横捻り突き
Yoko hineri zuki
Side twisting punch

 

Yoko hineri zuki yōi
Naihanchi dachi
  Side view

Yoko hineri zuki is one of the exercises of Shōrin ryū Seibukan kihon renshū.

Shimabukuro Zenshun 島袋善俊

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