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A great qigong sequence from professor Zhang Guangde: 13 movements to Stretch the body and make it more supple. Comes from the book with the same name (you can find them for example here: http://www.amazon.co.uk/Zhang-Guangde/e/B004ZFLD1Q ). It's best to read the book, it's got a lot of important details you don't see in the video. There's also a seated version of this I think.
Again, please note that the books assume you at least know some basics about Qi, Ming Men, Dan Tian, etc... but a little google research certainly helps :)