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.
Performing one or several stretches which elongate the muscles in the affected area should help to provide quick relief. Stand up straight, and then get into a lunging position, with your back leg being the one experiencing the charley horse. Straighten out your back leg while keeping your front leg bent.
And a charley horse can occur at any time of the day or night. People who are obese are more likely to experience charley horses because of poor circulation in their legs. Athletes often experience charley horses because of muscle fatigue or overuse.