Charles T. Meyer wrote: > > Barb and others, > > If the "internal shakiness" feels like you've got to get up and walk > around then it is almost certainly akethesia which had been discuss As a latecomer to this discussion, may I point out, if the "internal" shakiness has EXACTLY the same frequency as the external tremor of PD (about 10 HZ) it's an unmistakable clue for your neuro, as that's the frequency of the muscle-brain feedback loop in PD. Cheers, Joe J. R. Bruman (818) 789-3694 3527 Cody Road Sherman Oaks, CA 91403-5013