手刀打ち聖武館基本練習
Shutō uchi (Seibukan kihon renshū)
Sword-hand strike (Seibukan basic training)

 

                    Shutō uchi yōi

The strike arcs downward, finishing with the arm almost straight

 

Shutō uchi is one of the kihon renshū of Shōrin ryū Seibukan. Yōi is in naifanchi dachi ナイファンチ立ち.

Shimabukuro Zenshun 島袋善俊

Zenpō Shimabukuro and Dan Smith, Shorin ryū Seibukan: Kyan's Karate