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Fitness Theory and Practice. CrossFit's rationale & foundations. Who is fit? What is fitness?

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Old 10-28-2006, 06:34 AM   #1
Frank M Needham
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I came across this site while looking for basic info. Seems like a pretty good place to get basic explanations on theory behind exercise/fitness.

http://muscle.ucsd.edu/musintro/jump.shtml

For example: From Fat Metabolism
"The only biological drawback to this, and other, forms of oxidative metabolism is its dependence on oxygen. Thus, if energy is required more rapidly than oxygen can be delivered, muscles switch to the less efficient anaerobic pathways. Interestingly, this implies that an anaerobic workout will not "burn" any fat, but will preferentially deplete the body of glucose. Of course, your body can't survive very long on just anaerobic metabolism...it just can't generate enough energy."

There's a whole list of interesting subjects there, most of which I haven't had the time to scan yet.
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Old 10-28-2006, 10:44 PM   #2
Steven Low
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This is probably a better site for exercise/fitness theory:
http://www.geocities.com/elitemadcow...nts_thread.htm

Your site is good for a muscle and energy pathway physiological background along with a bit of exercise information. The above is centered around exercise and training moreso that one. That one is more like a "how-stuff-works" website for the body. Metabolism stuff looks to be straight from a biochemistry textbook while most of the muscle stuff from a physiology text. Good stuff though. :-)
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Old 10-29-2006, 11:54 AM   #3
Frank M Needham
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thanks for that Steven, lots of good stuff there...

(Message edited by fmn on October 29, 2006)
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