Document Detail

Test-retest reliability of psychophysical lift capacity in patients with non-specific chronic low back pain and healthy subjects.
MedLine Citation:
PMID:  17351695     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Psychophysical lift capacity tests are lifting tests in which the performance, expressed in Newtons, is divided by the perceived exertion, expressed on a Borg scale. The aim of this study was to analyse test-retest reliability of psychophysical lift capacity tests.
SUBJECTS: Patients with non-specific chronic low back pain (n=20) and healthy subjects (n=20).
METHODS: Psychophysical lift capacity tests were assessed during a back school intake at the Centre for Rehabilitation of the University Medical Centre Groningen. Patients on the waiting list and healthy subjects were assessed twice, with a 2-week interval between assessments. Intra-class correlation (ICC) was calculated as a measure of reliability. An ICC > or = 0.75 was considered as an acceptable reliability. Limits of agreement as a measure for natural variation were calculated.
RESULTS: The psychophysical static and dynamic lift capacity tests showed good reliability (ICC > or = 0.75). The limits of agreement are substantial, indicating a considerable natural variation between test-sessions for all psychophysical tests.
CONCLUSION: The psychophysical static lift capacity and dynamic lifting capacity are reliable instruments for patients with non-specific chronic low back pain and healthy subjects. However, a substantial amount of natural variation should be taken into account between 2 test sessions when interpreting the test results clinically.
Audy P Hodselmans; Pieter U Dijkstra; Cees van der Schans; Jan H B Geertzen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of rehabilitation medicine     Volume:  39     ISSN:  1650-1977     ISO Abbreviation:  J Rehabil Med     Publication Date:  2007 Mar 
Date Detail:
Created Date:  2007-03-12     Completed Date:  2007-04-02     Revised Date:  2014-05-30    
Medline Journal Info:
Nlm Unique ID:  101088169     Medline TA:  J Rehabil Med     Country:  Sweden    
Other Details:
Languages:  eng     Pagination:  133-7     Citation Subset:  IM    
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MeSH Terms
Chronic Disease
Low Back Pain / physiopathology,  psychology,  rehabilitation*
Physical Exertion / physiology
Psychomotor Performance / physiology
Psychophysics / instrumentation
Reproducibility of Results

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

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