Andrew Marks, a student at Columbia Universtiy has discovered muscle-fatigue is, in fact, not caused by the build up of lactic acid in the muscles. "Muscle-fibre cells contract when calcium ions are released inside them, under the control of ion channels called ryanodine receptors.
Now, a growing body of evidence suggests that fatigue is actually related to how these calcium ions are released and processed."(Justin Mullins, New Scientist consultant), so basically, an athlete's performance has a lot to do with how ryanodine receptors process calcium ions. He has created a drug which can prevent muscle-fatigue. To learn more visit: http://www.newscientist.com/blog/invention
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