Definition: Iliotibial band syndrome is due to inflammation of the iliotibial band, a thick band of fibrous tissue that runs down the outside of the leg. The iliotibial band begins at the hip and extends to the outer side of the shin bone (tibia) just below the knee joint. The band functions in coordination with several of the thigh muscles to provide stability to the outside of the knee joint.
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Iliotibial Band Syndrome
