Reliability of impairment and physical performance measures for persons with Parkinson's disease.

Abstract:

BACKGROUND AND PURPOSE:Parkinson's disease (PD) is characterized by rigidity, postural instability, bradykinesia, and tremor, as well as other musculoskeletal impairments and functional limitations. The purpose of this investigation was to determine the reliability and stability of measures of impairments and physical performance for people in the early and middle stages of PD, Subjects. Thirteen men and 2 women in Hoehn and Yahr stages 2 and 3 of PD participated. Their mean age was 74.5 years (SD = 5.7, range = 64-84). METHODS:Thirteen impairment-level variables and 8 physical performance variables were measured. Measurements were taken on two consecutive days and again a week later on the corresponding two consecutive days. Reliability and stability were assessed using analysis of variance and intraclass correlation coefficients (ICCs). RESULTS:Test-retest reliability (ICCs) of variables ranged from .69 (hamstring muscle length) to .97 (lumbar flexion). Intraclass correlation coefficients were .85 or greater for 10 of the variables. CONCLUSIONS AND DISCUSSION:The results suggest that in the early and middle stages of PD, many of the measures of impairment and physical performance are relatively stable.

journal_name

Phys Ther

journal_title

Physical therapy

authors

Schenkman M,Cutson TM,Kuchibhatla M,Chandler J,Pieper C

doi

10.1093/ptj/77.1.19

subject

Has Abstract

pub_date

1997-01-01 00:00:00

pages

19-27

issue

1

eissn

0031-9023

issn

1538-6724

journal_volume

77

pub_type

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