Cycling in Parkinson's Disease

Exclusion Criteria

• •MOCA: (Montreal Cognition Scale) : rating of less than 24, indicative of cognitive dysfunction
• •Changes in Parkinson's medications within the two weeks prior to starting the study
• •Anticipated change in Parkinson Disease medications during the course of the study
• •Uncontrolled orthostasis
• •Symptomatic coronary artery disease
• •Fracture of lower limb within 6 months prior to study onset or significant lower limb orthopedic diagnosis that would limit cycling
• •Other significant neurologic diagnoses including multiple sclerosis or vestibular disease
• •Acute illness
• •Physical therapy within the month prior to study entry
• •Subjects already participating in a forced exercise or high intensity exercise program
• •Any medical condition that the physician investigator determined would compromise safety.