Document Detail

Exercise for people in early- or mid-stage Parkinson disease: a 16-month randomized controlled trial.
MedLine Citation:
PMID:  22822237     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Exercise confers short-term benefits for individuals with Parkinson disease (PD).
OBJECTIVE: The purpose of the study was to compare short- and long-term responses among 2 supervised exercise programs and a home-based control exercise program.
DESIGN: The 16-month randomized controlled exercise intervention investigated 3 exercise approaches: flexibility/balance/function exercise (FBF), supervised aerobic exercise (AE), and home-based exercise (control).
SETTING: This study was conducted in outpatient clinics.
PATIENTS: The participants were 121 individuals with PD (Hoehn & Yahr stages 1-3).
INTERVENTIONS: The FBF program (individualized spinal and extremity flexibility exercises followed by group balance/functional training) was supervised by a physical therapist. The AE program (using a treadmill, bike, or elliptical trainer) was supervised by an exercise trainer. Supervision was provided 3 days per week for 4 months, and then monthly (16 months total). The control group participants exercised at home using the National Parkinson Foundation Fitness Counts program, with 1 supervised, clinic-based group session per month.
MEASUREMENTS: Outcomes, obtained by blinded assessors, were determined at 4, 10, and 16 months. The primary outcome measures were overall physical function (Continuous Scale-Physical Functional Performance [CS-PFP]), balance (Functional Reach Test [FRT]), and walking economy (oxygen uptake [mL/kg/min]). Secondary outcome measures were symptom severity (Unified Parkinson's Disease Rating Scale [UPDRS] activities of daily living [ADL] and motor subscales) and quality of life (39-item Parkinson's Disease Quality of Life Scale [PDQ-39]).
RESULTS: Of the 121 participants, 86.8%, 82.6%, and 79.3% completed 4, 10, and 16 months, respectively, of the intervention. At 4 months, improvement in CS-PFP scores was greater in the FBF group than in the control group (mean difference=4.3, 95% confidence interval [CI]=1.2 to 7.3) and the AE group (mean difference=3.1, 95% CI=0.0 to 6.2). Balance was not different among groups at any time point. Walking economy improved in the AE group compared with the FBF group at 4 months (mean difference=-1.2, 95% CI=-1.9 to -0.5), 10 months (mean difference=-1.2, 95% CI=-1.9 to -0.5), and 16 months (mean difference=-1.7, 95% CI=-2.5 to -1.0). The only secondary outcome that showed significant differences was UPDRS ADL subscale scores: the FBF group performed better than the control group at 4 months (mean difference=-1.47, 95% CI=-2.79 to -0.15) and 16 months (mean difference=-1.95, 95% CI=-3.84 to -0.08).
LIMITATIONS: Absence of a non-exercise control group was a limitation of the study.
CONCLUSIONS: Findings demonstrated overall functional benefits at 4 months in the FBF group and improved walking economy (up to 16 months) in the AE group.
Margaret Schenkman; Deborah A Hall; Anna E Barón; Robert S Schwartz; Pamela Mettler; Wendy M Kohrt
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2012-07-19
Journal Detail:
Title:  Physical therapy     Volume:  92     ISSN:  1538-6724     ISO Abbreviation:  Phys Ther     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-05     Completed Date:  2013-01-09     Revised Date:  2013-07-12    
Medline Journal Info:
Nlm Unique ID:  0022623     Medline TA:  Phys Ther     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1395-410     Citation Subset:  AIM; IM    
Physical Therapy Program, Department of Physical Medicine and Rehabilitation, School of Medicine, University of Colorado Anschutz Medical Campus, Mailstop C-244, 13121 E 17th Ave, ED II South, Room L28-3106, Aurora, CO 80045, USA.
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MeSH Terms
Activities of Daily Living*
Disability Evaluation
Exercise Therapy / methods*
Parkinson Disease / physiopathology,  rehabilitation*
Physical Therapy Modalities
Postural Balance
Quality of Life*
Severity of Illness Index
Treatment Outcome
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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