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Tag: illness

What causes knee pain

What causes knee pain

Health
The knee is an interesting joint. It is the largest joint in the body and because it's not buried deep in muscle like the hip, it's easily accessible for examination by health professionals. This advantage to doctors has a major disadvantage to the owner of the knee: the joint is very exposed to injury. Consequently a major cause of knee pain is trauma of one sort or another. Being a large joint the knee has an extensive synovial membrane. This is the internal wrapping of the joint which functions to keep in the joint fluid which lubricates and nourishes the knee. Synovial membranes provide a large surface area for immune and autoimmune reactions to take place upon. Knee pain is therefore not uncommonly due to an internal (systemic) illness manifesting in the knee. Other joints c...