 When white markings on the forelegs extend above the knees, they may trail up the shoulder or up the back of the leg to the elbow with the characteristic irregular, feathered, or roaned borders.White markings above the hocks on the hindlegs are more common, and typically trail up the front of the leg to the stifle joint and flank.When white leg markings extend above the knee or hock, they are often accompanied by body spotting, typically on the belly.