Not necessarily. It has been found that radically changing your running technique quickly alters where the majority of the load on your skeleton occurs, which m

Not necessarily. It has been found that radically changing your running technique quickly alters where the majority of the load on your skeleton occurs, which may lead to injury: http://sportsscientists.com/2007/10/pose-running-reduces-running-economy/ http://sportsscientists.com/2007/10/pose-running-reduces-run... The same blog has a whole series of posts on running technique, much of its opinions supported by the scientific studies: http://sportsscientists.com/running/running-physiology/running-technique/ http://sportsscientists.com/running/running-physiology/runni...