if you don't have mind that is stress free then you can't do anything properly through out the day.
<span>The limbic system is a collective term for a group of nuclei, tracts, and cortical areas lying beneath the neocortical surface that covers the brain and that surrounds the thalamus at the core of the forebrain.</span>
Muscle cramps are often associated with a lack of vitamin B - lacking this vitamin will often be correlated to this occurence; if not directly cause it. This is also the reason why bodybuilders sometimes find themselves cramped up during competitions because they don't take enough vitamins before the competition.