Jodan (karate)
Encyclopedia
Jōdan which in a martial arts context means something like 'high-level' (lit. 'high/upper degree'), is one of the three heights commonly referred to in Japanese martial arts
Japanese martial arts
Japanese martial arts refers to the enormous variety of martial arts native to Japan. At least three Japanese terms are often used interchangeably with the English phrase "Japanese martial arts": , literally meaning "martial way", , which has no perfect translation but means something like science,...

. It refers to the upper part of the body, which includes the shoulders and above.
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