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A comparison of approaches in establishing manual handling limits in restricted working postures.

Authors
Gallagher-S; Hamrick-CA
Source
Advances in Industrial Ergonomics and Safety III. Karwowski W, Yates JW, Mital A, eds. New York: Taylor and Francis, 1991 May; 3:285-292
Link
NIOSHTIC No.
10010879
Abstract
Various industries require workers to handle loads in restricted postures. As a result, researchers have attempted to establish acceptable loads in restricted postures using various ergonomic techniques. Two common approaches have been (1) to use intraabdominal pressure (IAP) to set manual handling limits and (2) to use the psychophysical technique to establish acceptable loads. IAP studies suggest greatly decreased lifting capacity when stooping compared to kneeling. However, psychophysical studies indicate that acceptable loads are much lower in the kneeling posture than when stooping. This U.S. Bureau of Mines paper examines the results of IAP and psychophysical experiments and discusses benefits and drawbacks of these approaches in the design of stooping and kneeling tasks.
Keywords
Musculoskeletal-system-disorders; Biomechanics; Ergonomics; Mathematical-models; Manual-lifting; Physical-stress; Skeletal-stress; Injuries; Injury-prevention; Repetitive-work; Workplace-studies; Muscle-tension; Musculoskeletal-system
Publication Date
19910501
Document Type
Conference/Symposia Proceedings
Editors
Karwowski-W; Yates-JW; Mital-A
Fiscal Year
1991
NTIS Accession No.
NTIS Price
ISBN No.
9780748400065
Identifying No.
OP-176-91
NIOSH Division
PRC
Source Name
Advances in Industrial Ergonomics and Safety III. Proceedings of the Annual International Industrial Ergonomics and Safety Conference held in Lake Tahoe, Nevada, 10-14 June 1991. The Official Conference of the International Foundation for Industrial Ergonomics and Safety Research
State
PA; NV
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