Re: Practicing Ki is dangerous?!
Yes, Graham, Buddhism came from Nepal-India, but it traveled through the filters of China, to Japan. That's why I used "intro." Furthermore, the foundation and roots of internal body methods now practiced in the Far East may also have been derived from practices in the Near East, but again... through the filter of China they went to Japan. We're talking a couple of thousands of years for ideas to evolve and be adapted into other cultures.
My point, though, is that the methods that drive IP and aiki did not, themselves originate in Japan. They came to Japan from elsewhere. China's huge influence over Japan, and its own various arts and disciplines, points to it as the source. Where China original got its inspirations for various things, is another topic.
The most recent incarnation of what we would