Activity-Modifying Behaviour Mediates the Relationship between Pain Severity and Activity Limitations among Adults with Emergent Knee Pain

Purpose: To determine whether activity-modifying behaviour mediates the relationship between the severity of knee pain and each of physical function and knee-related quality of life. Methods: A total of 105 participants with medial knee pain and no diagnosis of knee osteoarthritis (mean [SD] age 52.2 [6.7] y) completed two self-report questionnaires. The Questionnaire to Identify Knee Symptoms assessed activity-modifying behaviour; the Knee injury and Osteoarthritis Outcome Score assessed pain severity, physical function, and knee-related quality of life. Simple mediation analysis was performed using linear regression. Results: The unstandardized regression coefficient (±SE) for activity-modifying behaviour revealed partial mediation of the effect of pain severity on physical function (0.31±0.09, p<0.001) and on knee-related quality of life (0.24±0.07, p<0.001). After accounting for activity-modifying behaviour, the variance in physical function that was explained by pain decreased from 45% to 15%, and the variance in knee-related quality of life that was explained by pain decreased from 64% to 25%. Conclusion: Activity-modifying behaviour partially mediates the relationship between pain severity and physical function and between pain severity and knee-related quality of life. Activity-modifying behaviour may thus counteract the impact of knee pain on physical function and knee-related quality of life, which explains why it is used by people with emergent knee pain.

• Content Type Journal Article
• Category Advance Online Article
• Pages 1-8
• DOI 10.3138/ptc.2011-61
• Authors
  • Clayon B. Hamilton, Graduate Program in Health and Rehabilitation Sciences, Faculty of Health Sciences
  • Monica R. Maly, School of Physical Therapy
  • Jessica M. Clark, Graduate Program in Health and Rehabilitation Sciences, Faculty of Health Sciences
  • Mark Speechley, Department of Epidemiology and Biostatistics
  • Robert J. Petrella, Department of Family Medicine, Schulich School of Medicine and Dentistry, The University of Western Ontario, London, Ont.
  • Bert M. Chesworth, Graduate Program in Health and Rehabilitation Sciences, Faculty of Health Sciences

• Journal Physiotherapy Canada
• Online ISSN 1708-8313
• Print ISSN 0300-0508

Source: http://www.metapress.com/content/2038708r55gt8562/

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Poster 9 Loss of Femoral Neck “Waistline” in Pistol Grip Hip Deformity Predisposing to Hip Arthroplasty in the Young Population: A Case Report

Publication year: 2012
Source:PM&R, Volume 4, Issue 10, Supplement

Harjasleen Walia, John J. Michalisin, Barry C. Root

Source: http://www.sciencedirect.com/science?_ob=GatewayURL&_origin=IRSSSEARCH&_method=citationSearch&_piikey=S1934148212011069&_version=1&md5=b7b267e2985d7c75d796b82196077bc7

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Peer Reviewers and Book Reviewers for 2012

Peer Reviewers and Book Reviewers for 2012

• Content Type Journal Article
• Category Peer Reviewers and Book Reviewers
• Pages 429-429
• DOI 10.3138/ptc.64.4.429

• Journal Physiotherapy Canada
• Online ISSN 1708-8313
• Print ISSN 0300-0508
• Journal Volume Volume 64
• Journal Issue Volume 64, Number 4 / 2012

Source: http://www.metapress.com/content/97n0813510p20151/

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Exercise Performance over the Menstrual Cycle in Temperate and Hot, Humid Conditions.

Author: JANSE DE JONGE, XANNE A. K. 1; THOMPSON, MARTIN W. 2; CHUTER, VIVIENNE H. 3; SILK, LESLIE N. 1; THOM, JEANETTE M. 4

Page: 2190-2198

Source: http://ovidsp.ovid.com/ovidweb.cgi?T=JS&NEWS=N&PAGE=fulltext&LSLINK=80&D=ovft&AN=00005768-201211000-00019&SOURCE=rss.ctoc&SYNTAX=N

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Patient-centered research

Publication year: 2012
Source:Physiotherapy, Volume 98, Issue 2

Amos Peter Lee

Source: http://www.sciencedirect.com/science?_ob=GatewayURL&_origin=IRSSSEARCH&_method=citationSearch&_piikey=S0031940611004780&_version=1&md5=a948217a4e201bf9fa9383179f0da414

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Fitness, Fatness, and Metformin.

Author: Falk, Bareket PhD; Dotan, Raffy MSc

Page: 2253

Source: http://ovidsp.ovid.com/ovidweb.cgi?T=JS&NEWS=N&PAGE=fulltext&LSLINK=80&D=ovft&AN=00005768-201211000-00027&SOURCE=rss.ctoc&SYNTAX=N

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Reliability of Six Physical Performance Tests in Older People With Dementia

Background

Physical performance tests are important to assess the effect of physical activity interventions in older people with dementia, but their psychometric properties have not been systematically established within this specific population.

Objective

To determine the relative and absolute test-retest reliability of the 6-meter walk test, the figure-of-eight (FoE), the Timed-up-and-Go (TUG), the FICSIT-4, the Chair-Rise test (CRT), and the Jamar dynamometer. These tests are used to assess gait speed, dynamic balance, functional mobility, static balance, lower-limb strength, and grip strength, respectively.

Design

A prospective, nonexperimental study.

Methods

Older people with dementia (n=58; age range 70–92 years) performed each test at baseline and again after one week. Intraclass correlation (ICC), standard error of measurement (SEM), minimal detectable change (MDC) and (log transferred) limits of agreement of Bland-Altman plots were calculated.

Results

The relative reliabilities of the FoE, TUG, and Jamar dynamometer were excellent (ICC .90–.95) and good for the 6-meter walk test, FICSIT-4, and CRT (ICC .79–.86). SEMs and MDCs were large for all tests. The absolute reliability of the TUG and CRT was significantly influenced by the level of cognitive functioning (as assessed with the MMSE).

Limitations

The specific etiology of dementia was not obtained.

Conclusions

The results show that when used in older people with mild to moderate dementia the physical performance tests evaluated are useful to detect differences in performance between individuals and therefore suitable for cross-sectional or controlled intervention studies. They appear less suitable to monitor clinically relevant intra-individual performance changes. Future studies should focus on the development of more sensitive tests and the identification of criteria for clinically relevant changes in this rapidly growing population.

Source: http://ptjournal.apta.org/cgi/content/short/ptj.20110164v1?rss=1

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