Tai no sen
Tai no sen involves jutai-type practice: union with the dynamics of the opponent's movement, conforming to the flow of his energy (ki no nagare).
Tai no sen involves jutai-type practice: union with the dynamics of the opponent's movement, conforming to the flow of his energy (ki no nagare).
It is not the irimi time that causes uke to loose balance, it is the tenkan time. This second time is therefore absolutely essential, as without it a step is missing.
Rotation is the energy of Aikido movement, and this energy always develops in two opposite directions.
The relationship between these two techniques is much more than a vague kinship, it's a true identity.
The first thing to acquire in Aikido, before mobility, is stability of the hips. It is only after the hips have been stabilised by the study of kotai that the study of ki no nagare can begin.
If you don't understand the suburi you can't understand the kumitachi, if you don't understand the kumitachi you can't understand Aikido.