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Frozen shoulder



NHS Choices Syndication

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Adhesive capsulitis

Causes of frozen shoulder

Frozen shoulder occurs when the sleeve that surrounds the shoulder joint, known as the capsule, becomes swollen and thickened. It’s unclear why this happens.

The shoulder is a ball and socket joint. The end of your upper arm bone (humerus) sits in contact with the socket of your shoulder blade (scapula).

The shoulder capsule is fully stretched when you raise your arm above your head, and hangs down as a small pouch when your arm is lowered.

In frozen shoulder, bands of scar tissue form inside the shoulder capsule, causing it to thicken, swell and tighten. This means there is less space for your upper arm bone in the joint, which limits movements.

Who’s most at risk?

It is not fully understood why frozen shoulder occurs, and it’s not always possible to identify a cause. However, a number of factors can increase your risk of developing it. These are outlined below.

Age and gender

Most people affected by frozen shoulder are aged between 40 and 60. The condition is more common in women than men.

Previous shoulder injury or surgery

Frozen shoulder can sometimes develop after a shoulder or arm injury, such as a fracture, or after having surgery to your shoulder area.

This may partly be a result of keeping your arm and shoulder still for long periods of time during your recovery. Your shoulder capsule may tighten up from lack of use.

Because of this, it is very important not to ignore a painful shoulder injury and to always seek medical advice.

Diabetes

If you have diabetes, you have a greater risk of developing a frozen shoulder. The exact reason for this is unknown.

It is estimated that people with diabetes are twice as likely to develop a frozen shoulder.

If you have diabetes, the symptoms of frozen shoulder are likely to be more severe and harder to treat. You are also more likely to develop the condition in both shoulders.

This means it’s important to have your diabetes checked regularly to make sure it is controlled with the right medication.

Other health conditions

You may have a greater risk of developing a frozen shoulder if you have other health conditions, such as:

Other shoulder conditions

Frozen shoulder can sometimes develop alongside other shoulder conditions, such as:

  • calcific tendonitis  where small amounts of calcium are deposited in the tendons of the shoulder
  • rotator cuff tear  the rotator cuff is a group of muscles that control shoulder movements

Immobility

Not moving for long periods of time can also increase your risk of a frozen shoulder. This can sometimes happen if you spend time in hospital.

Published Date
2014-05-15 09:48:25Z
Last Review Date
2014-03-17 00:00:00Z
Next Review Date
2016-03-17 00:00:00Z
Classification
Diabetes,Frozen shoulder,Shoulder


NHS Choices Syndication

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Adhesive capsulitis

Diagnosing frozen shoulder

You should see your GP if you think you have a frozen shoulder, or if you have persistent shoulder pain that limits your range of movement.

Early diagnosis and treatment may help prevent long-term stiffness and pain in your shoulder joint.

Your GP will examine your shoulder and ask about your symptoms. They may ask:

  • when your symptoms started  particularly if it was after an incident, such as a fall
  • how severe the pain is
  • if you have any other symptoms, such as neck pain
  • how your symptoms affect your everyday life
  • whether the pain is disturbing your sleep 
  • whether there is anything that makes the pain better or worse
  • if you have any other health conditions, or if you are taking any medication

Physical examination

During the physical examination, your GP may test your range of movement by asking you to move your arm and shoulder as far as you can in each direction.

Your GP may apply pressure to parts of your shoulder, to determine where your pain is most severe and what is causing it. They will also look for any swelling, bruising or muscle wasting.

Further tests 

You may sometimes need to have further tests to rule out other possible health conditions.

For example, if your GP thinks you may have diabetes, a blood test may be recommended. Frozen shoulder is more common in people with diabetes.

Imaging

An image of your shoulder joint may be taken to check for any physical signs that could suggest another cause of your symptoms, such as “wear and tear” caused by arthritis or a tear in the tendons around the shoulder.

This may involve:

  • an X-ray  where high-energy radiation is used to highlight bone abnormalities. An X-ray will help to rule out other causes of stiffness in the shoulder, such as arthritis.
  • an ultrasound scan  where high-frequency sound waves are used to create an image of the inside of the body. An ultrasound scan may be requested if a rotator cuff tear is suspected.
  • a magnetic resonance imaging (MRI) scan  where a strong magnetic field and radio waves are used to produce a detailed image of the inside of your body. An MRI scan is not necessary for the diagnosis of frozen shoulder, but may occasionally be requested if other conditions are suspected, such as a rotator cuff tear.
Published Date
2014-05-15 09:48:50Z
Last Review Date
2014-03-17 00:00:00Z
Next Review Date
2016-03-17 00:00:00Z
Classification
Frozen shoulder


NHS Choices Syndication

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Adhesive capsulitis

Introduction

Frozen shoulder is a condition that leads to pain and stiffness of the shoulder. It is also known as adhesive capsulitis or shoulder contracture.

The symptoms tend to gradually get worse over a number of months or years. You will typically experience shoulder pain for the first two to nine months, which can be severe, followed by increasing stiffness.

The stiffness may affect your ability to carry out everyday activities and, in particularly severe cases, you may not be able to move your shoulder at all.

The condition may improve with time, but this can sometimes take several years.

Read more about the symptoms of frozen shoulder.

When to see your GP

You should visit your GP if you have persistent shoulder pain that limits your movement.

The earlier frozen shoulder is diagnosed, the more likely it is that treatment can help prevent long-term pain and stiffness.

Read more about diagnosing frozen shoulder.

What causes frozen shoulder?

Frozen shoulder occurs when the flexible tissue that surrounds the shoulder joint, known as the capsule, becomes inflamed and thickened. It is not fully understood why this happens.

The following can increase your risk of developing a frozen shoulder:

It is estimated that up to 1 in 20 people in the UK may be affected by frozen shoulder at some point in their life. Most people who get frozen shoulder are between the ages of 40 and 60. The condition is more common in women than men.

Read more about the causes of frozen shoulder.

How frozen shoulder is treated

Most people with frozen shoulder will eventually get better, even without treatment. However, appropriate treatment can help reduce pain and improve the movement in your shoulder until it heals.

The type of treatment you receive will depend on how severe your frozen shoulder is and how far it has progressed.

Painkillers, corticosteroid injections, shoulder exercises and physiotherapy are all possible treatment options. If your symptoms have not improved after six months, surgery may be recommended.

Read more about treating frozen shoulder.

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Published Date
2014-09-29 07:13:57Z
Last Review Date
2014-03-17 00:00:00Z
Next Review Date
2016-03-17 00:00:00Z
Classification
Frozen shoulder,Physiotherapy,Shoulder


NHS Choices Syndication

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Adhesive capsulitis

Symptoms of frozen shoulder

Pain and persistent stiffness in the shoulder joint are the two main symptoms of a frozen shoulder.

This makes it painful and difficult to carry out the full range of normal shoulder movements. You may find it difficult to perform everyday tasks, such as:

  • bathing
  • dressing
  • driving
  • sleeping comfortably

Symptoms vary from mild, with little difference to daily activities, to severe, where it may not be possible to move your shoulder at all.

You should see your GP if you think you have a frozen shoulder, or if you have persistent shoulder pain that limits your movement.

Stages of frozen shoulder

The symptoms of a frozen shoulder usually get worse gradually, over a number of months or years.

There are three separate stages to the condition (see below), but sometimes these stages may be difficult to distinguish. The symptoms may also vary greatly from person to person.

Stage one

During stage one, often referred to as the “freezing” phase, your shoulder will start to ache and become very painful when reaching out for things.

The pain is often worse at night and when you lie on the affected side. This stage often lasts for two to nine months.

Stage two

Stage two is often known as the “frozen” phase. Your shoulder may become increasingly stiff, but the pain does not usually get worse and may even decrease.

Your shoulder muscles may start to waste away slightly because they are not being used. This stage usually lasts 4 to 12 months.

Stage three

Stage three is the “thawing” phase. During this period, you will gradually regain some movement in your shoulder. The pain will begin to fade, although it may come back occasionally as the stiffness eases.

You may not regain full movement of your shoulder, but you will be able to carry out many more tasks. Stage three can last from five months to many years.

Published Date
2014-05-15 09:48:06Z
Last Review Date
2014-03-17 00:00:00Z
Next Review Date
2016-03-17 00:00:00Z
Classification
Frozen shoulder,Shoulder


NHS Choices Syndication

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Adhesive capsulitis

Treating frozen shoulder

Treatment for a frozen shoulder will vary, depending on the stage of the condition and the severity of your pain and stiffness.

A frozen shoulder may get better over time on its own without treatment, but recovery is often slow and can take at least 18 to 24 months. In some people, the condition may not improve for 5 years or more.

A number of different treatments can be used to treat frozen shoulder, although it is uncertain how effective they are and which is best.

The treatments described below can help reduce shoulder pain and keep the joint mobile while the shoulder heals.

Early stage treatments

The first stage of a frozen shoulder is the most painful. Therefore, treatment is mainly focused on relieving the pain.

During this stage, your GP may recommend avoiding movements that make the pain worse, such as stretching. However, you should not stop moving altogether.

Painkillers

If you are in pain, you may be prescribed painkillers, such as paracetamol, a combination of paracetamol and codeine or a non-steroidal anti-inflammatory drug (NSAID).

Some painkillers, such as paracetamol and ibuprofen, are also available from pharmacies without a prescription. Always follow the manufacturer’s instructions and make sure you are taking the correct dose.

Taking painkillers, particularly NSAIDs, in the long term can increase your risk of side effects. See the patient information leaflet that comes with your medication for more information.

Read more about the side effects of NSAIDs.

Corticosteroid injections

If painkillers are not helping control the pain, it may be possible to have a corticosteroid injection in your shoulder joint.

Corticosteroids are medicines that help reduce pain and inflammation. They may also be given with a local anaesthetic.

These injections can help relieve pain and improve the movement in your shoulder. However, injections will not cure your condition and your symptoms may gradually return.

Corticosteroid injections will not be used after the pain has gone from your shoulder and only the stiffness remains.

Having too many corticosteroid injections may damage your shoulder, and the injections often become less effective over time, so your doctor may recommend having no more than three injections. You will need at least three to four weeks between these.

Read more about corticosteroids.

Later stage treatments

After the initial painful stage, stiffness is the main symptom of a frozen shoulder. Your GP may suggest stretching exercises, and you may also be referred to a physiotherapist.

Shoulder exercises

If you have a frozen shoulder, it’s important to keep your shoulder joint mobile with regular, gentle stretching exercises. Not using your shoulder could make the stiffness worse, so you should continue to use it as normal.

However, if your shoulder is very stiff, exercise may be painful. Your GP or physiotherapist can give you some simple exercises to do every day at home that won’t damage your shoulder any more.

Physiotherapy

A physiotherapist can use a number of techniques to keep the movement and flexibility in your shoulder. If you are referred to one, you may have treatments including:

  • stretching exercises that use specific techniques to move the joint in all directions
  • massage
  • thermotherapy, with warm or cold temperature packs

There is no clinical evidence to show that other treatments, such as transcutaneous electrical nerve stimulation (TENS), Shiatsu massage or acupuncture are effective in treating frozen shoulder.

Read more about physiotherapy.

Surgery and procedures

It is uncommon to need surgery for a frozen shoulder, but it may be recommended if your symptoms are severe and other treatments have not worked after six months.

If this happens, you may be referred to an orthopaedic surgeon (a specialist in conditions that affect the bones and joints). Some of the procedures used to treat frozen shoulder are described below.

Manipulation under anaesthetic

If you are finding the pain and movement restriction difficult to cope with, you can have your shoulder manipulated (moved) while you are under general anaesthetic.

During this procedure, your shoulder will be moved, in a controlled way, to stretch the sleeve (shoulder capsule) surrounding the shoulder joint. You will usually have corticosteroid and local anaesthetic injected into your shoulder joint to help reduce any pain or swelling.

You can normally go home the same day. Physiotherapy is usually recommended afterwards to help maintain mobility in your shoulder.

Arthroscopic capsular release

Arthroscopic capsular release is an alternative procedure to manipulation. It is a type of minimally invasive or “keyhole” surgery, carried out under general anaesthetic, where two or three small incisions are made around your shoulder.

The surgeon will insert a thin tube containing a light and camera (arthroscope) into one of the incisions, so they can see inside your shoulder. A special probe that emits high-frequency radio waves is inserted through the other incisions, and this is used to divide or cut out the thickened parts of the shoulder capsule. Opening up the shoulder capsule in this way should greatly improve your range of movement.

As with manipulation, you can usually go home the same day you have this operation, and you will probably need physiotherapy afterwards to help you regain a full range of movement in your shoulder joint. Stretching exercises need to be continued for at least three months after surgery.

Shoulder stiffness  may return, despite manipulation or surgery, and further treatment may be necessary.

Arthrographic distension (hydrodilatation)

Although it is less commonly performed than the operations described above, a procedure called arthrographic distension or hydrodilatation may sometimes be recommended to treat your frozen shoulder.

This treatment is carried out under local anaesthetic, which means you will be awake while it is carried out, but your shoulder will be numbed.

A special fluid called contrast medium, which shows up clearly on X-rays, will be injected into your shoulder joint at the beginning of the procedure. Under continuous X-ray guidance, a mixture of saline, corticosteroid and local anaesthetic is then injected into the shoulder joint.

This procedure usually only takes about 15 minutes, and you can go home the same day. As with the other procedures described above, physiotherapy may be recommended afterwards to help you regain a good range of movement in your shoulder.

There is some evidence that hydrodilatation may result in less pain and greater movement, although the effects may be no better than a corticosteroid injection.

Published Date
2014-05-15 09:48:59Z
Last Review Date
2014-03-17 00:00:00Z
Next Review Date
2016-03-17 00:00:00Z
Classification
Aches, pains and soreness,Back pain,Frozen shoulder,Joint pain,Painkillers,Physiotherapy,Shoulder,TENS

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