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This may help, found in Yahoo answers ..
http://answers.yahoo.com/question/index?qid=20071130120830AAhvLsB
Q.
Why does it hurt so much more.....?when you fall and scrape your hand on the cement or bang your hand against something when your hand is freezing cold as opposed to warm...it seems like the freezingness (?) would numb your hand a bit and make it not hurt as much, but it hurts 10x's worse!
- 1 month ago
whats the medical explanation?....
A.
It has to do with the way that your hand (in this case, but, if it was another body part, similar results would be seen--however, the palm of your hand has ALOT of nerves) is more rigid when it is cold. This makes it LESS flexible, and MORE prone to superficial injury....even without frost nip setting in. In the event that actual frost nip set in, this would be even more sensitive, as you have tiny crystals beginning to form in your cells, like little shards of glass......and, smacking them, rubbing them, or scraping them would be like SMACKING, RUBBING, or SCRAPING your neutral temperature hand against shards of glass.
When it is cold, your nerves are VERY sensitive to the temperature, as it ISNT numb yet, and still....blood flow is slowed down tremendously. In fact, your body has begun "vaso-constricting" all it's blood flow AWAY from your hands and feet, then the arms and legs, resulting in nerves being pressed upon by the less suple skin and vascular tissues.
(think of it like this....your hand swells---you cant get a RING off your finger. SO, you get told to run your hand under cold water---really cold water for about 15 minutes. The ring should slide right off...if not, you may need to run hot water JUST on the metal ring for 1 minute to re-expand the metal. This is because when your hand is cold---it is actually smaller. the only thing that gets bigger when cold is WATER---every thing else gets smaller)
Wiki User
∙ 12y ago
Wiki User
∙ 8y agoOur bodies are made of so much water, when its cold, damp etc the pressure it creates on joints that are injured or weak will make them more painful. Keep joints and the body warm when itis cold out.
Wiki User
∙ 13y agobecause the cold air gets in and it hurts
so if you cut yourself on ice/icicle the sharp and coldness cuts you so it hurts more.
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