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 In most of the cases, Charlie horses are the late responses of overstraining a muscle during exercise, or otherwise. 2  Charley horse might be the result of an electrolyte or mineral imbalance in the body.  In some of the cases, Charlie horses have been found to be a signal of the onset of a vascular disease.
16513. A charley horse is one of the most common types of muscle spasms that mostly occur in the legs, but can occur in any muscle on the body. Exercise and hot weather are the most common causes of charley horse leg cramps. Charley horse often occurs in the middle of the night when the individual is sleeping.