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.
Certain medications can also cause Charley horse as a result of their side effects. Drugs such as statins or medicines prescribed for lowering cholesterol, blood pressure, diuretics, asthma medicines like terbutaline and salbutamol, morphine and lithium can trigger muscle spasms.
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.