Judo

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Judo (柔道 jūdō, meaning "gentle way") was created as a physical, mental and moral pedagogy in Japan, in 1882, by Jigoro Kano (嘉納治五郎). It is generally categorized as a modern martial art which later evolved into a combat and Olympic sport. Its most prominent feature is its competitive element, where the objective is to either throw or takedown an opponent to the ground, immobilize or otherwise subdue an opponent with a pin, or force an opponent to submit with a joint lock or a choke. Strikes and thrusts by hands and feet as well as weapons defenses are a part of judo, but only in pre-arranged forms (kata, 形) and are not allowed in judo competition or free practice (randori, 乱取り). A judo practitioner is called a judoka. The philosophy and subsequent pedagogy developed for judo became the model for other modern Japanese martial arts that developed from koryū(古流, traditional schools).

Kosen judo (高專柔道 Kōsen jūdō) is a variation of the Kodokan judo competitive ruleset that was developed and flourished at the kōtō senmon gakkō (高等専門学校) (kōsen (高專)) technical colleges in Japan in the first half of the twentieth century. Kosen judo's rules allow for greater emphasis of ne-waza (寝技, ground techniques) than typically takes place in competitive judo and it is sometimes regarded as a distinct style of judo.[1] Today, the term "kosen judo" is frequently used to refer to the competition ruleset associated with it that allows for extended ne-waza. Such competition rules are still used in the Nanatei Jūdō / Shichitei Jūdō (七帝柔道 Seven Imperials Judo) competitions held annually between the seven former Imperial universities. Similarly, there has been a resurgence in interest in Kosen judo in recent years due to its similarities with Brazilian jiu jitsu.[2]

1. Hand Techniques (Te Waza)
2. Hip Techniques (Koshi Waza)
3. Foot Techniques (Ashi Waza)

1. Back Sacrifice Techniques (Ma Sutemi Waza)
2. Side Sacrifice Techniques (Yoko Sutemi Waza)

1. Holding Techniques (Osae Komi Waza)
2. Choking Techniques (Shime Waza)
3. Joint Locking Techniques (Kansetsu Waza)