Study Purpose: This study is to create a tool for doctors and researchers to measure how severe a condition called Freezing of Gait (FOG) is in people with Parkinson’s disease (PD).

Eligibility:

• You must have Parkinson's disease diagnosed by a neurologist.
• You need to walk 10 meters without help.
• You should not have a Deep Brain Stimulator.
• Your Parkinson's treatment must have been stable for 4 weeks before joining.
• If you have FOG, you need to score ≥ 1 on a specific questionnaire.

Exclusions: You cannot join if you had serious heart issues, strokes, or cancer treatment in the last 3 months, or if you have major psychiatric disorders or uncontrolled heart disease. Pregnant individuals are also excluded.

• This study will involve assessments to measure your gait and symptoms.
• Participants must be willing to adjust their morning medication temporarily.
• There may be risks related to delaying Parkinson's medication.