@kinglue
Here is some information about physical therapy for PD from the Parkinson's Foundation website: https://www.parkinson.org/library/fact-sheets/physical-therapy

Here is another article from the American Parkinson's Disease Association about the value of physical therapy/exercise: https://www.apdaparkinson.org/living-with-parkinsons-disease/physical-therapy/

Here is a link to a video about LSVT exercise