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Diagnosis and Treatment of Knee Disorders
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Diagnosis and Treatment of Knee Disorders

The majority of cases of cartilage damage involve the knee joint. Knee pain may result from injury, long-term wear and tear, or from inflammatory arthritis.

Often, when talking about cartilage injury to a knee, many usually mean an injury to one of the menisci. However, the knee also has cartilage covering the ends of the bones in the joint (articular cartilage) and damage can occur here as well. Sports injury, such as anterior cruciate ligament (ACL) tears, may cause meniscus and articular cartilage injury. These injuries may result in loss of joint shock absorption, resulting in the spread of forces across the knee. The force therefore becomes more concentrated, which can lead to a cycle of injury, wear and tear, meniscus loss, and poor alignment. KneeInjuries_v1_20141126

Joint (articular) cartilage protects the bone and spreads out the load around the knee. A cartilage (chondral) defect, results when the smooth cartilage has a tear that exposes the bone. Because the bone has nerves that can sense injury, the person will feel pain. Cartilage damage may also irritate the joint lining, which can also cause pain.

Pain from cartilage injury is not always dramatic. It may sometimes be a dull ache that worsens as the day goes on due to repetitive movement.

The knee ‘giving way’ is a self-protection mechanism in which the knee suddenly stops bearing weight, and suggests that the ligaments in the knee are unstable, or that there are problems with the quadriceps muscles. It may occur during the walking cycle, during sport, or even when getting up from a low chair. These actions expose the bone and, in response to the pain, the knee may give way to protect itself from more pain.

Which cartilage repair techniques are used in the knee?

All the cartilage repair techniques described on this website is used in the knee. Please look through the sections to get an overview of the options.

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