Colloquial phrase applied to the feeling of exhilaration and power often experienced in highly stressful or exciting situations. An adrenaline rush is brought on by a surge in the secretion of adrenaline (epinephrine) into the blood system. Adrenaline has profound effects on the body, preparing it for action.
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 | Sports Science and Medicine. The Oxford Dictionary of Sports Science & Medicine. Copyright © Michael Kent 1998, 2006, 2007. All rights reserved. Read more |
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