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Loren Fishman, MD

Loren Fishman, MD

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Piriformis Syndrome: A Pain In The...Back

Posted: 04/11/11 08:16 AM ET

About 5 million of the 26 million Americans who suffer from low back pain each year have piriformis syndrome. Piriformis syndrome produces an intense, sometimes crippling pain deep in the butt cheek, usually just on one side. It's caused by jogging for miles, marathon sessions with the computer and with long commutes in a car. Sitting for long periods, vigorously over-exercising, or a combination of sitting and exercise are the most common causes. An accident or, occasionally, a congenital abnormality can also cause this problem.

Even though your back is flawless, the piriformis muscle in the buttock may tighten, go into spasm and entrap the sciatic nerve, causing the same symptoms and misery that come with herniated disks. Those who compile statistics declare that piriformis syndrome may account for as much as 50 percent of the pain that strikes in the backside and radiates down the back of the leg.

Many internists, neurologists and pain specialists aren't very familiar with this problem, and mistakenly think the source of the pain is in spinal nerve roots. Because it is so easy to confuse with herniated disk, piriformis can be extremely difficult to diagnose, partially because MRIs and X-Rays don't pick it up.

Symptoms

The prime symptom is a pain and tenderness lodged deep in the buttock. And that severe pain often runs down the leg, like an electric shock, an ache, pins and needles or another unpleasant feeling. The reason it feels as if there's a spasm in the buttock is because the piriformis muscle has knotted up and is actually in a spasm that can go on for days, months, and on occasion even years. The tight muscle may compress and irritate the sciatic nerve, causing the pain to travel along the course of the nerve. That's sciatica.

Diagnosis

Piriformis Syndrome was almost unknown 25 years ago, but as desperate patients came to my office in search of a cure because their doctors thought their problem was in their heads or in their spinal nerve roots, I developed diagnostic methods that distinguish this particular form of back pain from other causes. Electrodiagnosis is key to making the diagnosis. Using the EMG, I help the patient move the painful piriformis muscle against the sciatic nerve and then carefully determine whether that slows down the nerve's conduction. If so, well, we've got a diagnosis: piriformis syndrome.

Treatment

Thankfully almost all cases of piriformis syndrome can be treated without surgery. There are several options. First, there is exercise. Yoga provides many poses, chiefly twisting poses that can help by stretching the piriformis muscle, which often provides immediate relief. The Pigeon pose is another popular and effective way to lengthen the piriformis muscle. Gluteal stretches are also effective. They can be done standing, sitting or lying down.

An injection of a very small amount of steroid with a dentist-type quantity of Lidocaine is also an effective way to relax the muscle. After the injection, some sessions with a physical therapist can speed recovery.

Physical therapy, yoga and this small injection have cured 80 percent of the 7,500 patients I've seen with piriformis syndrome over the past 15 years. In particularly tough cases, I've used botulinum toxin, which does not improve the appearance of that particular cheek, but does relieve the pain more than 90 percent of the time. I've sent 120 of our failures to surgery, and followed them afterwards. The surgical success rate is also almost 80 percent.

Prevention

If you're a secretary or psychiatrist, a banker or a bus driver, then sit you must. My advice is to take breaks from sitting whenever you can. And while you are up and walking around, stretch a little. You can sit in your desk chair and do a modified gluteal stretch. If you drive long distances, a gel cushion will make a spasm less likely. When it comes to exercise, be moderate. Gradually increase your workout. Don't sit for hours and then go for a brisk mile-long jog that will increase the possibility of a muscle spasm.


 
About 5 million of the 26 million Americans who suffer from low back pain each year have piriformis syndrome. Piriformis syndrome produces an intense, sometimes crippling pain deep in the butt cheek, ...
About 5 million of the 26 million Americans who suffer from low back pain each year have piriformis syndrome. Piriformis syndrome produces an intense, sometimes crippling pain deep in the butt cheek, ...
 
 
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12:16 PM on 05/13/2011
Dr. Fishman - I am an internal medicine trained doctor and what you describe is exactly what I had. Its onset was after a prolonged car ride in cold weather and lasted 4 months in which moving from lying, to sitting to standing was excruciating. I got rid of it however by trying a TENS unit on my back by my own accord. I immediately noticed a difference and after just using it 2-3 more times over the next week it has been gone. I know electrical stimulation works by gate theory but maybe it is something that could/should be further explored although I know this is just an anecdote with n = 1. Thank you for posting this article, btw. It was extremely cathartic to see my ailment could be traced to a certain pathology.
09:38 PM on 04/16/2011
i fell at my gym about a month before i had severe pain in my left hip. It was so bad I was crying in my Drs office. I fell on an outlet and landed on my palms and knees, bruising all. I am a hygienist so I sit all day. I love to walk but I couldnt even do that all winter. My Dr sent me for xrays, and now a CT scan. I have no pain down my leg, but it is deep in my left hip where the bone protrudes at the back of your butt. Toradol definitely helps but it is excruciating getting out of a chair especially or car or lifting anything forget it! Usually i lift myself out of a chair with my rt leg instead. I think I have this syndrome.
08:43 PM on 04/13/2011
The doctor forgot to mention massage therapy which is very effective
10:45 AM on 04/14/2011
sadly massage therapy has never helped me.
07:28 AM on 04/13/2011
Piriformis syndrome is a rare neuromuscular disorder that occurs when the piriformis muscle compresses or irritates the sciatic nerve-the largest nerve in the body. The piriformis muscle is a narrow muscle located in the buttocks.
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03:01 AM on 04/12/2011
So - does this occasionally come coupled with numbness in the leg? I get terrible pain in my buttock, radiating through the hip and down my leg, but it often comes with bands of numbness across the top of my foot and down my shin.
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Loren Fishman, MD
11:24 AM on 04/12/2011
It certainly could be piriformis syndrome. Is it worse when you sit? You need to see a physician -- rehab medicine is good for this -- with an open mind. As I said in my blog, many physicians have trouble diagnosing piriformis syndrome.
02:29 AM on 04/12/2011
I’m a runner, and I’ve experienced these pains for one year now after working at a desk job for three years.

The symptoms are EXACTLY the same (crippling pain deep within one side of the buttock, kind of near the tail bone), however, I haven’t really experienced shooting pains down my legs. The pain is sometimes so unbearable, I can’t lie down or walk.

I’ve been to four different orthopedists, and they don’t tell me much but give me drugs. I’ve done physical therapy where they send electronic pulses to the muscles, but this does nothing for me.

Could what I have be PS or something else? I’m DYING to find out what’s wrong with me, so I can get rid of this pain 
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Loren Fishman, MD
11:21 AM on 04/12/2011
Piriformis syndrome can and does occur without sciatica (the pain radiating down the leg). It sounds like you have it, but of course I can't be sure long-distance. I think you should see a specialist in physical medicine and rehabilitation, who might be able to help you pin down a diagnosis. You might want to take a look at www.sciatica.org.
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Sillypaws
Cat guardians for Obama/Biden and all Democats
02:33 PM on 04/12/2011
Try a physical therapist that specializes in Pelvic Pain-they deal with this all the time.
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09:27 PM on 04/11/2011
Don't perform front bends with this problem, perform a cobra pose or what is also called a reverse push-up. Do them every hour if possible. My physical therapist has me doing ten repititions every hour. It has really helped my issue which was exacerbated by a slipped disc after years of equestrian crashes into jumps and falls.
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rikster
buy the ticket-take the ride
09:18 PM on 04/11/2011
very interesting....thanks..
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Endotoxin
Blast Corps
09:12 PM on 04/11/2011
Cool article, I think I may have had something along these lines for a brief period recently due to a change in physical activity.

It's all gone now though because I have focused on back and core strengthening exercises.
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Dustin Rudolph
Clinical Pharmacist & Certified Nutritionist
08:22 PM on 04/11/2011
I've had piriformis syndrome for a few years now and have tried many things. Yoga, by far, worked the best for me!
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onionboy
Blessed are the Cheese Makers
06:52 PM on 04/11/2011
It is literally a pain in the butt.
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Loren Fishman, MD
09:38 PM on 04/11/2011
How right you are. Piriformis syndrome cripples some people, but it doesn't have to. It's very treatable.
08:45 PM on 04/13/2011
You forgot to mention massage therapy! I have helped many people with piriformis syndrome.
Dastius-Krazitauc
I wouldn't tech them peas o' hern.
05:00 PM on 04/11/2011
Why is it called a syndrome? What are the other complications/symptoms besides butt/sciatic pain?

I know I have a herniated L4/L5 disc, as it showed up very clearly on the MRI. I've been sore from right hip to right anterior tibial area, have a numb big toe and reduced motor control of the toe. But I wonder if it is from the herniated disc or piriformis syndrome. Last September, I felt a "pop" in my lumbar area when doing a situp, and had a sore back for 3 weeks. But the back pain went away, and when I was feeling better, I started dance lessons, lots of hopping and stomping on a concrete floor. In February I developed the butt pain and sciatica so bad I could barely walk or turn over in bed. My right sacroiliac joint is quite sore as well as my hip joint. So, I'm wondering if this other soreness could be part of the "syndrome"?

Also, because of the herniated disc, is it okay to do the twisting yoga postures?
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Loren Fishman, MD
08:19 PM on 04/11/2011
Piriformis syndrome is also called sciatic entrapment; numbness, pins and needles and weakness may be part of it. Best to stay away from twisting postures with a herniated disc.
I have validated a method of diagnosis that has high sensitivity and specificity.Stay tuned for more information about how problems like yours, with many different strands, can be diagnosed..
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rikster
buy the ticket-take the ride
09:21 PM on 04/11/2011
I have two herniated discs and do twists very carefully making sure the hips are even and balanced. carefully...!
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ncyim
04:27 PM on 04/11/2011
I worked on a lot of piriformis patients as an acupuncture student with great success. Sometimes it takes a few treatments, but most patients feel much better right away. The needles used in acupuncture are not painful. but an injection from an internist would be! That sounds awful!
One of the causes of the issue is getting into car improperly. The correct way is to sit first, then swing the legs into the car so as not to put horizontal torsion on the piriformis. Its a difficult maneuver to remember at first - but so worth it.
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drvittoriarepetto
03:45 PM on 04/11/2011
One way to diagosis a piriformis syndrome is to ask the patient to step forward (wiht the painful leg) and turn their foot out; if the pain starts decreasing then there is a piriformis symdrome.
I thank Dr.Fishman for talking about this syndrome and stretch for it.
One of the methods I use in my practice is working w/ the alignment of the pelvis and working w/ the muscle spindles and golgi tendons of the piriformis
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Sally Williams 1
Old enough to know better, wise enough to not care
03:33 PM on 04/11/2011
I developed piriformis syndrome after an accident in 1996 that left me with a bulging disc. The disc issue was resolved with an epidural steroid injection, but the piriformis ended up becoming a chronic condition. I keep it under fair control with stretching and keeping my weight down, but have some weakness in my left leg that is from it according to my physician. Still, I end up with severe pain from it at least several times a year. The yoga information is very interesting. I'll look into giving it a try. Thank you for the article and information.
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inthelandoftheblind
Obama wants a strong Middle Class
01:09 AM on 04/12/2011
Please consider trying to find a good chiropractor, who may be able to help you in just a few visits.