How To: Advice for Christmas or New Year swimming in cold water for irregular or casual open water swimmers

In Brief: PREPARE and OBSERVE If swimming by yourself, make sure you inform someone where and when and preferably have an observer. Your most important pre-swim action to make sure you know where to exit the water safely. Watch the water before you get in. If you have been drinking alcohol the night before, please don’t…

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…