Seitai is an educational and training tool where one observes oneself. That is to say, the hows and the whys of the bodies manifestations and moving parts and learns from them and by doing so observes its natural spontaneous movement.

Our body is not a random mix of cells, tissues and organs. It is a living being with a rigorous structure and specific order, the result of a long and endless evolutionary process. It has the ability to react to very different situations and maintain its own vital balance, adapting to and through environments. Our body responds to its needs – both internal and external – as a whole complete unit its various activities maintain a total and absolute interdependence.

Haruchika Noguchi revealed and shared that the ability of the organism as a unit to respond spontaneously is the work of five universal movements, which cause various energetic activities (motor, biological and psychological) of the living being and called it the Osei Scheme.

This study and observation allowed Noguchi to clarify concretely how our structure perceives the world and at all times achieves a dynamic and balanced equilibrium. In every living being, biological and biochemical functions are essentially the same, but in man they stand out because of the complex psychomotor organization, which allows a unique perception of the world.

It is therefore necessary to observe, understand and nurture our own natural instinctive spontaneous movements, both that of our own and those of others. To do so, we use Seitai practice: Katsugen Undo and Yuki, which help us understand how to learn from the characteristics of our natural instinctive spontaneous perception, expression and movement, in an experimental, personal and trusting way.

With the discovery of the Osei Scheme, we can observe the natural instinctive spontaneous movements of life which are psychological, biological and biochemical and approach it theoretically. Through logical thinking and hand in hand with current scientific knowledge, the Osei Scheme allows us to observe this logic and the coherence of the observation itself, and thus, treats the issue from an educational point of view.