Inclusion Criteria:  Clinical diagnosis of Parkinson's; Not having cardiorespiratory diseases; Not being a smoker; Do not use alcoholic beverages; No cognitive deficit; No osteoarticular deformities, plantar ulcers, total or partial amputation of the feet; They do not need auxiliary devices for walking  Exclusion Criteria:  Data from individuals with a series of heart rate intervals with less than 95% of sinus beats will be excluded from the study.