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Fluid Balance during Exercise

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Fluid Balance during Exercise The health of our body’s cells depends on maintaining the proper balance of fluids and electrolytes on both sides of the cell membrane, both at rest and during exerc ... ise. Let’s examine how this balance can be altered under various conditions of exercise and fluid intake. When you are appropriately hydrated, engaged in moderate exercise, and not too hot, the concentration of electrolytes is likely to be the same on both sides of cell membranes. You will be in fluid balance. If a person drinks a great deal of water quickly during intense, prolonged exercise, the extracellular fluid becomes diluted. This results in the concentration of electrolytes being greater inside the cells, which causes water to enter the cells, making them swell. Drinking moderate amounts of water or sports drinks more slowly will replace lost fluids and restore fluid balance. [Show More]

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