中段追い突き
Chūdan oi zuki
Middle level lunge punch

Also known as chūdan jun zuki 中段順突き (middle level lunge punch).

 

Ōishi Takeshi
Shōtōkan

 

空手道技を極める
Karatedō: Master the Technique

 

Kyokushinkai

Ōyama Masutatsu, This Is Karate