This is something we discuss in the Open Water Class and it is why we at Fearless Swimming move slowly into the water, get the face wet and take our time with putting the face in and swimming short distances to warm-up BEFORE we start to race......... "Open-water racing triggers a clash of two mechanisms of the involuntary nervous system, according to researchers at England’s University of Portsmouth. A “fight or flight” response activated by physical exertion, cold water temperature or anxiety tries to speed up the heart rate and causes hyperventilation; this occurs just as the body tries to slow the heart rate to conserve oxygen in response to facial wetting, water entering the mouth, nose and throat, and extended breath-holding, the scientists said. Normally, the two responses don’t happen at the same time, but when they do, the heart can go into abnormal rhythms, which can cause sudden cardiac death,” Read more here: miamiherald/2013/07/08/3490759_p2/triathlons-the-most-risky-race.html#storylink=cpy Read more here: miamiherald/2013/07/08/3490759/triathlons-the-most-risky-race.html#storylink=cpy
Posted on: Wed, 10 Jul 2013 05:11:07 +0000
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