Descriptions of the Aiki-taiso from Rod Kobayashi-Sensei:
7. Zengo Undo
Stand with your left foot forward and your hands at your sides. On the "One" count, slide forward as you swing your arms forward and up from your fingertips. On the "Two" count, let your arms drop to your sides leading from your fingertips. Pivot 180 degrees to your right without shifting your weight back. Repeat the same movements with your right foot forward.
Repeat this exercise several times without losing your balace.
This exercise will help you develop control over yourself while changing directions. You will learn to switch your mind from one problem to another without losing control of the situation.