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What is the underlying cause of a frozen shoulder?

Frozen shoulder occurs due to scarring of the joint capsule. The capsule is the deepest layer of tissue before you get to the bone and cartilage and basically holds the lubrication (synovial) fluid in place. It houses the ligaments and is normally very elastic in nature which allows an excellent range of movement. In frozen shoulder it becomes scarred and stiffened.

What are the common symptoms one would expect?

Someone doesn’t just wake up one morning and find they have a frozen shoulder.

This is a problem which typically builds up over two to three months. The restriction in movement may go unnoticed until it starts to effect the functional range of movement. Often patients feel like they injured their shoulder during a gym session or while reaching for something but this will be just be the first time they have experienced the restriction in movement. Initially, in the initial stages of the shoulder stiffening up, pain will be limited to end range movement.

Night pain is one of the most disrupting symptoms and the reason why most people seek medical treatment. Most people with this condition, as some point , will experience waking pain on a regular basis.

Why do people get frozen shoulders?

Most frozen shoulders are described as idiopathic – this means it has occurred for no particular reason. Most likely people have a genetic predisposition to this condition as if you develop a frozen shoulder on one side, you have a high chance you will develop it in the other shoulder at some point in the future. Thankfully it is very rare that both shoulders are affected at the same time.

An injury to the shoulder can cause a frozen shoulder. It does not have to be as nasty as a fracture but a heavy fall or jarring injury can bring it on. It does not usually occur immediately after the injury but comes on over the following 4 to 8 weeks. Frozen shoulders are often seen after surgery to the shoulder and are recognised as some of the work the physiotherapists have to do as part of the rehabilitation process.

Are some people more susceptible to having a frozen shoulder?

Typically it occurs between the age of 40 to 60. It is slightly more common in women than men. It is associated with diabetes and in these cases the frozen shoulder can be much more difficult to treat especially if once sugar control is not particularly good.

How long does a frozen shoulder last?

If left untreated frozen shoulder can last up to 2 years. With active intervention (injection and physiotherapy) it can be successfully treated in 2 to 3 months although there is a fair amount of variation between people.

It is divided into 3 time stages:

  • Freezing stage – this tends to be the most painful part as the capsule is going through the scarring process. Night time pain can be very intrusive.
  • Frozen stage – this stage associated with the loss of most function and restriction in movement but tends to see a slight improvement in the symptoms.
  • Thawing stage – the stage seems to a further improvement in symptoms and a gradual return in range of movement.

How can someone get treated for a frozen shoulder?

It is advised that you are assessed by an orthopaedic shoulder specialist consultant to diagnose, investigate and make a treatment plan for your frozen shoulder.

These days most frozen shoulders are successfully treated with a combination of injections and directed physiotherapy. Not many require surgical intervention.

The most successful injection is called hydrodistention or hydrodilatation. This injection is done under ultrasound guidance (probe with gel is placed on the shoulder to guide the needle into the correct position), fluid in the form of water, corticosteroid and local anaesthetic is then injected into the joint under gentle pressure. This has the effect of distending the capsule and breaking down the scar tissue. This procedure is well-tolerated and is done in an outpatient setting without the requirement for an anaesthetic. People can return to normal activities immediately including driving.

The physiotherapist will take the patient through a “capsular stretching program” which essentially help stretch out the tight parts of the capsule to restore movement and function.

The Shoulder and Elbow Team at OneWelbeck can help anyone with a frozen shoulder to provide a dedicated treatment which will expedite the treatment of this painful and debilitating condition.

Get in touch

Want to know more about how we help patients with frozen shoulders or have a particular problem in your shoulders you want a specialist to take a look at?

Please contact us today by clicking filling out the form below, or by calling the clinic on 0203 653 2002.