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.
What Causes Horse Anxiety? Anxiety will almost always have a root cause. The cause may be physical (caused by a physical factor â such as a snake or banging barn door) or psychological (past abuse or stress and separation anxiety). It may also be hereditary â so it is important to determine the cause of the problem.