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A tear of a meniscus is a rupturing of one or more of the fibrocartilage strips in the knee called menisci. When doctors and patients refer to "torn cartilage" in the knee, they actually may be referring to an injury to a meniscus at the top of one of the tibiae. Menisci can be torn during innocuous activities such as walking or squatting.
Each meniscus has an outer vascular zone (red-red zone), which has a good blood supply and healing potential as well as a central avascular zone (white-white zone), which has limited healing capability. [2] The medial meniscus is more prone to injury due to its firm attachment to the joint capsule and limited mobility.
Then there is severe, which without treatment, a piece of meniscus may come loose and drift into the joint space. Tears include longitudinal, parrot-beak, flap, bucket handle, and mixed/complex. Epidemiology. Injury to the medial meniscus is about five times greater than injury to the lateral meniscus due to its anatomical attachment to the MCL ...
ACL reconstruction can protect the meniscus from injury, doctors say. A weak knee can also lead to another ACL tear. In fact, 11 patients (14%) in the new study re-injured their ACL.
MENISCUS TEARS. The meniscus is a crescent-shaped rubbery disc of cartilage that serves as a shock absorber on the inside and outer edges of the knee. Both help a person balance weight across the ...
The components of each of these compartments can experience repetitive strain, injury or disease. [1] Running long distance can cause pain to the knee joint, as it is a high-impact exercise. [2] The location and severity of knee pain may vary, depending on the cause of the problem. Signs and symptoms that sometimes accompany knee pain include: [1]
There are two general types of meniscus injuries: acute tears that are often the result of trauma or a sports injury and chronic or wear-and-tear type tears. Acute tears have many different shapes (vertical, horizontal, radial, oblique, complex) and sizes.
Symptoms include pain, an audible cracking sound during injury, instability of the knee, and joint swelling. [1] Swelling generally appears within a couple of hours. [ 2 ] In approximately 50% of cases, other structures of the knee such as surrounding ligaments , cartilage , or meniscus are damaged.