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Uploaded on Mar 20, 2010
http://spartanstrength.co.uk/ The series on solving knee problems continues with Kelly Starrett telling participants at a one day seminar at CrossFit Santa Cruz on March 14, 2009 that the first time an athlete engages the hamstring when squatting is an a-ha! moment and lights go off for them. Starrett is the owner of San Francisco CrossFit and a Doctor of Physical Therapy. Find me https://www.facebook.com/wearespartan...