Function of magnesium related to the prevention of a cramp is a magnesium control of the nervous system and muscles as well as the need for calcium signaling in nerve and muscle contractions. Helps muscles relax after contraction. That muscle contraction is due to calcium into the cells within the muscle. Due to a stress trigger. And to control the movement of calcium magnesium, when this is not enough calcium, magnesium will flow into the muscle cells too. And cause contraction of muscles is not normal. (more…)