Rabu, 06 April 2011

Frozen Shoulder

What is Frozen Shoulder / Adhesive Capsulitis?

Frozen shoulder, medically referred to as adhesive capsulitis is a common cause of shoulder pain in people aged between 40 and 60, with women affected more than men. Shoulder specialist Dr Robert Codman first described ‘Frozen Shoulder’ in 1934, although this painful shoulder condition had frustrated patients and doctors for centuries before this. The fact that Frozen Shoulder merely describes what the patient experiences, is evidence that the condition was still poorly understood.
In 1945, Nevasier used the term Adhesive Capsulitis and described the pathology as being characterised by adhesions and contractures of the fibrous capsule that surrounds the shoulder joint. While other conditions can produce a stiff shoulder and shoulder pain, frozen shoulder is characterised by adhesions of the capsule.
To date the cause of frozen shoulder has not been worked out, although it is associated with other medical problems such as diabetes, thyroid problems and a history of previous heart attack.

Frozen Shoulder Signs & Symptoms

Interestingly, the non-dominant shoulder appears to be affected more than the dominant shoulder. Those patients with frozen shoulder usually experience distinct phases with differing signs and symptoms.
The first phase is referred to as the ‘Freezing’ phase. During this phase pain comes on slowly and leads to a gradual loss in shoulder movement. Some patients may not notice anything until they struggle to, say, fasten a bra or comb their hair. Eventually, over the space of a couple of months, the pain becomes so severe that it interferes with sleep because there is an exquisite pain when attempting to lie on the affected shoulder.
The second phase is referred to as the ‘Frozen’ phase due to the continued restriction of shoulder movement, which can last for up to a year.
The final phase is referred to as the ‘Thawing’ phase. This can take anywhere between 5 months and two years, although some patients can experience a more rapid recovery. During this time there is a gradual increase in shoulder range of motion.
As it is the soft tissues, specifically the capsule, that are affected by frozen shoulder, x-rays are clear. However, they are useful in distinguishing the problem from shoulder arthritis and calcific tendinopathy. The main diagnostic characteristic of Frozen Shoulder is decreased joint capsule volume (the fluid in the shoulder joint is decreased) when an arthrography is performed (an investigation whereby a liquid medium or dye is injected into the joint space).
The normal fluid volume of the shoulder is around 30 cubic cm, but during arthrography in frozen shoulder the joint will only take 10 cubic cm of dye. Another characteristic of frozen shoulder is the loss of the ‘axillary fold’ of the capsule on the arthrograph itself. It hasn’t gone anywhere; it has merely ‘stuck to itself’ and can’t be seen as a result.


To prevent the problem, a common recommendation is to keep the shoulder joint fully moving to prevent a frozen shoulder. Often a shoulder will hurt when it begins to freeze. Because pain discourages movement, further development of adhesions that restrict movement will occur unless the joint continues to move full range in all directions (adduction, abduction, flexion, rotation, and extension). Physical therapy helps with continued movement.

Frozen Shoulder Treatment

In some cases transcutaneous electrical nerve stimulation (TENS) with a small battery-operated unit may be used to reduce pain by blocking nerve impulses
Ice Therapy or Heat Packs can be effective to help pain relief, depending on personal preference. Pain relieving medication prescribed by a doctor is particularly helpful during the early ‘freezing” phase.
Physiotherapy treatment is the first option for Frozen Shoulder. The main aim of physiotherapy treatment is to gently stretch the shoulder joint capsule. This is achieved through performing passive mobilisations which are done at various points in the range of shoulder movement. In addition, the patient must keep up a regular active stretching program to gently improve shoulder range of movement. All this stretching should be pain free.
Some evidence suggests that more aggressive shoulder mobilisation in conjunction with local anaesthetic and Corticosteroid
A naturally occurring steroid which reduces inflammation. Synthetic corticosteroids are given as injections to treat inflammatory conditions. Corticosteroid injections can provide pain relief and restore shoulder range of movement.
If the arm can’t be lifted to the level of the shoulder after three months then manipulation under anaesthetic (MUA) by an orthopaedic consultant may be appropriate. Following the procedure, the affected arm is held ‘abducted’ away from the trunk in order to maintain range of movement. The day after the MUA, the patient must begin a series of active exercises to restore the full range of motion. If these conservative measures fail then surgery may be indicated to release the adhesions and restore range of movement.
It is important to avoid total disuse of the affected arm. This can lead to muscle wasting in the forearm and hand. Grip strength and dexterity can be maintained  to exercise the hand and fingers. This means that once the Frozen Shoulder pain resolves there will be a good level of function in the hand.
Physiotherapy may include massage therapy and daily extensive stretching, sometimes after warming/heating the shoulder. 
Far Infrared Ray (FIR) heat therapy is the most recommended form of Frozen Shoulder relief for its efficacy with no side effects. The penetrating heat reaches deep into strained muscles, and stimulates more blood flow into the area to speed up the body’s healing process.
Alternative medicine treatments include:
  • Acupuncture for pain management and greater range of movement
  • Nutrition
  • Osteopathy
  • Chiropractic
  • Water therapies, such as exercises in water, jacuzzi
  • Physical Therapy
    Physical therapists can help a patient develop a stretching and exercise program, and also incorporate ultrasound, ice, heat, and other modalities into the rehabilitation for frozen shoulder. As said previously, it is important that patients perform their stretches and exercise several times daily--not only when working with the therapist.  
  • Will my shoulder motion return to normal?
    Most patients who have a frozen shoulder will have slight limitations in shoulder motion, even years after the condition resolves. However, this limit in motion is minimal, and often only noticed when performing a careful physical examination. The vast majority of patients who develop a frozen shoulder will recover their functional motion with therapy and stretching alone.

3 komentar:

  1. Great Article!
    Frozen shoulder is a condition characterized by pain and stiffness in, or near, the shoulder joint. It can be caused when the joint sustains an acute injury, such as in a motor vehicle accident, or by overuse. The Niel-Asher Technique, or NAT, is a technique that was developed to assist in the treatment of frozen shoulder.

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