Daitō-ryū Aiki-jūjutsu
Japanese martial art

Daitō-ryū Aiki-jūjutsu (大東流 合気柔術), originally called Daitō-ryū Jujutsu (大東流柔術, Daitō-ryū Jūjutsu), is a Japanese martial art that first became widely known in the early 20th century under the headmastership of Takeda Sōkaku. Takeda had extensive training in several martial arts (including Kashima Shinden Jikishinkage-ryū and supposedly Sumo) and referred to the style he taught as "Daitō-ryū" (literally, "Great Eastern School"). Although the school's traditions claim to extend back centuries in Japanese history there are no known extant records regarding the ryū before Takeda. Whether Takeda is regarded as either the restorer or the founder of the art, the known history of Daitō-ryū begins with him. Takeda's best-known student was Morihei Ueshiba, the founder of Aikido.
History
Daitō-ryū (also known as simply Aiki-jūjutsu) is mostly considered to be a fighting style created by the Seiwa Minamoto clan, and handed down from generation to generation. It was Shinra Saburo Minamoto Yoshimitsu the one who compiled all its teachings around the 11th century. Shinra Saburō Minamoto no Yoshimitsu (新羅 三郎 源 義光, 1045–1127) was a Minamoto clan samurai and member of the Seiwa Genji (the branch of the Minamoto family descended from the 56th imperial ruler of Japan, Emperor Seiwa). Yoshimitsu studied and researched the techniques handed down in his family in more detail. It is also believed that Yoshimitsu dissected the corpses of men killed in battle, studying their anatomy for the purpose of learning techniques for joint-locking and atemi-waza (nerve striking).
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