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Tendinitis And Tenosynovitis
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Overview of Tendinitis And Tenosynovitis 
Tendons are the fibrous attachments of the muscles to the bones. Some of the tendons can be quite long, such as those that flex the fingers. Here, the tendons are protected by an individual membrane, or synovial sheath. Tendonitis is the painful inflammation of a tendon. Tenosynovitis is the painful inflammation of the lining surrounding the tendon. These disorders can occur independently or together.
Causes of Tendinitis And Tenosynovitis
Tenosynovitis may be caused by an infection or from overuse. Similarly, tendonitis may occur from a minor injury or from overuse. Frequently, there is a small tear that occurs in the tendon.
Signs and Symptoms of Tendinitis And Tenosynovitis
Tendonitis tends to occur most commonly just adjacent to a joint. It leads to pain in this region and marked tenderness over the involved tendon. Any motion involving the affected tendon will increase the pain. When the condition becomes chronic, it can lead to limited movement of a joint, such as in frozen shoulder syndrome.
Tenosynovitis is most commonly seen in the hand. There is difficulty in straightening the thumb or a finger. The movements of the digit are not smooth, but jerky. Tenosynovitis may be caused by a bacterial infection. In this case, there may be swelling, redness and increased temperature around the involved synovial tunnel. Tenosynovitis that arises from a bacterial infection requires immediate medical care.
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Medical Content Last Updated on 07/12/2008
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