The burning sensation on the outside of your knee that starts around mile three, fades with rest, and returns the moment you push volume again — if you recognize that pattern, you already know how disorienting iliotibial band syndrome can be.

If you are dealing with a medial meniscus cyst, you already know how persistent and confusing this condition can be. The inner side of your knee aches. There is often a palpable lump that comes and goes.