Saturday, August 24, 2019

Getting a Grip on Finger Wrinkles



Why do your fingers get pruney after a swim? Only a handful of researchers, including Einar Wilder-Smith, Mark Changizi, and Tom Smulders, have looked into the phenomenon. Publishing in Biology Letters, Smulders lends a hand to the hypothesis, set forth by Changizi and colleagues, that finger wrinkles improve our grip of wet objects.





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27 comments:

  1. Wouldn’t it be interesting, if they tracked the amount of wrinkling on divers who dive to gather food ?

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  2. my fingers are always pruney (just a little bit) and it’s so annoying, it makes my hands look ugly, i really wanna get rid of it

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  3. My fingers have stopped wrinkling in water...should i be concerned? I also test positive for high rnp antibodies (usually indicative of mixed connective tissue disease)...can autoimmune disease cause this to stop happening?

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  4. can you get wrinkles in salty water like the sea?
    if not I say it's for hydration, wrinkles give more surface, and you can absorb more water

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  5. I hate it when my fingers tinkle it feels horrible!!😣

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  6. my fingers don't wrinkle in water anymore. I had severe depression in the past. wondering if there's any connection.

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  7. I always thought finger wrinkling had to do with water washing off the natural oil your skin produces, and so without that oil your finger is just like "oh. bye."

    I don't know how that makes sense, but that's what my mom told me so

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  8. UGGG how can scientists be so retarded. Its not when h20 goes into the skin sells, its when the water and salt in your blood get drawn out. YOU CAN NOT GET WRINKLES FROM SALT WATER. If this theory was true about grip on your fingers than either A: we evolved from or witht eh use of freshwater and everyone who hates sea food is right, or its BS

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  9. Having wrinkles shaped like mountain rivers drains water as efficiently as nature allows (less sliding) AND increases surface area of the hand hence allows for better grip - 12% efficiency seems very reasonable under those assumptions.

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  10. that thumbnail is disturbing to be honest...

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  11. As someone who likes to switch between a hot whirlpool sauna and a cold pool because of the workout it gives to the circulatory system, I noticed long ago that my finger wrinkling is now minimal or absent. I just don't wrinkle anymore and so have come to regard finger wrinkling as symptomatic of a poorly exercised circulatory system. The ancient Romans designed baths to maximize the hot/cold experience and I for one have never experienced heat stroke - which might help explain the Roman bath.

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  12. Finger wrinkling may have more directly to do with the lymphatic system but since the lymphatic system works together with the circulatory system it can be expected to get a workout whenever the circulatory system does, as would happen during hot/cold bath transitions. In a hot bath, the body moves blood to the extremities in an attempt to convect and radiate heat out of the body; back in the cold plunge, the body moves blood into the core areas in an attempt to conserve heat.

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  13. boooooooooooooooooooooooooooorrrrrrrrrrrrrrrrrriiiiiiinnnnnnggggggggggg.........youre right y am i watching this

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  14. Our fingers prune after being in water for an extended time, because the prune impressions give us better grip underwater.

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  15. Hot water also cause pruning of the fingertips over a period of time, so water temperature is only about how fast it occurs.

    The actual function of the pruning of finger tip is to provide better grip. One of those left over reactionary features of evolution. If you switch between hot/cold, the explanation is your body is too busy trying to regulate the heat in your body to care about grip.

    Try soaking in stable temps for 30 minutes, it will prune unless you got nerve damage somehow.

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  16. You just gotta love science! Explaining your everyday phenomena like a boss.

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  17. Dude, seriously, get a grip on yourself!

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