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J Occup Environ Med. 2008 Sep;50(9):1062-76. doi: 10.1097/JOM.0b013e31817e7bdd.

Rotator cuff syndrome: personal, work-related psychosocial and physical load factors.

Author information

1
Safety and Health Assessment and Research for Prevention, Washington State Department of Labor and Industries, Olympia, WA 98504-4330, USA. silb235@lni.wa.gov

Abstract

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 >or= 45 degrees >or= 15% of time and either duty cycle of forceful exertions >or=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 further explored.

PMID:
18784555
DOI:
10.1097/JOM.0b013e31817e7bdd
[Indexed for MEDLINE]

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