Today's true sports drinks are still the classic Gatorade -- packed with the electrolytes potassium, magnesium, calcium, and sodium to provide energy during intense workouts -- as well as competitors such as Cytomax, Allsport, and Accelerade.
1 Low levels of minerals, such as sodium, magnesium or potassium, in the body can be one of the reasons for Charlie horses. 2  Deficiency of calcium in pregnant women can also be another reason for the onset of Charley horse.  Low level of liquids in the body, while exercising, might be a probable cause of Charley horse.
What causes a knot or a rolling muscle to form in your stomach by your rib cage. It hurts like a sharp pain or a charlie horse feeling in stomach? Spasm or cramp: Similar to muscle spasms in the back or elsewhere in the body--over use or over stretching can cause local injury to the muscle tissue and spasm. Charley Horse (Definition) Charley horse is a sudden painful spasm and cramping of a muscle.