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Re: Re: Re: Re: Re: Jack and the Science of Hitting


Posted by: Graylon (g_dunc@hotmail.com) on Mon Jul 28 21:22:45 2008


> >>> Many lefties will over rotate because of these facts. And just to prove the same old story it's their backside that swings over the plate, why?, because you rotate around the front hip joint. <<<
>
> Hi All
>
> I must disagree with both of Shawns above statements. The same old stories you hear about the body swinging like a gate are not supported with video analysis. A frame-by-frame analysis of their swings shows that their axis of rotation is not the front-hip. They rotate about the center of their body – the spine.
>
> I will place below a post I wrote on this topic along with a video clip to support it. Once you have studied our opposing positions, your can draw your own conclusions.
>
> <a href="http://www.batspeed.com/messageboard/121273.html">What generates hip rotation</a –
>
>
> Jack Mankin


Jack,

I agree that rotation is not around the front hip, but I am not in agreement that rotation is around the spine.

In reading your post I believe you stated that the forward push is not turned into rotational energy.

Can there not be forward momentum with out weight shift until "go"? Can't the weight shift put the front foot down, so your weight will remain over your rear hip? So the axis of rotation is not really an axis but a joint the rear hip to be more specific.

I ask because IMO the body produces forward momentum without the weight shifting until you push off of the back leg. The back leg and hands sync together, similar to throwing. The weight shift is blocked by the front leg.

I may be rambling a bit, again hard to explain in written words.

Graylon


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