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Occupational risk factors. Cumulative trauma disorders of the hand and wrist.

Authors
Armstrong-TJ; Fine-LJ; Silverstein-BA
Source
University of Michigan, Ann Arbor, Michigan 1985 Dec; :1-207
Link
NIOSHTIC No.
00165836
Abstract
Possible associations were sought between cumulative trauma disorders and jobs which require highly repetitive or highly forceful hand and wrist motions, irrespective of other factors. Efforts were made to develop field instruments to identify occupationally related upper extremity cumulative trauma disorders (CTDs) in active workers; to estimate the prevalence of upper extremity CTDs among workers in jobs needing force and repetitiveness; to estimate individual and multiplicative contributions of occupational and nonoccupational factors which may be associated with these disorders; and to test the null hypothesis of no association between the prevalence of CTDs among workers with different force and repetitive work requirements. The overall prevalence of upper extremity CTDs estimated in this study was high, 31 percent on interview and 18 percent on physical examination and interview. The prevalence of hand wrist disorders was 20 percent on interview and 10 percent on physical exam and interview. Hand wrist CTD prevalence was not uniform across all exposure categories. Hand wrist CTDs were strongly associated with high force/high repetitive work and to a lesser extent with high repetitiveness or high force alone. According to the authors, irrespective of the type of industry or product, jobs with similar force and repetitiveness attributes would have similar risks for CTD. The findings suggest that primary prevention can be accomplished through job modification and reductions in force, and repetitive and postural stresses.
Keywords
NIOSH-Contract; Contract-200-82-2507; Stress; Physiological-stress; Physiology; Physical-stress; Musculoskeletal-system-disorders; Carpal-tunnel-syndrome; Cumulative-trauma-disorders
Publication Date
19851211
Document Type
Final Contract Report
Funding Type
Contract
Fiscal Year
1986
NTIS Accession No.
PB87-164380
NTIS Price
A11
Identifying No.
Contract-200-82-2507
Priority Area
Musculoskeletal Disorders of the Upper Extremities; Disease and Injury; Musculoskeletal-system-disorders
Source Name
University of Michigan, Ann Arbor, Michigan, Contract 200-82-2507
State
MI
Performing Organization
The University of Michigan, Ann Arbor, Michigan
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