My dictionary has this as part of the definition for "worrying":

[ intrans. ] ( worry at) pull at or fiddle with repeatedly : he began
to worry at the knot in the cord.

That could have something to do with it. :)

On Tue, Aug 4, 2009 at 9:23 PM, ritchguy250<ritchguy250@...> wrote:
>
>
> Doh!!! The confusion here is all mine. Rats! I forgot that not everyone on
> this forum gets the SI Journal (formerly Rolflines). No need to go
> searching, I'll sum up here. Dr. Rolf used to work behind ankles (and
> elsewhere) with her fingernails in ways that looked to the uninitiated like
> scratching. If you did not know what she was doing and tried to imitate her,
> pretty much you were just scratching. But, she said, she was sorting out
> tendons, ligaments and layers. She called it "worrying" the tissues. I get
> the idea but I'm intrigued with the term she used: "worrying". Now, to my
> question: Why the heck did she call it that? Sorry for the confusion and I
> hope I properly represented this.
> Ritchie Mintz
> Austin