Cramps are extremely common and noone really knows what is the correct advice to give on how to manage or even cure them. There are many theories, from dehydration and electrolyte imbalance to neuromuscular imbalances in the fatiguing muscle. However, none of these theories have been clinically proven to be the cause. Read on in this article from the NY Times Health Magazine. I’m sorry to say- there is no magic cure here! But still an interesting read.

http://www.nytimes.com/2008/02/14/health/nutrition/14BEST.html?scp=38&sq=&st=nyt