What is the Training Scale in dressage?

The Training Scale — known in German as the Skala der Ausbildung — is the systematic framework that describes the progressive development of the dressage horse through six interconnected qualities arranged in a logical developmental sequence: rhythm, suppleness, contact, impulsion, straightness, and collection. Developed and formalized by the German National Equestrian Federation and now widely accepted across the international dressage community, the Training Scale provides both a diagnostic tool for identifying where training has gaps and a developmental roadmap for building each quality on the foundation of the previous ones. The scale is not a rigid checklist through which each quality is installed and then set aside but rather a continuous reference framework in which all six qualities are always present in some degree and all are always being developed — a horse at Training Level is working on rhythm, suppleness, and contact; a Grand Prix horse continues developing rhythm, suppleness, and contact even as collection reaches its highest expression. The lower elements of the scale — rhythm, suppleness, and contact — are described as the foundation phase, in which the horse develops the basic physical and mental conditions that make systematic gymnastic work productive. The middle elements — impulsion and straightness — are the development phase in which the horse's power and engagement begin to develop. Collection represents the culmination at which the horse's carrying power is fully developed and all lower qualities are expressed at their highest level. Understanding the Training Scale is considered essential background knowledge for any serious dressage student because it explains why specific training problems arise and points toward their solutions more reliably than a collection of specific exercises applied without this underlying framework.