A tear is a rip of the tendon...usually off its bony attachment place. It is similar to a tear of cloth. Some tears are complete and others small rips.
Tendon tears often come from some injury or trauma, or fall. And are very common in the knee.
But they can be spontaneous, especially when certain drugs are used...antibiotics called fluoroquinolones: Cipro, Levaquin, Avelox etc. These drugs disrupt the metabolism somehow, not well understood yet, of the tendon and the tendon then tears and comes off its attachment place. A ruptured tendon may occur up to a year after use of those drugs and is typically delayed.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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