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The Healthy Programmer by Joe Kutner

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Unit-Testing Your Wrists

We’ll apply three very common tests to the nervous tissue in your wrists. All of the tests work by trying to elicit a tingling sensation in your fingers. If you feel this sensation, it’s a sign of neuroregeneration, or the regrowth of damaged nerve tissue. This means that there has been some damage to your nerves.

The tests progressively apply more pressure to the main nerve that causes wrist pain. If you experience pain in one of the tests, do not proceed to the next one. Let’s begin with the gentlest of the tests.

Tinel’s Sign

In 1915, a French neurologist named Jules Tinel noticed that it was possible to generate a “pins and needles” feeling by tapping on a recently injured nerve. Tinel and other researchers determined ...

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