https://blogs.mercola.com:443/sites/vitalvotes/archive/2016/08/26/what-is-a-charley-horse-muscle-cramps-explained.aspxA charley horse can ruin an excellent workout. Medical News Today provided a list of both causes and treatments for this excruciating cramp. The charley horse is much more than your run of the mill cramp, "a charley horse suddenly happens as an uncontrollableenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)