Medsarticles. Medical Weblog » Diabetes http://nongmake.com Read More About Health Tue, 01 Jun 2010 14:36:53 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 WHY IS THE G.I. FACTOR RELEVANT TO SPORTING PERFORMANCE? http://nongmake.com/2009/05/why-is-the-gi-factor-relevant-to-sporting-performance http://nongmake.com/2009/05/why-is-the-gi-factor-relevant-to-sporting-performance#comments Fri, 08 May 2009 13:53:20 +0000 admin http://nongmake.com/2009/05/why-is-the-gi-factor-relevant-to-sporting-performance The G.I. Factor ranks foods on the basis of their measured blood sugar response to a specific food. The rate at which glucose enters the bloodstream affects the insulin response to that food and ultimately affects the fuels available to the exercising muscles. There are times when low G.I. Foods provide an advantage and times when high G.I. Foods are better. For best performance, a serious athlete needs to learn about which foods have high and low G.I. factors and when to eat them.

High G.I. Factor foods like potatoes will produce a rapid increase in glucose and insulin levels, something which is not desirable just before a race when glycogen stores should already be fully charged. Low G.I. Foods, such as pasta, which are digested and absorbed much more slowly, are able to provide glucose to the working muscle towards the end of exercise when glycogen stores are running low. They can be likened to a continuous injection of glucose during the event. This can boost energy when fatigue begins to set in. After the event, high G.I. Foods are best because they stimulate more insulin, the hormone responsible for putting glycogen back into the muscles.

Manipulating the G.I. Of your diet can give you the winning edge!

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