dengan juho waza shorinji kempo Chin Na or Qinna (擒拿, pinyin : q&iacute;n n&aacute;; Wade-Giles : ch'in[sup]2[/sup] na[sup]2[/sup]; Cantonese : k&agrave;hm n&agrave;h ) is a Chinese term describing techniques used in the Chinese martial arts that control or lock an opponent's joints or muscles/tendons so he cannot move, thus neutralizing the