tensor fascia lata (TFL) muscle, with some contribution from the gluteal muscles. Iliotibial band syndrome is a common injury affecting the lateral (outside) of the knee. This is an overuse injury caused by repetitive friction of the ITB over the lateral femoral epicondyle (a bony prominence in the outside of your knee). The ITB moves anterior (forward) to the epicondyle...