Bursitis Health Article

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Definition

Bursitis is the painful inflammation of one or more bursae, which are padlike sacs found in parts of the body that are subject to friction. Bursae cushion the movements between the bones, tendons and muscles near the joints. Bursitis is most often caused by repetitive movement and is known by several common names, including weaver's bottom, clergyman's knee, housemaid's knee, and miner's elbow, depending on the area of injury.

Description

There are over 150 bursae in the human body. Usually bursae are present from birth, but they may form in response to repeated pressure. Each sac contains a small amount of synovial fluid, a clear liquid that acts as a lubricant. The bursae may become inflamed through traumatic injury, infection, or the development of arthritis. The inflammation then causes pain whenever the joint is moved. The most common site for bursitis to occur is the shoulder joint (subdeltoid), but it also is seen in the elbows (olecranon), hips (trochanteric), knees, heels (Achilles), and toes. The affected area may be referred to as "frozen," because movement is so limited. In the knee there are four bursae, and all can become inflamed with overuse.

Causes & symptoms

The most common cause of bursitis is repeated physical activity, but it can flare up for no known reason. It can also be caused by trauma, rheumatoid arthritis, gout, and acute or chronic infection.

Pain and tenderness are common symptoms of bursitis. If the affected joint is close to the skin, as with the shoulder, knee, elbow, or Achilles tendon, swelling and redness are seen and the area may feel warm to the touch. The bursae around the hip joint are deeper, and swelling is not as obvious. Movement may be limited and is painful. In the shoulder, it may be difficult to raise

the arm outward from the side of the body. Putting on a jacket or combing the hair, for example, become troublesome activities.

In acute bursitis symptoms appear suddenly; with chronic bursitis, pain, tenderness, and limited movement reappear after exercise or strain.

Diagnosis

When a patient has pain in a specific joint, a careful physical examination is needed to determine what type of movement is affected and if there is any swelling present. Bursitis will not show up on x rays, although sometimes there are also calcium deposits in the joint that can be seen. Inserting a thin needle into the affected bursa and removing (aspirating) some of the synovial fluid for examination can confirm the diagnosis. In most cases, the fluid will not be clear. It can be tested for the presence of microorganisms, which would indicate an infection, and for crystals, which could indicate gout. In instances where the diagnosis is difficult, a local anesthetic (a drug that numbs the area) is injected into the painful spot. If the discomfort stops temporarily, then bursitis is probably the correct diagnosis.

Nutritional therapy

Naturopaths and nutritionists emphasize the role of diet as underlying causes of bursitis. They believe that the faulty use of calcium by the body, magnesium deficiencies, and food allergies may play a role. Their recommended diet may include the following:

Herbal therapy

Herbalists have recommended the following herbs or plant products for treatment of bursitis:

  • curcumin (turmeric)
  • bromelain (an enzyme found in pineapple)
  • ginger
  • grape-seed extract
  • pine-bark extract
  • citrus bioflavonoids

Homeopathy

Homeopathic remedies for bursitis include Belladonna, Bryonia and Rhus toxicodendron.

Hydrotherapy

The application of ice soon after an injury helps decrease the inflammation of acute bursitis. After two days of treatment with ice, however, heat instead of ice is more helpful. A warm heating pad or hot showers or baths can also relieve the symptoms of bursitis.

Acupuncture

Acupuncture has been proven effective in treating hip and shoulder pain caused by bursitis and other conditions.

Chiropractic

Spinal manipulation by a chiropractor may help improve movement in the affected joints by relieving some of the pressure on them.

Body work

Body work starts with adequate rest and massage of the bursitic area. Massage can increase blood circulation in the area, reducing the inflammation and pain. Following the initial phase of body work, patients may participate in yoga exercises that help to improve joint mobility and strengthen the muscles surrounding the joints.

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Author Info: Mai Tran, The Gale Group Inc., Gale, Detroit, Gale Encyclopedia of Alternative Medicine, 2005
 
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