http://openwaterchicago.com/2008/03/24/minimizing-immersion-shock/ Adventures in Fitness Sat, 28 Apr 2012 21:10:59 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://openwaterchicago.com/2008/03/24/minimizing-immersion-shock/comment-page-1/#comment-4543 » Hypothermia Series – Part 4: The Mammalian Diving Reflex Thu, 24 Jun 2010 14:56:04 +0000 http://openwaterchicago.wordpress.com/?p=30#comment-4543 [...] In a prior post, I outlined the the “cold shock” response that the human body experiences during a sudden immersion into cold water. To recap, a person who has not properly prepared in advance for a cold water swim will experience a rather “rude awakening” upon entry into the water characterized by rapid, uncontrollable breathing (the “gasp reflex”) as well as an immediate increase in blood pressure and heart rate due to a sudden constriction of the capillaries under the skin. This is not a pleasant experience. [...] [...] In a prior post, I outlined the the “cold shock” response that the human body experiences during a sudden immersion into cold water. To recap, a person who has not properly prepared in advance for a cold water swim will experience a rather “rude awakening” upon entry into the water characterized by rapid, uncontrollable breathing (the “gasp reflex”) as well as an immediate increase in blood pressure and heart rate due to a sudden constriction of the capillaries under the skin. This is not a pleasant experience. [...]

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