Champion horserider Gillian Higgins teaches horse anatomy by painting the inside of a horse on the outside of a horse. 22 October 2009 • 8:56am Gillian Higgins during the four-hour task of ...

A crash course in horse anatomy for the 2015 Kentucky Derby. ... NECK: 90 percent of a horse's muscles are in the neck. VOICE BOX: All horses can speak, they just choose not to.