This article describes the rules of judo. The main sections of the article describe the rules that apply to any situation in which judo is practiced, and those rules which apply only in judo competitions. Separate sections describe the history of the rules of judo, provide links to other sources of information on judo rules, and list the references for this article.
In practice and competition
Intentionally injuring an opponent is not permitted.
Punching, kicking, and other strikes are not allowed.
Touching the opponent's face is not allowed.
Attacking joints other than the elbow is not allowed.
Wearing any hard or metallic object during competition is not permitted. The penalty for violating this rule is hansoku make (see Penalties, below). This includes wedding rings, earrings, hard-plastic protective gear, hair-ties with metal parts, wristwatches, and even press-studs on underpants.
Contestants must bow before stepping onto the mat.
Contestants must bow to each other before and after practice or competition.
Inappropriate behaviour, such as foul language and bodily gestures, is not... Read More