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…

Review: Amphibia Sports Ring

The simple ideas are often the best ones. I’ve previously reviewed Irish Company Amphibia Sport‘s excellent Evo Sports Bag and I recently received in the post one of the company’s long-awaited (for me) silicon Sports Ring. I forgot to test swim it the weekend after I received it, so it had to wait until this…

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Where did my Claw go?

Cold, my favourite subject. With so many ways to talk about it. Every year I note changes in my adaptation and responses. The fun in this, is that I can treat myself like a long-term experiment and see what happens, it makes the cold swimming even more interesting, adds more personal value to it. My…

Peripheral vaso-constriction from cold water swimming – in pictures

I’ve often talked about vaso-constriction. As a reminder, upon immersion in cold water, in order to retain core warmth, blood flow to the extremities and skin slows. Upon exiting cold water a swimmer’s skin will feel really cold, even if the swimmer is experienced and may actually feel completely comfortable. I watched the BBC’s Wild…