Body control and body position are both important parts of a reining pattern. In this video, Keith Ceddia goes over basic body control exercises and how he expects his horses to go around when riding them through a pattern.
Pattern placement is a major part of reining. In this video, Keith Ceddia goes over the basics of rundown pattern placement and a few things you can do at home to help improve your timing throughout these maneuvers.
Keith Ceddia goes over the basics of each reining maneuver, starting with the large, fast circle and the small, slow circle, and shows you a couple of different drills you can do at home to help you get comfortable with pattern placement and getting comfortable with speed transitions.