If you have or are experiencing hip or knee problems you may find chi running of interest. The techique was first proposed by Danny Dreyer. Tony Gill is trying out chi running because of knee and hip pains during 2009 and so far these problems have not returned. The following videos introduce the basics:
For more videos visit http://www.youtube.com/user/chilivinginc To support your efforts to find out more on chi running, Tony Gill has listed some suggestions for running and walking at amazon.
Lots of excellent advice on all aspects of running at :