Eric,
You wrote:
>To answer your question: the magnitude of force or body weight is not
>changed, but the point of application of that force is changed. When the
>point of application of the force is changed the moment arm (R) that force
>has about an axis is changed. So R changes even though the position of the
>calcaneus does not. The concept of center of pressure may be helpful in
>understanding this...........After standing on a varus wedge, the position
>of the force is
>different even though the position of the foot did not change.
Eric, I thought I had this concept, until you talked about the varus wedge.
How is the position of the force different on a varus wedge?
Regards,
Stanley
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