ZOA is caused by joint damage. This damage can accumulate over time, which is why age is one of the main causes of the joint damage leading to osteoarthritis. The older you are, the more wear and tear you’ve had on your joints.
Other causes of joint damage include past injury, such as:
They also include joint malformation, obesity, and poor posture. Certain risk factors, such as family history and gender, increase your risk of osteoarthritis.
OA can occur in any joint. However, the most commonly affected areas of the body include the:
The most common symptoms of osteoarthritis include:
OA occurs in five stages, from 0 to 4. The first stage (0) represents a normal joint. Stage 4 represents severe osteoarthritis . Not everyone who has osteoarthritis will progress all the way to stage 4. The condition often stabilizes long before reaching this stage.
People with severe osteoarthritis have extensive or complete loss of cartilage in one or more joints.
The bone-on-bone friction associated with this can cause severe symptoms such as:
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