Who can and who can’t kneel after knee replacement

Ross A. Hauser, MD. Caring Medical Florida
Danielle R. Steilen-Matias, MMS, PA-C. Caring Medical Florida

Who can and who can’t kneel after knee replacement

For some people, there may be no choice, they will need a knee replacement. One of the problems encountered after knee replacement is the patient’s inability to kneel. What makes this problem so frustrating for some, as we will see in the research below, is that there does not seem to be a consistent reason why people who should be able to kneel after knee replacement cannot.

Now if you are exploring a knee replacement, we typically find that people who can can still bend their knees, are able to put weight on their knee in a kneeling position, and are able to lift themselves up from bed, out of a car, or from a low position, are realistically good candidates for our non-surgical treatments. However, each individual varies and this is not to say this would be characteristic of everyone. You can contact us below and we can help assesses what is happening in your case.

Now if you already had a knee replacement and are running into kneeling challenges, let’s cover some research and clinical observations.

Kneeling ability is consistently the poorest patient-rated outcome after total knee replacement

A July 2019 paper (1) from the Bristol Medical School at the University of Bristol that we also cite below offers us a good introduction to the problems of kneeling following a total knee replacement.

“Kneeling ability is consistently the poorest patient-rated outcome after total knee replacement, with 60-80% of patients reporting difficulty kneeling or an inability to kneel. Difficulty kneeling impacts on many activities and areas of life, including activities of daily living, self-care, leisure and social activities, religious activities, employment and getting up after a fall. Given the wide range of activities that involve kneeling, and the expectation that this will be improved with surgery, problems kneeling after total knee replacement are a source of dissatisfaction and disappointment for many patients.”he ability to kneel goes beyond religious observance. It is the ability to get up after a fall. It is the ability to care for one-self. It is the ability to preserve the other knee that is not bad enough to get replaced.

For many people, the ability to kneel goes far beyond religious observance. In many patients we see, who had knee replacement, or are exploring their options, little information is given or was given in regard to their the ability or later to find out, inability to kneel. This became, or became crucial when they realized the ability to kneel, is the ability to get up after a fall and put pressure on the bent knee and their ability to go about their daily chores.

We hear things like this. The grandmother

I had the knee replacement. I was told that I could not kneel anymore, if I had to kneel, I had to put a lot of padding down on the ground. I like to clean, I like to get on the floor and scrub. My washer and dryer are front loaders, before I had the knee pain I would sometimes find it easier to kneel rather than bend over. I have grandkids, I like getting on the floor with them to play.

I was told that the hardware from the knee replacement may make kneeling painful. I was reassured that I would not damage the hardware if I knelt but I should use the padding. So I got my husband to help me and I tried to start practicing kneeling at home. I put a lot of pads down, it was uncomfortable, but the real problem was I had no idea how to get up. My “good knee,” the knee that did not need the knee replacement or was not that far gone enough to get one, and my new knee, because of muscle atrophy following the surgery, were neither strong enough to get me up again. I was on the ground, I could not get up by myself.

We hear things like this. The home improvement construction guy

I had to get the knee replacement. I was very aggressive in my rehab as I had to get back to work.  I came back sooner than I should have and was lucky that it did not set me back. My problem is that I am over compensating now and “my good knee,” is deteriorating.

Let’s stress again that many people have great results with their knee replacement. They do not have problems with kneeling or other complication. This are people we do not typically see in our office. We see the people for whom expectation of what their knee replacement could and could not do for them was not met.

For more information on getting back to work please see our article: How fast can I return to work after knee replacement? 15 to 30% of patients do not return to work 

I don’t kneel because I do not want to damage the hardware

A December 2019 study in The journal of knee surgery (2) comes to us from researchers at Massachusetts General Hospital, the University of Miami Miller School of Medicine, and the Rothman Institute of Orthopaedics. In their study of 404 patients who had knee replacement and difficulty kneeling the researchers found:

60-80% of patients reporting difficulty kneeling or an inability to kneel

In the research from the University of Bristol, (1) the doctors noted 60-80% of patients reported difficulty kneeling or an inability to kneel after knee replacement. The problem beyond the inability to heal is why can’t these people kneel? They should be able to. So the researchers speculated the following points.

Maybe it is not in your knee but in your head. Nerve pain versus in your head pain

We have been helping people with a lot of musculoskeletal difficulties for 27 years. The number of people who have been in our office because they were constantly told that their problems were not in their joints but in the head were vast. Many times we find the problems are not in the patient’s head but are actually in the joints.

This concept that a patient is having difficulty kneeling because they have a fear of kneeling or rather a fear of the pain kneeling may cause them is not a new idea but it is the subject of a lot of current research. A study from March 2019 published in the medical journal Knee (3) from doctors in the United Kingdom asked the question, Why do patients not kneel after total knee replacement? Is neuropathic pain a contributing factor?

Here are the summary points of this research:

The findings:

Conclusion:

“Kneeling ability varies greatly post-knee replacement, and is multifactorial. Greater pain is a contributing factor to the inability to kneel postoperatively, but this appears to be nociceptive rather than neuropathic in nature.”

Comment: If kneeling is an important part of your life, you should discuss your ability to do so with your doctors before you being any treatment.

People should be able to kneel after knee replacement – why aren’t they? Research: It has nothing to do with the knee replacement

Let’s look at a January 2019 study in the Journal of Knee Surgery. (4) It comes from  the Department of Orthopaedic Surgery, The Johns Hopkins University.

Here are the summary points:

When a patient says “I just can’t kneel.”

Let’s look at another study looking for answers, here we have doctors at the University of Bristol  in the United Kingdom publishing in the journal Disability and rehabilitation, April 2019 (5)

Results:


Our patient Jeannette had issues with spinal stenosis and problems post knee replacement.

Jeannette describes a foot tingling problem. She cannot sit down and relax at the end of the day, it is uncomfortable for her to put her feet up or down because it is tingling. She had a nerve conduction study that shows an injury to her peroneal nerve. The peroneal nerve branches out from the sciatic nerve. As it provides sensation to the front and sides of the legs and to the top of the feet, damage to this nerve would result in burning and tingling or numbness sensation in these areas. Further damage to this nerve would also cause loss of control in the muscles in the leg that help you point your toes upward. This can lead to walking problems and possibly foot drop, the inability to lift the front of the foot or ankle. Knee and hip replacement are leading culprits in the cause of peroneal nerve injury.

In Jeannette’s case she had two knee replacement surgeries in that knee. After the first knee replacement surgery the implant started to protrude away from the limb. The knee replacement became loose. The second surgery to fix the first one occurred in 2015.

It was determined after examination that Jeannette’s knee ligaments were loose. Her knee was hypermobile and unstable. This was causing pressure on her peroneal nerve. Knee ligament damage and weakness is also a complication of knee replacement surgery and is discussed further below.


So can we do anything about it? When it is a problem of the knee replacement knee

Can we help you with your continued knee pain after knee replacement surgery? In this article Problems after knee replacement Finding help for post-replacement pain we will explore the problems identifying the source of knee pain after knee replacement and how identifying and treating soft tissue damage may be the answer to pain after knee replacement.

In this video, Ross Hauser, MD explains the problems of post-knee replacement joint instability and how Prolotherapy injections can repair damaged and weakened ligaments and that will tighten the knee. This treatment does not address problems of hardware malalignment that our patient Jeannette described in the video above. 

Summary of this video: A patient with back pain and a clicking in the knee

The patient in this video came into our office for low back pain. I did a “straight leg raise test,” in this patient to help determine if his back pain was coming from a herniated disc. During the test I noticed a clicking sound coming from his knee. The patient had a knee replacement. It is very common for us to see patients after knee replacement who have these clicking sounds which coming from knee instability. This is not an instability from hardware failure. The hardware may be perfectly placed in the knee. It is instability from the outer knee where the surviving ligaments are. I believe that this is why up to one-third of patients continue to have pain after knee replacement.

The unexplained noises my knee is making.

This is something we typically hear in a post-knee replacement patient who is having some challenges.

I started to become concerned when I noticed a clunking and clicking sound coming from my knee. Like metal on metal. My doctor told me that this was no concern, some people who get knee replacements have these “old car,” sounds come from their knee. Not to worry. My doctor did advise me that the sounds, if they continued could be caused my weakened muscles and tendons in my knees and I should consider an exercise program to tighten them up.

I did ask if the knee implant was coming loose. My doctor said, if it were, I would not be able to walk up and down stairs or even put weight on that foot. I would have a lot of swelling and I would feel like my knee may give out. I looked at the doctor and said, BUT I DO HAVE THOSE SYMPTOMS, “Yes you do,” the doctor said, but it is not from implant loosening. You probably just need to strengthen that knee up.

How can we help these problems? The often overlooked and ignored cause of knee instability and possible causes of inability to kneel after knee replacement – the Knee Ligaments.

When a knee replacement is performed, the joint itself has to be stretched out so the surgeons can cut out bone and put in the prosthesis. When the joint is stretched out, the knee ligaments and tendons that survive the operation will cause pain as they heal from the surgical damage. Sometimes the ligaments and tendons heal well. Sometimes they do not heal as well.

A realistic assessment of what we can do to help after knee replacement

In our clinic, we try to provide information on helping people explore other treatment options before joint replacement. One of those options is simple dextrose Prolotherapy. This regenerative injection technique helps rebuild damaged ligaments and tendons.

Prolotherapy and Platelet Rich Plasma Therapy

We are going to briefly address two treatment options that we offer here at Caring Medical. These are non-surgical, injections.

Prolotherapy is an injection technique utilizing simple sugar or dextrose which causes a small controlled inflammation at weakened tissue. This triggers the immune system to initiate repair of the injured tendons and ligaments. Blood supply dramatically increases at the injured area. The body is alerted that healing needs to take place and reparative cells are sent to the treated area of the knee that needs healing. The body also lays down new collagen at the treated areas, thereby strengthening the weakened structures. Once the tendons and ligaments are strengthened, the knee, even one that has been replaced, stabilizes. This may help the patient who has difficulty kneeling.

Platelet Rich Plasma Therapy is the use of a patient’s blood platelets and healing factors to stimulate repair of a tendon it is considered when tendon damage is more severe.

When the patients have already had a joint replacement, we will do a physical examination of the knee to assess how we may be able to help.

Many of the patients that we see with knee pain after knee replacement have pain on the outside of the knee. This is where the ligaments and the tendons are. Most often these connective tissue are damaged and under constant strain. This causes the knee to wobble, unstable, and cause hypermobility. This pulls and tugs at the ligaments and tendons which causes the patient a lot of pain.

Some patients have nerve irritations, such as Jeannette did in the above video. This nerve irritation can be below or above the knee or along the kneecap. We would treat these problems with nerve release therapy.

It’s not my knee replacement that is the problem, it is my other knee. Expanding on the “other knee,” problem

In Australia, doctors at the University of Wollongong, examining why patients who should be able to kneel after knee replacement, did not kneel, wrote in the Journal of orthopaedics and traumatology (6), about the problems of the other, non-replaced knee.

Here is what they found:

So can we do anything about it? When it is a problem of the other knee?

Clearly knee weakness and instability in the “other knee,” will present problems in kneeling. If your knee is not bad enough for another knee replacement and you would like to explore other options please consider a review of the following information:

The evidence for Prolotherapy Injections for knee osteoarthritis

  • Prolotherapy research shows significant improvement in selected patients with knee osteoarthritis.
  • Treating the whole knee joint as opposed to selective parts of the knee is more effective in alleviating knee pain and healing the damage.

The path to knee replacement is inevitable unless you address the knee as a whole and not a problem of only bone on bone

Platelet Rich Plasma for Knee Osteoarthritis When it works When it will not work and When is it better than other treatments

In this article, we are updating research and clinical observations in the use of Platelet Rich Plasma Therapy (PRP) for the treatment of knee osteoarthritis. We will also explain why PRP may not work and how getting a single PRP injection is NOT PRP Therapy and will usually lead to unsatisfying long-term results.

In this brief video, Dr. Hauser demonstrates PRP to the supportive ligaments of the knee. PRP injections have the blood-red color. He is also demonstrating Prolotherapy injections to support the PRP injections. The Prolotherapy injections are clear in color. Prolotherapy is an injection of a simple sugar, dextrose. Dozens of research studies have documented Prolotherapy’s effectiveness in treating chronic joint pain.

If this article has helped you understand the problems of obesity and joint pain and you would like to explore Prolotherapy as a possible remedy for your joint pain, ask for help and information from our specialists

References

1 Wylde V, Artz N, Howells N, Blom AW. Kneeling ability after total knee replacement. EFORT open reviews. 2019 Jul;4(7):460-7. [Google Scholar]
2 Sabeh KG, Hernandez VH, Cohen-Levy WB, Ong A, Orozco F, Bennett V, Post Z. The Effects of Patient Occupation, Hobbies, and Body Mass Index on Kneeling after Total Knee Arthroplasty. The journal of knee surgery. 2019 Dec 9. [Google Scholar]
3 Smith JR, Mathews JA, Osborne L, Bakewell Z, Williams JL. Why do patients not kneel after total knee replacement? Is neuropathic pain a contributing factor?. The Knee. 2019 Mar 1;26(2):427-34. [Google Scholar]
4 Amin RM, Vasan V, Oni JK. Kneeling after total knee arthroplasty. The journal of knee surgery. 2019 Jan 2. [Google Scholar]
5 Fletcher D, Moore AJ, Blom AW, Wylde V. An exploratory study of the long-term impact of difficulty kneeling after total knee replacement. Disability and rehabilitation. 2019 Mar 27;41(7):820-5. [Google Scholar]
6 White L, Stockwell T, Hartnell N, Hennessy M, Mullan J. Factors preventing kneeling in a group of pre-educated patients post total knee arthroplasty. Journal of Orthopaedics and Traumatology. 2016 Dec 1;17(4):333-8. [Google Scholar]

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