WHY DO HUMANS HAVE PALM LINES?
WHY DO HUMANS HAVE PALM LINES?
Ever wondered why there are lines on your palm?
Some people think the palm lines in human hands foretell
the future through what is called palmistry.
However, scientifically speaking, the lines on a palm, or palmer
flexion creases, help the hand's skin stretch and squeeze. They can also help
identify certain medical conditions.
When you clench your hand, palm lines provide an avenue for the
hand's skin to fold without bunching up and making it difficult to grab onto
items. That may also be why there are strong creases where the bones in the
fingers and thumb meet.
Most people have three prominent creases across the surface of
their palms, but sometimes there is only one crease, according to the NIH.
The thickness and number of creases on your palms also depend on
factors such as family history and race.
Having only a single palmer crease might indicate abnormal
development.
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