Why do cramps sometimes ensue for no reason and hurt alot especially surrounded by the foot?

Answers:

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Cramping is generally related to an imbalance surrounded by any of the electrolytes: magnesium, potassium, calcium, sodium or phosporous. But tends especially to be associated to a shortage either surrounded by magnesium, calcium or potassium. Eat bananas which are rich in potassium and also apples or apple liquid. Take a dolomite tablet or other magnesium/calcium combination tablet after your evening meal and past bedtime. These should help. There is quantifiable research that shows that magnesium can help contained by particular next to nightime leg/foot cramps. Magnesium is best taken in combination near calcium (2:1) because they are needed in proportion and also because in that is some evidence also that calcium can help near cramps. If you sweat excessively after vigoruous exercise you need to replace adjectives electrolytes. You can buy a proprietary drink for that or eat watermelon (rich surrounded by potassium and magnesium) with some cheese (sodium, cacium and phosphorous replacement). Of course if you are beneath medical supervision and/or are on medication then consult to a health nurture provider before taking any supplements.

Cramps are tight because of prolonged muscular contraction.

Hope this helps.
Best wishes.