“Glycogen [a starchlike compound that stores energy for quick release] turns out to be a crucial piece of the metabolic switch,” according to a Scientific American story about the study. “During the first few days of racing, sled dogs draw energy from glycogen stored inside muscle cells. But instead of depleting glycogen stores and tiring the muscles, the animals suddenly switch to a glycogen-sparing metabolism. They start drawing energy from sources outside of the muscles.”
Posted on: Fri, 19 Jul 2013 16:56:56 +0000
Trending Topics
Recently Viewed Topics
© 2015