Personal KinetiGraph® Clinical Validation Study

Inclusion Criteria:

• Able and willing to sign a written informed consent for study participation

• Existing diagnosis of a movement disorder or a healthy control subject withoutdiagnosis of a movement disorder

Exclusion Criteria:

• Bedridden, wheelchair confined, or requires the regular use of an assistive gaitdevice (e.g., walker, cane, etc.)

• Occupation that involves repetitive movement or complete immobility (e.g., janitor,construction, or sedentary with no/limited arm movements such as a taxi driver)

• In the investigator's or sponsor's opinion, subject has any unstable or clinicallysignificant condition that would impair the participant's ability to complete therequired PKG watch wear (e.g., subject unable to complete PKG wear instructions perPatient Instruction Manual), complete required assessments or interfere with datacollection.