Re: Re: &quot;weight back&quot;

Posted by: ray porco () on Sun Aug 21 19:35:18 2005

> >>> what does it mean?
>
> yes, i know most of us have our own personal interpretation of what it means, including myself, but i would be interested in the other interpretations out there...
>
> specifically i am interested in how much weight on which foot at what point in time, and the reasoning for this particular weight distribution.....for example, some coaches advise 60 % back foot, 40 % front foot at launch position (and even launch position to one coach is front toe touch and to another coach is front heel plant)...and the reasoning?...some coaches reason that this creates more "wight transfer" from "back to front"..i have questions/issues with this notion alone...
>
> imput greatly appreciated... <<<
>
> Hi Grc
>
> Good questions. I also would find it helpful to have a clear definition of “weight shift.” If the batter takes a short stride but the center of his body mass remains stationary (zero forward velocity) through rotation, was there a forward weight transfer? Since momentum is the product of mass with velocity, there would be no momentum to transfer if the velocity is zero. – Or, is “weight shift” just to indicate which leg is most responsible for supporting the body’s weight at different points of the swing?
>
> Jack Manklin

____________________________________

This is Chris Yeager’s definition:

“When the stride is complete, your CENTER OF PRESSURE SHOULD BE ON YOUR FRONT FOOT AND your CENTER OF MASS is behind your center of pressure. This is NOT a position where the “weight” is “balanced” on both feet. There is a DYNAMIC BALANCE with the great majority of pressure held on the front foot.”

A stride to transfer weight that is primarily over the rear leg, through a center balance point, and into the front leg. A distinction is made to not transfer the weight over the front leg (i.e, the whole body Center of Gravity does not transfer past the Center of Gravity of lead leg which lies distal to the hip (pelvi-femoral) joint, is located just proximal to the knee (Smith, Weiss, & Lehmkuhl, 1996, p.55).

The front leg then creates a “blocking effect” for momentum.

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