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Analytical Methods for Quantifying Posture, Repetition and Force.

Authors
Radwin-RG
Source
International Conference on Occupational Disorders of the Upper Extremities, San Francisco 1994 Dec:7-11
Link
NIOSHTIC No.
00237680
Abstract
The development of automated analysis techniques for investigating postural stress, repetitiveness and forcefulness was considered. These analytical methods should be able to quantify the degree of repetitiveness, forcefulness, and postural stress and at the same time reduce these large quantities of data into a form which is usable by the researchers and practitioners. In synchronization with video images of the worker performing an operation, analog signals from sensors attached to the upper extremities can be digitized, coded, and recorded on tape. Interactive multimedia computer technology reduces the data and extracts biomechanical data associated with repetitive tasks for specific work elements using a computer controlled video cassette recorder. The computer then automatically extracts the kinematic data segments corresponding to the specific elements for signal processing and analysis. The use of spectral analysis for characterizing repetitive motion and postural stress was also reviewed, along with the usefulness of frequency weighted filters to assess biomechanical stress in repetitive work.
Keywords
NIOSH-Grant; Musculoskeletal-system-disorders; Repetitive-work; Task-performance; Physical-stress; Posture; Ergonomics; Human-factors-engineering;
Contact
Industrial Engineering Univ of Wisconsin-Madison 1513 University Ave Madison, WI 53706
Publication Date
19941201
Document Type
Conference/Symposia Proceedings;
Funding Amount
160578.00
Funding Type
Grant;
Fiscal Year
1995
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-K01-OH-00107
Priority Area
Musculoskeletal-system-disorders
Source Name
International Conference on Occupational Disorders of the Upper Extremities, San Francisco
State
WI;
Performing Organization
University of Wisconsin Madison, Madison, Wisconsin
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