https://blogs.mercola.com:443/sites/vitalvotes/archive/2004/07/29/Your-Brain-Makes-You-Tired-Not-Your-Muscles.aspxFatigue is in the mind, not the muscles, suggests a new study. But it can still have a serious impact on athletic performance. Traditionally, fatigue was viewed as the result of over-worked muscles ceasing to function properly. But evidence is mountingenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)