Meniscus tears are a very common knee injury, especially among athletes. Sudden twisting movements — such as pivoting to catch a ball — can tear the cartilage. People with arthritis in their knees are also more prone to meniscus tears. Show
OverviewWhat is the meniscus?Two pieces of cartilage sit inside your knee, between your thighbone (femur) and shinbone (tibia). This cartilage is the meniscus. The rubbery wedges of cartilage act like shock absorbers for your knee, providing cushioning for your bones and knee joint. What is a meniscus tear?As you get older, the cartilage in your knees wears down and gets weaker. This thinner cartilage can tear more easily. Arthritis (a breakdown of cartilage in the joints) can also lead to a meniscus tear. How common are meniscus tears?A torn meniscus is a very common knee injury. Often, athletes and people who play sports for fun suffer meniscus tears. The injury also commonly affects older people and those with arthritis in their knees. Who might tear a meniscus?People who play sports (like tennis, soccer, basketball or football) that involve sudden twisting movements are most likely to tear a meniscus. Playing contact sports also increases your risk of a meniscus tear. Getting hit or tackled can make you twist your knee, tearing the cartilage. Symptoms and CausesWhat causes a meniscus tear?Most often, the meniscus tears during a sudden motion in which your knee twists while your foot stays planted on the ground. The tear frequently occurs while playing sports. People whose cartilage wears down (due to age or arthritis) can tear a meniscus from a motion as simple as stepping on an uneven surface. Sometimes, degeneration from arthritis causes a tear, even without a knee injury. What are the symptoms of a torn meniscus?People who tear a meniscus often feel like something has popped in their knee at the time of the injury. Other symptoms include:
What are the complications of a torn meniscus?If your torn meniscus doesn’t heal properly, your knee won’t be as stable as it was before the injury. That can increase your risk of other knee injuries — like an ACL tear or other torn ligament. Diagnosis and TestsHow is a meniscus tear diagnosed?Your healthcare provider will physically examine your knee, looking for signs of swelling. They will test your range of motion. You may also get imaging tests, such as X-rays or an MRI, to assess the damage. Your provider may recommend knee arthroscopy to better view and accurately diagnose your injury. During this procedure, the surgeon inserts a tiny camera (called an arthroscope) through a small incision into your knee. Management and TreatmentHow can I treat a torn meniscus at home?Depending on the size and location of your meniscus tear, it may heal without surgery. Your healthcare provider may recommend taking a nonsteroidal anti-inflammatory (NSAID) medicine (such as ibuprofen or aspirin) to relieve pain and reduce swelling. In the days following your injury, you should also follow the RICE protocol. RICE stands for rest, ice, compression and elevation.
Is knee surgery necessary to repair a torn meniscus?More serious meniscus tears may not heal on their own. If your injury doesn’t improve with RICE, NSAIDs and physical therapy, your healthcare provider may recommend arthroscopic surgery. Surgery is a very effective way to repair a torn meniscus. If the tear is too big to repair, your surgeon may remove all or part of the meniscus. After recovery, your knee will be more stable, and you’ll be less likely to develop additional knee problems. PreventionHow can I prevent a torn meniscus?It can be hard to prevent an accidental injury. But you can reduce your risk of a torn meniscus if you:
Outlook / PrognosisWhat is the prognosis (outlook) for people with a torn meniscus?Most people who tear a meniscus can return to full activity. If you have surgery to repair a torn meniscus, your knee should be fully recovered after a few months of physical therapy. If you have surgery to remove all or part of your meniscus, you may be at higher risk of developing arthritis down the road. That’s because you now have less shock absorption in your joint. Over time, the joint can break down. Living WithWhen should I call the doctor?You should call your healthcare provider if you:
What questions should I ask my doctor?You may want to ask your healthcare provider:
A note from Cleveland Clinic A torn meniscus is a very common knee injury. It usually results from twisting your knee suddenly. It can happen playing sports, exercising or just doing daily activities. Small tears often heal on their own, while others may require arthroscopic surgery. Most people fully recover from a torn meniscus and can get back to doing their favorite activities without knee pain. Share Facebook Twitter LinkedIn Email Print Last reviewed by a Cleveland Clinic medical professional on 04/17/2021. References
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Can a medial meniscus tear heal on its own?If the tear is located on the outer part of the meniscus, there is a chance that it may heal well on its own. However, if the tear is on the inner two-thirds – where blood supply is limited – it will most likely require surgery.
How is a medial meniscus tear treated?Conservative treatment — such as rest, ice and medication — is sometimes enough to relieve the pain of a torn meniscus and give the injury time to heal on its own. In other cases, however, a torn meniscus requires surgery.
How long does it take to heal from a medial meniscus tear?Meniscus tears are the most frequently treated knee injuries. Recovery will take about 6 to 8 weeks if your meniscus tear is treated conservatively, without surgery. If your symptoms persist after 3 months or your symptoms become significant, your doctor may recommend surgery to repair the tear.
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