Tendinitis and Tenosynovitis

Tendinitis and Tenosynovitis



Description


Painful inflammation of a tendon is called tendinitis, and painful inflammation of the lining of the tendon sheath is called tenosynovitis. Inflammation of both often occurs simultaneously. Normally, tendon fibers merge into muscle fibers and serve as the muscle’s attachment (insertion) to bone. The typical muscle has a tendon on each end that attaches to bone and allows the force of the muscle contraction to be transmitted through the tendon to produce movement. Tendinitis may be due to microscopic or partial tearing of the tendon.



Common signs and symptoms



• Pain, tenderness, redness or bruising, and swelling occurs in the area of injury; severity varies with the extent of inflammation or injury.

• Normal mobility of the injured joint is lost.

• Pain is worse with contraction of the muscle the tendon is attached to and with motion of the joint it crosses.

• Weakness in the tendon is caused by calcium deposits that may accompany tendinitis.

• Most common sites include the Achilles tendon, rotator cuff, patellar tendon, peroneal tendons, posterior tibial tendon, and biceps tendon.


Causes



• Sudden overload of a contracted muscle, overuse, sudden increase or change in activity, or strenuous athletic activity

• Less commonly, the result of a direct blow

• Poor biomechanics


Factors that increase risk



• Trauma

• Overtraining

• A sudden change in athletic activity

• Incorrect form, mechanics, or technique

• Poor physical conditioning (strength, flexibility)

• Inadequate warm-up before practice or play
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Jul 18, 2016 | Posted by in SPORT MEDICINE | Comments Off on Tendinitis and Tenosynovitis

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