Iliotibial Band syndrome. This occurs once the rough band of tissue that extends from the surface of one's hip to the outside of the knee (iliotibial band) turns into so limited that it rubs from the outer part of your thighbone. Length runners and cyclists are especially vulnerable to iliotibial https://medium.com/@drbakularoraseo/knee-ligament-injuries-a-comprehensive-guide-to-understanding-treating-and-preventing-1a80505ba048