Figure 1

Study Watch and watch face showing the virtual motor examination. (a) Study Watch worn on the wrist and (b) Study Watch face showing the virtual motor examination. The virtual motor examination comprised seven structured motor tasks, which were programmed into the smartwatch and completed by patients in order from task 1 through task 7. Tasks 1 (seated rest/rest tremor), 2 (arm raise/postural tremor), 3 (hand opening/closing), 4 (arm twist/pronation/supination), and 5 (foot stomping) were completed seated. Tasks 6 (up and go) and 7 (stand still/postural stability) required the patient to stand.