Chen Youben (陳有本; 1780–1858) was a 14th-generation descendant and 6th-generation master of the famed Chen family and is considered to be an influential martial artist and teacher of Chen-style tai chi.
[1] He also helped prepare Chen Gengyun to have sufficient martial skills to travel with Chen Changxing’s, his father's caravan escort service.
Additionally, a tai chi evolution theory points to Chen Gengyun who learned enlarged movements and emphasized explosive power (Bao Fa Li) in order to be prepared to accompany Chen Changxing's caravan escort service.
[2] If the theory is correct, as Gengyun's teacher, Chen Youben was also the creator of the "Dajia" (Large Frame) within the modern Chen Family routines.
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