Equestrianism is a sport that involves the skillful riding of horses. It includes two main disciplines, HORSEMANSHIP and DRESSAGE. HORSEMANSHIP is the art of riding and training horses, while DRESSAGE is a form of riding in which the horse and rider perform a series of predetermined movements. Both disciplines require a great deal of skill and knowledge of horse behavior. Equestrianism is a popular sport around the world, with competitions held at all levels from amateur to professional.