Achilles Tendon Can’t Heal Itself

Colors&Reflections

Colors&Reflections

New research in The Federation of American Societies for Experimental Biology Journal, based on carbon-14 dating, shows that despite repeated high-impact loading, the Achilles tendon is not renewed, but stays the same throughout adult life. Notorious among athletes and trainers as career killers, Achilles tendon injuries are among the most devastating. Now, by carbon testing tissues exposed to nuclear fallout in post WWII tests, scientists have learned why like our teeth and the lenses in our eyes, the Achilles tendon is a tissue that does not repair itself. This discovery was published online in The Federation of American Societies for Experimental Biology Journal.

Tendon injury is a very common disease, which hinders many from enjoying the numerous benefits of sports and recreational activities. The new discovery will provide the essential knowledge necessary for the development of effective treatments of tendon diseases. Discovery was made by taking advantage of carbon-14 spikes resulting from post WWII nuclear bomb tests. Because of these tests, there was a large release of the radioactive carbon-14 (radiocarbon) to the atmosphere between 1955 and 1963. This sudden rise in carbon-14 – called the bomb pulse – reached a maximum of twice the natural atmospheric level in 1963, and then gradually dropped to the lower levels over time. This variation is reflected in all human tissue, because humans eat plants and animals fed on plants that take up carbon-14 from the atmosphere. Scientists studied the Achilles tendons from people who had lived during the carbon-14 bomb pulse peak, and found that the high carbon-14 levels of this period had remained in the tendon tissue for decades after. This persistence of radiocarbon can only be explained by the fact that the rate of tissue renewal is extremely slow in the tendon, if it exists at all. In fact, the results showed that the Achilles tendon stays the same after growing ends. In comparison, muscle tissue from the same persons had been constantly renewed and contained no memory of the radiocarbon.

This finding is warning to modulate anticipations. When it comes to tendons, we have may be all we have. Like our teeth, it’s far better and less painful in the long term to protect them throughout lifetime than it is to count on a successful recovery.

 

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