Are they difference?

Anonymous	Posted: Tue Aug 04, 2009 5:30 am Post subject: Leg freezing Are there differences? Does Up/down stair or cycling cause leg freezing? Does Sitting, walking and standing cause leg freezing? Kindly elaborate
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Dr. Okun Joined: 19 Jan 2007 Posts: 251 Location: University of Florida	Posted: Tue Aug 04, 2009 8:58 pm Post subject: There is no rhyme or reason why some people freeze and some people do not? Why some people respond to cueing and some do not? Why some people's freezing responds to meds and some does not? These are million dollar questions and we need more research to unlock their answers. One potential answer is that PD is not one disease, and that there are many causes and variations....I know not very satisfying! _________________ Michael S. Okun, M.D.