Hanson principle. Interesting, Had to Google it. My first thought was:
Possible origin of the Hanson Principle: http://www.discussfastpitch.com/sof...ting-fundamentals-we-can-agree.html#post21202
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Hanson principle. Interesting, Had to Google it. My first thought was:
My daughter that is 12u also runs into a lot of different opinions on warming up ect with her pitching...but always respect her coaches.