Xing Yi Quan - Wikipedia
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Xing Yi Quan is classified as one of the internal styles of Chinese martial arts.[2] The name of the art translates approximately to "Form-Intention Fist", or "Shape-Will Fist".[3]
Xing Yi is characterized by aggressive, seemingly linear movements and explosive power that's most often applied from a short range. A practitioner of Xing Yi uses coordinated movements to generate bursts of power intended to overwhelm the opponent, simultaneously attacking and defending. Methods vary from school to school, but always include bare-handed fighting training (mostly in single movements/combinations and sometimes in forms) and the training of weapons usage with similar or identical body mechanics to that used for bare-handed intense fighting. The most basic notions of movement and body mechanics in the art were heavily influenced by the practice of staves and spears. Historically and technically related martial arts include Dai Xin Yi Liu He Quan, Liu He Xin Yi Quan and Yi Quan.