Tinel's sign test
Your health professional taps on the inside of your wrist over the median nerve. If you feel tingling, numbness, "pins and needles," or a mild "electrical shock" sensation in your hand when tapped on the wrist, you may have carpal tunnel syndrome.
Phalen's sign test
You rest your elbows on a flat surface such as a desk, with your elbows bent and your forearms up. You then flex your wrists, letting your hands hang down for about 60 seconds. If you feel tingling, numbness, or pain in the fingers within 60 seconds, you may have carpal tunnel syndrome.
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