Rotator Cuff Syndrome: Personal, Work-Related Psychosocial and Physical Load Factors

Objective: To identify factors associated with rotator cuff syndrome (RCS) among active workers. Methods: Seven hundred thirty-three workers in 12 worksites participated in a cross-sectional study with individual structured physical and psychosocial health interviews, physical examinations, and expo...

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Bibliographic Details
Published in:Journal of occupational and environmental medicine 2008-09, Vol.50 (9), p.1062-1076
Main Authors: Silverstein, Barbara A., Bao, Stephen S., Fan, Z. Joyce, Howard, Ninica, Smith, Caroline, Spielholz, Peregrin, Bonauto, David, Viikari-Juntura, Eira
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
Confidence Intervals
Cross-Sectional Studies
Diseases of the osteoarticular system
Female
Health psychology
Humans
Interviews as Topic
Male
Medical sciences
Middle Aged
Miscellaneous. Osteoarticular involvement in other diseases
Occupational accidents
Occupational Exposure - adverse effects
Odds Ratio
ORIGINAL ARTICLES
Psychology
Risk Factors
Rotator Cuff - physiopathology
Rotator Cuff Injuries
Shoulder
Shoulder Pain - epidemiology
Shoulder Pain - etiology
Studies
Washington - epidemiology
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Summary:Objective: To identify factors associated with rotator cuff syndrome (RCS) among active workers. Methods: Seven hundred thirty-three workers in 12 worksites participated in a cross-sectional study with individual structured physical and psychosocial health interviews, physical examinations, and exposure assessments of biomechanical factors. Work organization, including job content or structural constraints, was assessed at the departmental level. Multivariable logistic modeling was used. Results: Fifty-five subjects (7.5%) had RCS. Cases were more likely to report low job security (P < 0.04) and to have very high job structural constraints (P < 0.03). Age and body mass index were marginally significant. Upper arm flexion ≥ 45° ≥ 15% of time and either duty cycle of forceful exertions ≥ 9 % time (odds ratio = 2.43, 95% CI= 1.04 to 5.68) or forceful pinch > 0% [odds ratio = 2.66, 95% CI = 1.26 to 5.59] were significant risk factors. Conclusions: Long duration of shoulder flexion and forceful exertion (especially pinch) in a job are significant risk factors for RCS. Work organization may impact physical and psychosocial exposures and should be furthe explored.
ISSN:1076-2752
1536-5948
DOI:10.1097/JOM.0b013e31817e7bdd