yes - before i was dx with PD, i had problems walking and my left foot didn't lift - after ruling out pressure on the nerve from a disk with an MRI, they did this test - actually two different docs did it - one thinking i had ALS and the other thinking maybe some other thing (he never did buy the pd dx)- it was abnormal but wasn't bad enough to be ALS, thank gioodness, so I was sent over to the Parkinson's guy who watched me walk to the end of the hall, pronounced his dx, handed me a booklet, told me to be grateful it wasn't something worse, and left. that was 4 years ago. i had had noticeable symptoms for a year, i think/

sorry about the typing - tryed to ride a bike and broke my arm - anyone have any ecperience with a tricycle///////?