The German Training Scale (GTS) is often used as the guide for modern competition dressage training. People use it as their bible on their travels to become dressage megastars.
How do you help a horse not rush at the canter? How do you help a horse that bolt out of a trailer? How do you help a horse that spooks on a trail ride?
I explained that the purpose of the groundwork was to better prepare a horse to be ridden. Everything we do should be connected to developing a better riding horse.
The horse world is awash with training methods for every aspect of dealing with horses from handling foals to competing at the highest levels in any given sport.