Legendary
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Join Date: Sep 2006
Posts: 10,984
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Legendary
Join Date: Sep 2006
Posts: 10,984
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I'm not sure exactly how it affects nerves as such, but basically heat increases vasodilation and increases capillary permeability and cellular metabolism. It also can have a sedative effect on the area. However, it usually increases inflammation whereas ice decreases inflammation.
heat - "It brings oxygen, nutrients, antibodies and leucocytes to the affected area." according to one of my nursing books. - Fundamentals of Nursing -
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