Peripheral Vasoconstriction in fingers demonstrated using Infrared

What Is Peripheral Vasoconstriction?

This physiological response has been mentioned so many times that I decided it needed its own specific post to plug into the Cold Water Swimming articles section. What is peripheral vasoconstriction? Following¬†immersion in cold water, blood flow is reduced in human limbs and skin. Why does peripheral vasoconstriction happen? Peripheral vasoconstriction occurs to allow the…

Peripheral Vasoconstriction in fingers demonstrated using Infrared

What is cold immersion diuresis in swimmers?

More clearly: Why do you have to pee more during and after swimming? Diuresis is the medical term for increased urination. Cold immersion diuresis is common to cold water swimmers and is the strong desire to pee after (and sometimes during) swimming in cold water. As we have now discussed many times, swimming in cold…