What should a yearling reining prospect learn?

A yearling reining prospect should learn leading correctly, standing quietly for tying, accepting grooming and handling all over its body including the ears, mouth, and legs, picking up all four feet willingly for the farrier, loading and traveling in a trailer without anxiety, and basic respect for the handler's space and cues. The yearling year is entirely about education, trust, and building the foundation of human relationship that everything else stands on — it is not about physical conditioning, maneuver introduction, or any work that places physical demand on a developing musculoskeletal system that is not yet ready for it. Growth plates in the horse's legs, back, and hips are still open and developing throughout the yearling year, and physical stress applied before those structures are mature creates damage that may not be apparent until the horse is in heavy training years later. The goal of the yearling year is a horse that is genuinely comfortable with people, confident in new situations, emotionally stable when things are unexpected, and responsive to basic pressure-and-release communication on the halter and lead. Exposure to varied environments — different locations, different horses, different noises and activities — during the yearling year builds the generalized confidence that will serve the horse throughout its career, because a horse that has been exposed to many things as a yearling arrives at training with a broader comfort zone than one raised in a limited environment. The relationship built during the yearling year through consistent, fair, patient handling is the foundation of the trainability that will determine how efficiently the reining maneuvers are installed in the years ahead.