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Physiological models and guidelines for the design of high frequency arm lifting tasks.

Authors
Jomoah-IM; Asfour-SS; Genaidy-AM
Source
Advances in Industrial Ergonomics and Safety III. Karwowski W, Yates JW, Mital A, eds. New York: Taylor and Francis, 1991 May; 3:309-315
Link
NIOSHTIC No.
20030854
Abstract
The main objective of this paper was to study the effects of frequency of lift, weight of load, and age of workers on the endurance time and the human physiological capabilities for prolonged lifting tasks performed from table to shoulder height. To achieve this objective an experiment was conducted in a laboratory of controlled temperature and humidity. Age of subjects, frequency of lift, and weight of load were the independent variables. Endurance time, heart rate, oxygen consumption, and minute ventilation were the dependent variables. Some of the main findings obtained from this study were: (1) the endurance time of a person is decreased considerably with the weight of load and/or frequency of lift; (2) the physiological fatigue limit is a function of lifting task parameters; and (3) both the weight of load and frequency of lift appeared to have equal effect on endurance time and physiological responses.
Keywords
Musculoskeletal-system-disorders; Biomechanics; Ergonomics; Manual-lifting; Physical-stress; Skeletal-stress; Repetitive-work; Workplace-studies; Muscle-tension; Musculoskeletal-system; Back-injuries; Lost-work-days; Human-factors-engineering
Publication Date
19910501
Document Type
Conference/Symposia Proceedings
Editors
Karwowski-W; Yates-JW; Mital-A
Funding Amount
205856
Funding Type
Grant
Fiscal Year
1991
NTIS Accession No.
NTIS Price
ISBN No.
9780748400065
Identifying No.
Grant-Number-R01-OH-02591
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
OH; FL; NV
Performing Organization
University of Miami, Coral Gables, Florida
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