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linear vs rotational controversy


Posted by: () on Wed Dec 24 16:59:39 2003


>>> Therefore, Arod has a linear upper half. His arms move his hands from A
> to B. <<<
> > >
> > > Hi Lamber
> > >
> > > This would still be a good time for you to answer a question I asked earlier
> that you failed to respond to. – “Can you explain how a linear force (A to B)
> applied to a bat will induce angular displacement?”
> > >
> > > Jack Mankin
>
> I don't think supination works to applt THT,it tends to drop the bathead and
> prevent the bat from swinging in plane.It is insted the external rotation of the
> back arm(humerus/upper arm,not twisting of forearm) that is mostly
> responsible.Prior to this,the back arm needs to be in position to externally
> rotate by internally rotating with hip cock and staying internsally rotated as the
> back scap pinches.Then THT can happen via external rotation while the back
> scap stays pinched/loaded.This accelerates the bathead into plane,creates
> reisitance that permits ongoing loading/coiling/keeping thehands back,and
> does not push or disconnect the handpath.
> > >
> >
> > What's up? I just answered this question.

What does a linear movement of the hands toward the pitcher accomplish or help?


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