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Re: Re: Re: Are pitchers "rotational", "linear", or both?


Posted by: coach13 (halour@netscape.net) on Sun Feb 18 12:40:38 2007


> > Hi Jimmy according to the latest research 80% of the velocity achieved by the most
> mechanically sound Major League Pitchers is generated by the rotational forces of the body.
> > coach13
>
> Coach,
>
> Would you agree that there are some linear qualities to a pitchers delivery? And is it
> considered a good thing if the pitchers front side (shoulder) flies open?
>
> Jimmy

Hi Jimmy

20% of ball velocity is generated by directional movement when, 1.Total body tracks head and spine on a line in the exact direction created by shifting weight from posting foot to landing foot. 2.low back/spine hyperextend to keep torso upright and stacked as shoulders square up and track into a flexed and firm front leg. 3.Glove swivels and stabilizes over front foot as throwing arm lays back in external rotation.
It is not mechanically sound for a pitchers shoulders to rotate prior to this sequence. Similar to hitting the throwing arm should not move prior to shoulder rotation.


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