ChiRunning

running is blamed for all the knee problems when in actuality it's not running that is causing the injuries, it's the way people run

ChiRunning
Right,the technique of running is important to avoid injury...
But on the other hand: I do'nt think humans were evolved to do the Marathon, remember the first one who did this run just dropped dead at the end.
And of course, there are many contradictory advises on how to run.