Understanding Knee Pain and Crunch: Signs of Patellofemoral Osteoarthritis
According to the South China Morning Post, stiff knees or a grinding sound during movement might indicate patellofemoral osteoarthritis, which involves cartilage breakdown on the kneecap and thighbone. Dr. Sven Ostermeier advises early treatment or prevention of this condition.
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The South China Morning Post reports that stiff knees may be an indication of osteoarthritis affecting the kneecap. The publication also raises the question of whether a knee makes a sound similar to a coffee grinder when moving, suggesting this could be a sign of patellofemoral osteoarthritis. This condition involves the deterioration of cartilage located on the underside of the patella (kneecap) and the groove of the femur (thighbone).
Dr. Sven Ostermeier, an orthopaedist located in Freiburg, Germany, stated that the cause is degenerative changes occurring behind the kneecap. He added that it is best to address the condition as soon as possible or, ideally, prevent it entirely.
Ostermeier explained that the kneecap serves a function beyond simply protecting the knee joint. He noted that this disc-shaped bone situated in front of the knee, along with the quadriceps muscle on the front of the thigh, is essential for straightening and extending the leg during activities like walking or standing.
When a person bends or stretches their leg, the kneecap moves back and forth within a groove on the top of the thighbone. Cartilage functions to allow the bones to glide smoothly against one another. When this cartilage deteriorates, the resulting friction can lead to pain, and it can even be heard.
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