In horse-centric Marion County, the miniature versions are just one of many equine breeds. The American Miniature Horse Association accepts horses that measure fewer than 34 inches at the withers — the area between the shoulder blades and typically the highest point on the animal's body. The American Miniature Horse Registry accepts horses up to 38 inches tall at the withers. A former offensive guard on the Trinity Catholic High School football team, Justin got a few raised eyebrows for his passion for the animals. The little horses were used extensively in Europe, and later in the United States, to pull minecarts out of cramped coal mines. Eventually, the miniatures became popular with the public, and breeders began refining the animals for both size and conformation. The breed registries in the U.S.