hi there, sorry to hear your painful story

here's my 2cents - and yes i am being facetious when i say that physical exertion does not deplete your body's natural levels (yeah right hehe) of Flexeril, Vicodin, Tramadol, Valium, Amitriptyline, Oxycodone, Hydrocodone, or Soma.
physical exertion *does* however deplete your levels of magnesium. magnesium is easily lost via sweating. magnesium is directly related to a muscle's ability to relax.
remember the other month, when nadal collapsed during
that interview? right away i thought yep, that guy needs magnesium... maybe i should send him an email.
you may want to think about requesting a serum and/or RBC magnesium test.
the normal range for serum magnesium is 0.70-1.10 mmol/L, however, research suggests the 0.90 should be the actual minimum.
there are all kinds of nutrient level problems in ms patients. as an athlete, you are more susceptible to nutrient depletion than your average joe. i can tell you all about the different nutrition problems you might want to investigate, but the number one go-to for you to try in order to calm the tension and pain and fatigue would be magnesium.
if you do not want to bother with testing, here is an easy option: pick up some *magnesium glycinate* and take a pill before a meal, 3x per day for a week, then check back in and let us know how you feel!
fyi this is the magnesium glycinate product i currently use
http://kirkmanlabs.com/ProductKirkman/1 ... ergenic/#g