Meralgia Paresthetica

Upper thigh pain

Keywords; meralgia paresthetica, upper thigh pain, chiropractic, tingling in legs and feet.


This condition is caused by a trapped nerve in the groin causing pain classically on the side of the thigh, but also sometimes the front of the upper leg and a variant to the groin.

The trapped fibres are called the Lateral Femoral Cutaneous Nerve. It originates from the upper lumbar spine, L2 and L3, meanders down a large muscle deep in the belly called the Psoas, crosses another in the pelvis called the Iliacus, and then is trapped as it passes under the Inguinal ligament.

There is usually no acute low back pain, though there may be a dull ache in the upper lumbar spine. Fixations are usually found here by your chiropractor and in our opinion is large part of the problem.

But, with groin pain, various impingement problems in the hip should also be considered. Conditions like Femoro acetabular impingement syndrome in the younger person, progress to hip arthritis in the older patient.


Meralgia Paresthetica

It's what we call a double crush syndrome. Like the Carpal Tunnel syndrome where the median nerve is trapped, often in several places somewhere in the neck, shoulder, forearm and the wrist.

The result is the same; a burning, nerve type pain in the thigh, with minimal back pain.

Classically the pain is on the outer side of the thigh, but because the femoral nerve has so many small off shoots, variants may be in the groin and front of the leg.


Whilst this is not true meralgia paresthetica, to all intents and purposes the result is the same, only the pain is in the front of the thigh. Here your chiropractor will be even more careful however, as the femoral nerve is also a motor nerve; you may start to get weakness of the quadriceps muscle, the large four part muscle on top of the thigh. If you hop on that leg, does it tend to give? Report it immediately.

Your chiropractor will do a test which stretches the femoral nerve, and it's likely to cause much pain in the front of your thigh.

In the above graphic, can you trace both the lateral femoral cutaneous nerve, side of the thigh pain, and the femoral nerve, anterior thigh pain, as they make their way through the groin?


Extreme tenderness in groin...

If you run your thumb down through the muscles of the groin (careful, you may cross the Femoral artery pulsating under you finger, avoid it) you are likely to encounter extreme, and I mean extreme tenderness of one or more muscles in the groin. However, this is not always the case.

Most syndromes come in variant forms. Diabetes may cause you to go blind and a toe might go black and fall off, but that isn't always the case fortunately. Follow the diabetes rules, and you can live to a healthy eighty with your eyesight and ten toes intact.

Likewise with Meralgia Paresthetica, follow the rules, and this too will pass.

Slipped disc symptoms

Some of these features may also occur in the so-called SLIPPED DISC SYMPTOMS ... the distinguishing "differential diagnostic" features being the lack of serious low back pain, and the extreme tenderness in the groin where the nerve is being pinched.

So too, no loss of refex or muscle weakness as the LFCN is not motor.


Complicating factors ...

Let it be said, this can be a very painful and serious condition. Mostly it is benign and well managed by your Chiropractor. However these nerves can be affected by an abscess in the Psoas muscle (are you feeling sick, running a temperature, history of TB?), by bowel tumours (have you lost weight? are your bowels working normally? has there been a change in your bowel habits?). If in doubt, also consult your physician.

Is the pain in your thigh brought on with exercise? Read this strange tale by chiropractor Bernard Preston. Intermittent claudication ...

  • So too should CHIROPRACTIC HELP Lumbar Stenosis be considered.

  • SPECIFIC MUSCLE WEAKNESS

    This is important: The Lateral Femoral Cutaneous Nerve is a sensory nerve. When irritated it does not cause specific muscle weakness in the leg.  However, if the femoral Nerve itself is affected, there may be Quadriceps weakness, and loss of the Knee jerk reflex. Plus sensory change in the skin of the upper leg and/or inner lower leg. Whilst Femoral nerve damage also responds to careful thorough chiropractic care, any specific weakness in the quad must be noted and monitored.
    In this short YouTube clip you can yourself determine if there's specific muscle weakness in your leg.

    FROM THE COAL FACE

    Whilst meralgia paresthetica is not uncommon, it is fairly unusual that I am consulted in the same week by two women with severe meralgia paresthetica upper leg pain. Because it is a serious condition, I started treatment immediately, but also referred both patients to their doctors for xrays. Chiropractors cannot order xrays in the netherlands.

    After three treatments both were considerably improved, there was less pain in the leg and they were not unhappy.

    Mrs j continued to improve, and the pain and numbness was completely alleviated within about 6 to 8 weeks. She is a very satisfied patient and is coming in currently in every two months for a checkup.



    Mrs p's doctor decided this was far too serious a condition for a quack, and advised her to stop the treatment. After all he said, there is no known cure for meralgia paresthetica, which is quite true, there is no research confirming that there is any effective medical or chiropractic care. That was five months ago.

    Yesterday her daughter phoned to say her mother was going for a back operation. Did I miss something? Is her doctor just anti chiropractic? Was she over compliant to her doctor's overbearing demands?


    Frankly I don't know. What I can tell you is that chiropractors treat in the upper thigh pain with great confidence. Sure, if you have been losing weight, or are running night fevers, or have a change in bowel habits, if you're a heavy smoker then a second opinion is definitely on the cards.


    The first step of chiropractic help, of course, in the treatment of meralgia paresthetica is a proper history and examination to rule out other diseases. An aneurism in the pelvis caused by smoking; it really does knock ten years off your life, fifteen years if you are a woman, heart attack, tumours and the like really should be considered, though rarely do they cause meralgia paresthetica.

    Chiropractic care may include some or all of the following:

    1. A Chiropractic adjustment of any spinal or sacro-iliac fixations found. This is not normally painful.
    2. Deep massage of any trigger points found in the groin muscles. This may be extremely painful. You may develop bruising. Ice helps.
    3. Stretching of your spinal joint and the muscles. Not particularly painful.
    4. In the rehab phase some vigorous exercises. These may include exercises such as:


    CORE EXERCISE @ Meralgia Paresthetica

    This simple core muscle exercise should be done by EVERY low back sufferer before arising from bed EVERY morning. It only takes 60 seconds after all...


    This chiropractic treatment programme would probably cover a 6-8 week period, with perhaps 10-15 treatments. Every person obviously is different. Some may require less, other more. Talk honestly to your Chiropractic.

    If after 3-4 weeks there is no definite progress then a medical consultation should be considered.

    IlioTibial Band stretch (ITB)

    Another condition that needs to be considered when faced with lateral thigh pain is the Tensor Facia Muscle and its long tendon, the ITB. The definite test is called Noble's test... iliotibial band stretch

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    Interesting challenges of the day

    1. Mr S is a 76 year old man with neck pain of some 9 months duration. Luckily, most of the discomfort is upper cervical which is only rarely arthritic; his lower cervical spine is a degenerative mess that I've left alone. After seven treatments his pain and stiffness is 50 percent better, and he's happy in the circumstances. He can sleep through the night now and that makes a huge difference.

    2. Mr P is 32 year old man with very severe lower back pain radiating to the big toe which is 30 percent numb. He had an episode three weeks ago, took anti inflammatories and was soon better as is typical of the medial disc herniation. But before it healed, after a trivia it came roaring back, much worse. The characteristic crossed sign was evident; sitting in a chair, straightening the right leg provoked severe left back pain and tingling in the leg. He's doing well.

    3. Mrs T looked like the leaning tower of Pisa; she had a slipped disc at L5 making her lean towards the opposite side. It's called the postero lateral disc hernia; she's much better after two weeks of treatment and will go back to work next week, part time. Lateral discs are more difficult; both take a minimum of six weeks to heal. In my opinion, antalgic patients need what I call exercising bed rest. Sit and it won't get better.

    4. Mr S has had lower back, groin and back of thigh and calf pain for fourth months. He has a pincer deformity in the hip causing the groin pain, and a degenerative facet causing the sciatica. Both are responding well to chiropractic and he's well pleased; sixty five percent better after three treatments.

    5. Mr T is a wise man; he's taken a warning TIA seriously and has lost 15 pounds, and has at least as much again to lose. A change to a low starch diet and half hour daily walk has made the difference; but the walking is making his foot and back miserable. The expensive orthotic is hopeless; luckily his hips and back are fine, but he needs a simple heel lift.

    6. I too have had serious lower back issues, luckily fixed by my own chiropractor; so I too have to do my exercises, take care when lifting supers full of honey, gardening and using the chainsaw. Regaining the function of your lower back is just as important as the pain.

    7. My own granddaughter, only 7 is hypermobile giving her hip, knee and ankle issues. Xrays show a mildly dysplastic hip. Years ago we would have called it growing pains. She too regularly needs chiropractic care and luckily responds well. Hypermobility is more difficult that too stiff in my opinion. Chiropractic is for kids too.

    8. This 65 year old lady is a serious gardener; every day she is bending, lifting and digging for 2 to 3 hours a day. It regularly catches her in the sacroiliac joint, so she has a treatment once a month that sorts it out. She does her lower back exercises faithfully.

    9. This 88 year old lady is an inspiration; every day she is busy in the community. With a nasty scoliosis she manages very well with a chiropractic adjustment every six weeks and exercises faithfully done.  

    10. Mr X is a 71 year old retired man who wants to continue with maintenance care every six to eight weeks; he had suffered from two years of lower back pain when he first came a year ago. He has no discomfort now after 8 chiropractic treatments, but is aware that danger lurks.

    11. Mrs C has been having severe headaches, and taking a lot of analgesics. It's a non complicated upper cervical facet syndrome, and she's doing well.

    12. Mr D is a 38 old year man with chronic shoulder pain after a rotator cuff tear playing cricket. It responded well to treatment, but he knows he must do his exercises every day; for two years he couldn't sleep on that shoulder.

    13. Mr D, a 71 year old man, has a severe ache in the shoulder and midback since working above his head. Trapped nerve tests are negative but he has advanced degenerative joints of Luschka; after just two treatments he is 50 percent better. Can we reach 90?

    And so the day goes; chiropractors shouldn't be treating the elderly most medical sites state but that's so much bunkum.



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