I asked Glenn Fleisig: Has ASMI changed its model in the ensuing years since that one was developed for the 2002 study?
Here was his answer.
While the basic premise of "proper mechanics" has remained the same, some aspects of our concepts have evolved. I posted a summary of proper mechanics on the MLB/USA Baseball website called "Play Ball".
http://web.usabaseball.com/pla...chanics-of-pitching/
What’s written in that article is technical, but not so technical one needs a doctorate in kinesiology or be an MD to follow it.