What is Tendinitis?


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What is Tendinitis? (OpenStax Anatomy and Physiology)

Tendinitis is the inflammation of a tendon, the thick band of fibrous connective tissue that attaches a muscle to a bone. The condition causes pain and tenderness in the area around a joint. On rare occasions, a sudden serious injury will cause tendinitis. Most often, the condition results from repetitive motions over time that strain the tendons needed to perform the tasks.

Persons whose jobs and hobbies involve performing the same movements over and over again are often at the greatest risk of tendinitis. You hear of tennis and golfer’s elbow, jumper’s knee, and swimmer’s shoulder. In all cases, overuse of the joint causes a microtrauma that initiates the inflammatory response. Tendinitis is routinely diagnosed through a clinical examination. In case of severe pain, X-rays can be examined to rule out the possibility of a bone injury. Severe cases of tendinitis can even tear loose a tendon. Surgical repair of a tendon is painful. Connective tissue in the tendon does not have abundant blood supply and heals slowly.

Related Research: The effect of glucocorticoids on tendon cell viability in human tendon explants


Betts, J. G., Young, K. A., Wise, J. A., Johnson, E., Poe, B., Kruse, D. H., … DeSaix, P. (n.d.). Anatomy and Physiology. Houston, Texas: OpenStax. Access for free at: https://openstax.org/details/books/anatomy-and-physiology


Related External Link: Treatment of calcifying tendinitis of the shoulder by acetic acid iontophoresis: a double-blind randomized controlled trial

Other Related Research

Research Article: The effect of glucocorticoids on tendon cell viability in human tendon explants

Date Published: June 05, 2009 Publisher: Informa Healthcare Author(s): Margaret Wan Nar Wong, Wai Ting Lui, Sai Chuen Fu, Kwong Man Lee. http://doi.org/10.3109/17453670902988386 Abstract: Background and purpose Previous studies on the culture of human tenocytes have shown that dexamethasone and triamcino-lone reduce cell viability, suppress cell proliferation, and reduce collagen synthesis. However, such cell cultures … Continue reading

Research Article: Experimental study of tendon sheath repair via decellularized amnion to prevent tendon adhesion

Date Published: October 16, 2018 Publisher: Public Library of Science Author(s): Chunjie Liu, Kunlun Yu, Jiangbo Bai, Dehu Tian, Guoli Liu, Chunfeng Zhao. http://doi.org/10.1371/journal.pone.0205811 Abstract: The adhesion of tendon and surrounding tissue is the most common complication after repairing an injured tendon. The injured flexor tendons in zone II are frequently accompanied by tendon sheath … Continue reading