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American Journal of Physical Medicine & Rehabilitation:
doi: 10.1097/PHM.0b013e31828cd466
CME Article . 2013 Series . Number 5

Feasibility of a Virtual Exercise Coach to Promote Walking in Community-Dwelling Persons with Parkinson Disease

Ellis, Terry PT, PhD, NCS; Latham, Nancy K. PT, PhD; DeAngelis, Tamara R. DPT, GCS; Thomas, Cathi A. RN; Saint-Hilaire, Marie MD; Bickmore, Timothy W. PhD

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Abstract

Objective

The short-term benefits of exercise for persons with Parkinson disease (PD) are well established, but long-term adherence is limited. The aim of this study was to explore the feasibility, acceptability, and preliminary evidence of the effectiveness of a virtual exercise coach to promote daily walking in community-dwelling persons with Parkinson disease.

Design

Twenty subjects with Parkinson disease participated in this phase 1, single-group, nonrandomized clinical trial. The subjects were instructed to interact with the virtual exercise coach for 5 mins, wear a pedometer, and walk daily for 1 mo. Retention rate, satisfaction, and interaction history were assessed at 1 mo. Six-minute walk and gait speed were assessed at baseline and after the intervention.

Results

Fifty-five percent of the participants were women, and the mean age was 65.6 yrs. At the study completion, there was 100% retention rate. The subjects had a mean satisfaction score of 5.6/7 (with 7 indicating maximal satisfaction) with the virtual exercise coach. Interaction history revealed that the participants logged in for a mean (SD) of 25.4 (7) days of the recommended 30 days. The mean adherence to daily walking was 85%. Both gait speed and the 6-min walk test significantly improved (P < 0.05). No adverse events were reported.

Conclusions

Sedentary persons with Parkinson disease successfully used a computer and interacted with a virtual exercise coach. Retention, satisfaction, and adherence to daily walking were high for 1 mo, and significant improvements were seen in mobility.

Copyright © 2013 by Lippincott Williams & Wilkins

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