Rotator Cuff

(Keywords: rotator cuff syndrome, chiropractic help, shoulder pain, frozen shoulder)

The rotator cuff is the name given to a group of four muscles that act to stabilize the shoulder. Shoulder pain and the so-called frozen shoulder often involve these four key shoulder muscles.


They are the

  1. Subscapularis (which lies UNDER the shoulder blade),
  2. Supraspinatus (which lies ABOVE the spine of the shoulder blade),
  3. Infraspinatus (which lies BELOW the spine of the shoulder blade) and
  4. Teres Minor (which attaches to the side of the shoulder blade.
    To these four muscles we will add the
  5. Biceps muscle for simplicity, since it also a common offender and cause of shoulder pain.



These shoulder muscles allow you to raise your arm, turn it and move the arm into many different positions, each carefully controlled and coordinated, as in throwing a ball accurately, for example. Unlike the hip joint though, the shoulder socket is very shallow to allow for greater range of motion of the shoulder. This makes the shoulder more vulnerable to injury, leading to shoulder pain, strains, tears and sometimes frozen shoulder. 


Rotator cuff muscle tears cause pain and weakness in the shoulder. Usually it starts as a small strain with heavy lifting, or not warming up properly before tennis, for example, or a fall on the outstretched arm.

This may be followed some weeks or months later by a partial tear if the initial minor injury was not correctly addressed. The shoulder will be painful, but you can still move the arm in a normal range of motion. Obviously, the larger the tear, the more weakness and the more pain the injury will cause.

Complete rupture is fairly rare, often occurring after cortisone injections, which should be considered only after chiropractic (or other) conservative treatment has been exhaustively tried without success.

Regular stretching before activity is the key to the healthy functioning of the shoulder muscles and joints. Otherwise wear and tear, or degeneration, of the muscles and tendons occur. Tearing of the rotator cuff tendons is an especially painful injury. A torn rotator-cuff creates a very weak shoulder. Most of the time patients with torn rotator cuff are in late middle age. But rotator cuffs tears can happen at any age.


Rotator cuff syndrome. What's that?

For some pictures of these muscles, and their anatomy, terms like acromion and clavicle click on this shoulder anatomy link.


What causes Rotator Cuff Syndrome?


Rotator cuff muscle tears can occur from a single traumatic injury, for example a fall on the outstretched arm, causing immediate severe shoulder pain. If a fracture, or torn ligaments occurs at the same time, then of course the rotator-cuff injury may be missed, and the treatment of the fracture (immobilisation) may unavoidably be the very worst treatment for the muscle injury. It can't be helped. Just rehab of the shoulder, once it comes out of the sling, will be further prolonged and more difficult.

Most tears, however, are the result of overuse of these muscles and tendons over a period of years, starting with a minor injury that is not adequately cared for. People who are especially at risk are those who engage in repetitive overhead sports such as tennis and weight lifting.

This nasty shoulder syndrome frequently starts after a whiplash injury, usually many years ealier and long forgotten. It is indeed difficult to prove the link. WHIPLASH CHIROPRACTIC ... long forgotten. Progressive irritation of the nerves from the neck that supply the shoulder by a Chiropractic Subluxation weakens the shoulder muscles and makes them vulnerable to sprains and strains.

For unknown reasons, smokers are more prone to RIGHT shoulder pain.

A muscle tear usually doesn't occur unless the muscle is already weakened by some other problem, either in the neck and sometimes in the acromioclavicular joint. ACROMIOCLAVICULAR JOINT ... and in impingement syndromes.


Chiropractic help

Nonsurgical Treatment

The first goal is the correct diagnosis of the condition. This will include an examination of the neck. NECK PAIN ... to see if the underlying cause may be an irritated or pinched nerve.

Classically, in a muscle injury, an ISOMETRIC test (the benchmark test) causes pain. In this examination, the rotator cuff muscle is tested against resistance, WITHOUT movement of the arm.

An echo (Doppler) examination or an MRI may be required in more serious cases of shoulder pain to help with the diagnosis.

Treatment is then addressed at your chiropractor’s findings. Classically this will include a gentle adjustment of your neck, rest from vigorous activities, and ice (if acute), gentle stretching perhaps if the tear is not serious, and finally vigorous, active rehabilitation. ROTATOR CUFF STRENGTHENING ... of the shoulder and neck, so that the tear in the rotator cuff does not re-occur as soon as you return to sport.

Carrying your wallet in your back pocket? A red rag to your chiropractor. BACK POCKET WALLET ...

Anti inflammatory drugs ... should not be used in the first instance because in the initial stage this is not an inflammatory condition, and ice is more effective and safer. 14 000 people DIED in one year in the USA alone from gastric bleeds after using NSAIDs, as they are called.

Cortisone injections are freely acknowledged to be a cause of rotator-cuff tendon rupture and, together with surgery, should only be considered after all conservative treatment has been exhausted.


Other factors to consider

Depending how serious the strain is, it may take 6-8 weeks to heal. Graduated return to sport is essential.

As a rule of thumb, if your shoulder is not improving to your satisfaction, think of the following:

  • Has your neck been considered as a possible cause of your arm pain? In particular, the lower cervical facet anatomy should be considered, that's where the nerves to the arm emerge. LOWER CERVICAL FACET ANATOMY ...

    Neck pain treatment ...

  • Has the AC joint been examined?
  • In the author's experience, the SUBSCAPULARIS muscle is often the offending rotator-cuff miscreant. Has it been examined?
  • Are you following a daily exercise program? Daily stretching and strengthening is vital is you wish to regain the function of your shoulder.



Shoulder surgery

A complete tear (most uncommon) will not heal. Complete ruptures usually require surgery if your goal is to return your shoulder to optimal function, and particular if you have competitive sport in mind.

Elderly patients, and those who have other diseases that increase the risks associated with anaesthetics, should avoid surgery, (in my opinion!) and accept the limitations of a weak shoulder. Far more sensible than risking losing your marbles!



"I'm sick of pain - 1 year later after wrist and shoulder surgery I still have chronic pain on right side and it moves to left back of neck and scapular where I have knots.

I can hardly turn my neck - no insurance now."

Hello Wendy,

You were probably badly advised. The primary cause of the pain in your arm was most likely in your neck - all the surgery in the world in your wrist and shoulder couldn't possibly fix the pain radiating down your arm from a chiropractic subluxation in your neck.

Start saving your pennies, and see a local chiropractor.

Dr B



From the medical literature


Complications of open acromioplasty: The rate of complications after open acromioplasty is predictably quite low. Reported complications have included acromial fracture, persistent pain, postoperative glenohumeral stiffness, lengthy rehabilitation, delayed return to work, weakness, superficial or deep wound infection, detachment of the deltoid, and dysfunction.

McShane et al., in a study of twenty-nine patients who had an acromioplasty for the treatment of impingement syndrome, reported a high percentage of complications (including acromial fracture and prolonged convalescence) after procedures involving detachment of the deltoid. Most of the problems were related to technical errors.

Ogilvie-Harris et al. evaluated sixty-seven shoulders in sixty-five patients who had had persistent pain for more than two years after an open anterior acromioplasty. Although the total number of acromioplasties performed at their institution was not documented, twenty-one of the failed acromioplasties had been performed by the authors and the other forty-six had been performed elsewhere. All patients had a thorough examination to determine the reason for failure. Arthroscopy revealed that the original diagnosis had been incorrect for twenty-seven shoulders (40 per cent), that an error had been made during the operation on twenty-eight shoulders (42 per cent), and that only twelve shoulders (18 per cent) had had the correct diagnosis and procedure. Even after the appropriate procedure had been performed, however, only thirty-one (60 per cent) of fifty-two shoulders that had a reoperation had a good result. No explanation was provided for this disappointing finding. Journal of Bone and Joint Surgery 1854 ...



From the coalface 

In December, whilst my colleague was on leave for a month, and I was working seriously overtime, I developed a rotator cuff strain. Such that for about two weeks I had to work out other ways of giving an adjustment to the spines of patients.

THEREAFTER, I developed neck pain. Chicken and egg.

But it was a learning curve for me. I developed new exercises for my shoulder, that I could then share with patients. I realised, perhaps for the first time, that a rehab exercise must REACH the painful activity, but not cause searing pain.

Fortunately a couple of treatments of my neck after my colleague returned, and my own home-grown exercises, the pain soon passed over. It's now three months since I had any pain, but I'm still doing the exercises every morning ... my work is dependent on a strong shoulder. Chiropractic Coalface ...


CHIROPRACTIC HELP Questions

There's no substitute for a thorough examination when it comes to a shoulder condition, but we do try to answer some of your basic questions. In the end though most likely the advice will be to consult your local chiropractor to make the diagnosis... is the problem primarily in your shoulder? Or is it in your neck? Or both? CHIROPRACTIC HELP Questions ...


Gout

When there's severe shoulder pain that doesn't present in the usual manner, then very occasionally gout should be considered. It's usually worse at night, you may have a history of great toe pain and swelling, and it usually responds within a few days to NSAIDS.


Useful links 

To go from ROTATOR CUFF to the dangers of a General Anaesthetic ...

Return from Rotator-Cuff to CHIROPRACTIC HELP home page …

From Rotator-Cuff to ARM PAIN Quick DASH score: How bad is your pain?

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Interesting challenges of the day

1. Mrs D, a 78 year old woman has very severe sacroiliac joint pain, and even more severe cramps in her right leg. There are two problems; she is on two diuretics but no slow K. Taking her temporarily off one diuretic and adjusting the SIJ brought 50 percent relief within four days. 

2. Mr S, a 48 year old man, has right low back pain, groin pain and a numb feeling in his lower leg when he sports. For six months he's been off football. He too has two problems; a very treatable lumbar facet syndrome and a very serious blocked artery in the groin; it's called intermittent claudication. Smokers beware.  

3. Mr S looks like the leaning tower of Pisa; he has a slipped disc at L5 making him lean towards the opposite side. It's called the postero lateral disc hernia; we'll fix it, but he has to stop for a week or two. Antalgias are serious so take them seriously. 

4. Mrs V too has  two conditions; a chronic low grade sciatica giving her an ache in the right leg, and a threatening Morton's neuroma. She's glad I'm back in Holland; chiropractic fixed it before, and we'll fix it again. 

5. Mrs W is one of the lucky ones, says her doctor. I agree. He says only 40% of patients with lumbar stenosis have a successful operation. We fixed a nasty slipped disc three years ago, but it came back two years later; the surgeon did a fine job but she has a weak ankle now giving her subtalar joint pain; it's routine stuff. 

6. I myself had an acute exacerbation of a femoral nerve lesion last year. One immediate treatment of the new strain by my colleague has fixed the pain in the lower back, but there's some residual numbness in the lower leg; no soaring tomorrow alas.

7. This lady is a 86 year old woman with a 63 scoliosis. Chronic lower back has been her lot in life but she's well pleased with chiropractic and comes for chiropractic help once a month; some conditions you can never cure.

8. She is an 78 year old woman, is doing remarkably well with a bad sciatica. But over 200 pounds she is not losing weight; in fact, gaining despite my suggestions. She's high risk for a stroke. I have referred her to a dietician to crack the whip.

9. A 61 year old man with upper cervical pain yesterday; it's not severe but also not getting better of its own accord. He's afraid it may turn very acute as when I treated him three years ago. Since then it's been fine. 

10. A 64 year old woman has had scheuermanns disease; it's left her with a spinal kyphosis and chronic middorsal pain. She responds well to chiropractic treatment provides she come every six weeks or so for maintenance treatment.

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. Mrs D, a middle aged woman with hip pain of one year duration, despite other treatment. Xrays reveal an impingement syndrome and early hip arthritis. There's much to be done.

13. Mrs B has had one of the nastiest of conditions; vertigo caused by a disturbance in the inner ear. Falling repeatedly and vomiting she consulted her doctor but medication didn't help. After two sessions of the Epley manoeuvres she was 50 percent better. After two weeks 75 percent improved. No longer vomiting all falling. She's not enjoying the Brandt Daroff home exercises.

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



Have a problem that's not getting better? Looking for a different slant on your pain? Want to pose a question?


Interesting questions from visitors

CLS writes:

Greetings, Dr B.
You helped me quite some time back with a soothing and professional response which turned out to be exactly correct. I now consult a local chiropractor. You write a superb newsletter, too.

Your own unresolved problem. Pose a question

Knowing that up to 70% of the time the correct diagnosis is made with no examination, no special tests, no xrays, but just from the history, there's a fair chance I can add some insight to your unresolved problem. But at least 30% of the time, I may be quite wrong! Give plenty of detail if you want a sensible reply.


You visited this chiropractic help site no doubt because you have a problem that is not resolving and want to know more about what chiropractors do.

The quickest and most interesting way is to read one of my ebooks of anecdotes. Described by a reader as gems, both funny and healthful, from the life and work of a chiropractor, you'll love them. Priced right at $2.99, though Kindle fiddles the price without telling me.