noun
proper fist; straight punch
In karate, the correctly formed fist used for striking, often with the first two knuckles. Also refers to a straight punch delivered with this fist.
正拳で突くときは、手首をまっすぐに保つことが大切です。
When striking with a proper fist, it is important to keep the wrist straight.
基本稽古では正拳突きを繰り返し練習する。
In basic training, we repeatedly practice straight punches.