About the author:

Howard J. Luks, MD

Howard J. Luks, MD

A Board Certified Orthopedic Surgeon in Hawthorne, NY. Dr. Howard Luks specializes in the treatment of the shoulder, knee, elbow, and ankle. He has a very "social" patient centric approach and believes that the more you understand about your issue, the more informed your decisions will be. Ultimately your treatments and his recommendations will be based on proper communications, proper understanding, and shared decision-making principles – all geared to improve your quality of life.

6 comments on “What Is The Function of a Meniscus ?

  • Dear Dr. Luks
    first I would like to thank you for your generous effort and kind help you provide, I’ve read a lot of your articles.

    two months before i were practice some exercises the last one was squat exercises, few days later i had swelling and pain in my knee when walking but the pain is

    slight

    i did MRI and the findings was:
    – there is mild joint effusion seen
    – evidence of Intra substance meniscal degeneration at posterior horn of medial meniscus.

    i still dont know what that mean exactly!, other knee structure are normal, I’ve visited two Orthopaedic surgeons and both told me to do Physiotherapy and if that
    treatment didn’t work, then will go for arthroscopy surgeory.
    I’ve completed 10 sessions of Physiotherapy and continue to practice the Physiotherapy exercises at home until now, the swelling has decreased but i still feel not
    comfortable in my knee when walking and few pain when walking for half kilometer or so, and still experience knee giving away few times a day.

    i need your advice Dr.Luks I am afried that the surgeory will have negative effect on the long term like deveolped osteoarthritis I’ve read this in some of your
    article, at the same time I’m not sure if i will be oky not having the surgeory.

    sorry for my weak english, i apreciate you taking time reading my message and thanks alot for your kind help.

    • Your english is fine :-)
      The MRI did not show anything wrong…. there is a small amount of fluid. And most people have some degeneration in their meniscus cartilage. Your MRI did not show the source of your swelling and pain.
      More physio seems reasonable.

  • Dr Dr. Luks,

    I am a competitive distance runner (56 years old) at a national level in my age group. Last September I started having pain and soreness on the inside of my knee (no obvious incident that precipitated this). I stopped running for a few weeks and started physical therapy to improve quad/hamstring strength etc. The pain persisted and I had an MRI which showed a “focal horizontal longitudinal” tear of the medial meniscus. I was originally going to get a partial meniscectomy on Dec. 11, however after reading a multitude of articles and the Finnish study from 2013 I felt I should put it off. Since December along with aggressive physical therapy I have built back up to running over 50 + miles per week with some hard running and racing, but the pain has persisted. It’s not debilitating, but there is a lot of soreness along the joint line which never seems to go away. It gets worse after harder or longer runs and somewhat better with rest.

    I am at the point of pulling the trigger on the surgery after having gone back to see the orthopedic surgeon last week. He claims that the tear will get worse over time. However, is this necessarily true for a degenerative horizontal tear? My current situation is a chronic but so far stable discomfort. My surgeon is confident that the surgery will have a positive outcome. Running is a big part of my life. On the one hand if the surgery has a high probability of allowing pain free running it might be worth it, on the other hand if not I would rather run with the discomfort I have assuming I’m not doing further damage.

    Also I have very mild degeneration in the joint (still good joint spacing), and am slightly bowlegged putting some additional pressure on the inside of the knee compared to a normal knee.

    So with all of this said here are my questions:

    Will this type of tear necessarily get worse over time (and am I doing damage to my meniscus by continuing to run on it)?

    If I am not doing damage, is it possible with more time, and strengthening that I can resolve the symptoms or after 9 months of this is that unrealistic?

    Considering this type of tear what is the statistical likelihood of a positive outcome after partial meniscectomy as far as being able to run competitively?

    Thanks very much for any insights you could offer.

    • Very difficult issue, especially in runners such as ourselves — although I am not elite :-)
      Removing a portion of the meniscus puts you at risk of developing worsening OA. Repairs are now possible with horizontal tears … but many surgeons do not perform repairs (suture the tear). Your bowed-leg or varus deformity puts you at risk for medial compartment OA and further degenerative tearing of the medial meniscus. Some tri-athletes and very active runners have chosen high tibial osteotomies to stay active to reduce load on the medial side and preserve the knee from excess medial stress.
      As you can see, the decision making is not easy. But having the meniscus removed and having the knee remain bowed, or in varus, sets you up for further problems down the road.

      Consider a few different opinions and try to see an academic surgeon who can help you think through all the ongoing issues.

  • Dear Dr. Luks,

    Thank you so much for your response. It is greatly appreciated that you are willing to take the time to do this. Considering your comments I believe I will take more time to consider the options rather than doing the partial meniscectomy right now. None of the surgical options look great. In the meantime in addition to seeking another opinion or two is it possible that very aggressive quad, hip and hamstring strengthening and physical therapy could reduce or delay potential continued degenerative tearing? (i’m not quite ready for what we call in San Diego “the dead runners club” – that is the bicycle – if at all possible!)

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