I find its a pity that we haven't done much scientific tests on these ancient arts. I'm afraid this might be lost and we would never be able to truly understand them.
[video=youtube;JTTSXx1ks0I]http://www.youtube.com/watch?v=JTTSXx1ks0I&feature=related[/video]
[video=youtube;JTTSXx1ks0I]http://www.youtube.com/watch?v=JTTSXx1ks0I&feature=related[/video]