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Quantification of wrist motion and cumulative trauma disorders in industry.

Authors
Schoenmarklin-RW; Marras-WS
Source
Proceedings of the Human Factors Society 35th Annual Meeting, September 2-6, 1991, San Francisco, California. Santa Monica, CA: Human Factors and Ergonomics Society, 1991 Sep; 35(11):838-842
NIOSHTIC No.
00206471
Abstract
A quantitative study of the relationship between different wrist movements and the incidence of cumulative trauma disorders (CTDs) was presented. Forty workers from eight manufacturing facilities were classified as being at high or low risk for CTDs based on OSHA logs and medical records. The relationship between wrist motions and incidence of CTDs in these industry was quantitatively evaluated. Wrist motions were monitored using a potentiometer attached to the wrist, and pronation/supination motion monitored with a device on the forearm. Measurements of velocity and acceleration were able to more accurately predict CTD risk than positional measurements. The mean values in the high risk group were significantly greater than those in the low risk group in almost all of the velocity and acceleration dependent measures. The authors conclude that velocity and acceleration were able to distinguish CTD risk more effectively than positional variables.
Keywords
NIOSH-Grant; Musculoskeletal-system-disorders; Risk-factors; Cumulative-trauma-disorders; Carpal-tunnel-syndrome; Hand-injuries; Occupational-diseases; Repetitive-work; Industrial-factory-workers
Contact
Industrial and Systems Engr Ohio State University 1971 Neil Avenue Columbus, Ohio 43210
CODEN
PHFSDQ
Publication Date
19910901
Document Type
Conference/Symposia Proceedings
Funding Amount
69216
Funding Type
Grant
Fiscal Year
1991
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-02621
Issue of Publication
11
ISSN
0163-5182
Priority Area
Musculoskeletal-system-disorders
Source Name
Proceedings of the Human Factors Society 35th Annual Meeting, September 2-6, 1991, San Francisco, California
State
CA; OH
Performing Organization
Ohio State University, Columbus, Ohio
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