Under ideal cond- tions, electrolytes flow through muscle cells to keep them functioning normally.
Perspiration depletes cells of fluids and weakens the muscle tissue.
And in the process, energy is back where it belongs. Water is the largest single componet in the body and serves as a vehicle for electrolytes because body fluid composition is largely water. Electrolytes are those substances or compounds which, when dissolved in water, dissociate into positively and negatively charged ions. Optimum nerve reaction and muscular activity are dependent on proper exchange of these ions outside and inside cells. Electrolytes can be simple inorganic salts of potassium, sodium, calcium, magnesium or complex organic molecules.