What is
When a knee is healthy, it allows the flexion of the leg, its extension and daily situations such as bending and squatting. This is possible thanks to the good function of the elements that are part of it such as the meniscus, ligaments and cartilage among others. This last one is a tissue with ideal characteristics to allow the protection function of the knee, however, unlike other types of tissues such as muscles, tendons and bones, it cannot be cured and that is why we must try to take care of it and provide the conditions for it to last for many years.
Maintaining an adequate weight, proper nutrition, performing daily activities with consistency, and maintaining an adequate physical condition will help preserve the structure of this cartilage. When the cartilage deteriorates, the bones that form part of the knee suffer impacts and wear and tear that over time generate symptoms such as pain, functional disability and diminished faculties.

Causes
Several factors increase the risk of developing osteoarthritis of the knee. Below, we will review the most important ones:
- Age: the cartilage’s low capacity for repair decreases every year, to which we have to add the wear and tear that occurs.
- Obesity: given its key location in the legs, this joint is directly overloaded in situations involving excessive weight.
- Hereditary factors: the shape of our legs, of our pelvis conditions a direct overload of this joint.
- Injuries: meniscus and ligament injuries directly lead to increased wear and tear of the joint.
Symptoms
The symptoms accompanying osteoarthritis generally do not appear suddenly, but develop over the years. The most frequent are:
- Pain in the area that is no longer protected due to cartilage wear.
- The crunching sounds that occur when the joint wears out.
- The effusion that produces inflammation that is triggered in an unprotected joint.
- The daily and continuous shock of bones devoid of cartilage.
- Decreased mobility.

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