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December/January 2008/2009 (vol. 05/4)
Occupational shoulder pain
In a study population of 733 employees in manufacturing and healthcare jobs, 19% had dominant-side shoulder symptoms and 7.5% had rotator cuff syndrome (RCS). RCS cases were significantly more likely to report low job security and high job structural constraints. Significant physical risk factors were upper arm flexion above 45º for more than 15% of work time and forceful exertion, particularly pinch grip. Age and body mass index were not significant factors (though slight trends were observed).
Occupational Health at Work December/January 2008/2009 (vol. 05/4) pp40