Also, backed by practitioners who were dissatisfied with the JKF's so-called 'sundome (kime)' match rules, there emerged organizations and circles that advocated full-contact karate--as represented by the Kyokushin Kaikan founded by Masutatsu OYAMA--which was characterized by a direct-attack style (attacks to the face were prohibited), and these organizations came to have power in the karate realm.
また、全空連の試合規則、いわゆる「寸止め（極め）」ルールに対する不満などから、大山倍達の極真会館に代表されるような、フルコンタクト空手という、直接打撃制スタイル（顔面攻撃を除く）を採用する流派もあらわれ、一大勢力を形成するようになった。