When a horse is "over the back" it is stretching its top line from poll to dock with its back being the highest point. This gives the rider the feeling that the horse raises it's back up to meet your seat. You can literally feel the horse growing underneath you. So why ask the horse to be over the back? When over the back, the horse uses it's top line (coming). Working a horse, over the back, creates a strong and well developed top line. This enables it to carry the rider more effectively without risking injury to itself. So [...]