I recently came across this blog by Kelly Starrett who created San Francisco CrossFit in 2005 and now have his own Mobility and Recovery Certification that CrossFit offers.  The man is a guru in the world of stretching and staying healthy.  The blog is him going over different ailments and problems people look past or

Fight Gone Bad began as a fundraising event in 2006. From those humble beginnings and with the support of the CrossFit community, we’ve proven what a small, totally committed group of people can accomplish. The first four editions of Fight Gone Bad have raised a combined total of more than $2 million. Fight Gone Bad