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2635 pages added, reviewed or updated during the last month (last updated: 16/4/2021)


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Achilles tendinitis

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Achilles tendinoathy is a term used to describe an intratendinous disorder caused by overuse injury of the Achilles tendon.

  • continued overload of the tendon  results in a failed healing response, which may result in degenerative changes in the tendon (1)

Two categories of the condition can be described according to the anatomical location:

  • insertional  tendinopathy - at the calcaneus-Achilles tendon junction
  • noninsertional  tendinopathy - 2 to 6 cm proximal to the insertion of the Achilles tendon into the calcaneus (1)

It is most commonly seen in people who participate in the physical activities such as running and jumping.

  • it has an annual incidence of 2.35 per 1,000 adults registered with a GP (2)
  • it may affect 9% of recreational runners and cause up to 5% of professional athletes to end their careers
  • an epidemiological study of 1394 nonathletes reported the condition in 5.6% of the subjects (4% insertional, 3.6% noninsertional, and 1.9% both forms)
  • insertional tendinopathy tends to occur in more active persons, while older, less active, and overweight persons tends to suffer from noninsertional tendon injury (1)

Reference:

Last reviewed 03/2020

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