In this video presented by Aikido Samsungdang, we explain four fundamental Aikido jo kata—Roku no Jo, Hachi no Jo, Ju-san no Jo, and Sanju-ichi no Jo—along with the use of the lower body in jo practice. Ju-san no Jo and Sanju-ichi no Jo are kata organized by the late Morihiro Saito Sensei based on the jo techniques of O-Sensei Morihei Ueshiba. One of their defining features is that each movement corresponds clearly to a specific count. Roku no Jo consists of movements 12 thro