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Quantification of Wrist Motion in Highly Repetitive, Hand-Intensive Industrial Jobs.

Authors
Marras-WS; Schoenmarklin-RW
Source
Biodynamics Laboratory, Department of Industrial and Systems Engineering, Ohio State University, Columbus, Ohio 1991 Mar:136 pages
Link
NIOSHTIC No.
00199726
Abstract
A study was conducted to investigate the effects of wrist motion components on risk of hand/wrist cumulative trauma disorders (CTDs) in an industrial environment. A quantitative surveillance study was performed in industry in which workers' wrist motion was monitored on the factory floor. A total of 40 subjects from eight industrial sites participated in the study. The wrist motion parameters that were monitored on each subject were static (position), and dynamic (velocity and acceleration measures in each plane of movement radial/ulnar, flexion/extension, and pronation/supination). The major findings of the study were that wrist position parameters were limited in predicting CTD risk; that there were significant differences between CTD risk levels for all angular velocity and acceleration parameters in all three planes of wrist movement; that the best predictor of CTD risk was flexion/extension average acceleration; that the second best predictor of CTD risk was flexion/extension average velocity; and that there is a need for further research on the dynamic components of wrist motion in order to effectively use quantitative measures of wrist motion to prevent CTDs in industry.
Keywords
NIOSH-Grant; Musculoskeletal-system-disorders; Repetitive-work; Hand-injuries; Arm-injuries; Carpal-tunnel-syndrome; Muscle-stress; Cumulative-trauma-disorders;
Contact
Industrial and Systems Engr Ohio State University 1971 Neil Avenue Columbus, Ohio 43210
Publication Date
19910301
Document Type
Final Grant Report;
Funding Amount
69216.00
Funding Type
Grant;
Fiscal Year
1991
NTIS Accession No.
PB91-226191
NTIS Price
A08
Identifying No.
Grant-Number-R01-OH-02621
NIOSH Division
OEP
Priority Area
Musculoskeletal Disorders of the Upper Extremities; Disease and Injury; Musculoskeletal-system-disorders;
Source Name
Biodynamics Laboratory, Department of Industrial and Systems Engineering, Ohio State University, Columbus, Ohio
State
OH;
Performing Organization
Ohio State University, Columbus, Ohio
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