Ergonomics - Intro - ERGONOMICS term applied to the field...

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ERGONOMICS …term applied to the field that studies & designs the human-machine interface to prevent illness and injury traditionally defined as optimizing the fit between workers & their tasks
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Human Factors/Ergonomics ...is focused on designing the environment so that it matches the capabilities & limitations of humans, as well as ensuring comfort, ease of use, and preference. This includes the design of machines, equipment, processes, home or work-site layouts with the goals of maintaining health and enhancing productivity.
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Numerous professions are becoming interested & involved in ergonomics, including… engineers; human factors/ergonomics professionals industrial hygienists & safety personnel
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Historical Overview Ramazzini (1713), the ‘Father of Occupational Medicine’ Various and manifold is the harvest of diseases reaped by certain workers from the crafts and trades they pursue. All the profit that they get is fatal injury to their health, mostly from two causes. The first and most potent is the harmful character of the materials they handle. ..
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Historical Overview The second, I ascribe to certain violent and irregular motions and unnatural postures of the body, by reason of which, the natural structure of the vital machine is so impaired that serious diseases gradually develop therefrom. Ramazzini, B. Treatise on the Diseases of Workers (1713). Translated by W.C. Wright (1940); New York:Hefner Publishing Co, 1954.
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Washerwoman’s Sprain …the tendons of the extensor muscles of the thumb are liable to become strained and their sheaths inflamed after excessive exercise, producing a sausage-shaped swelling along the course of the tendon, and giving a peculiar creaking sensation to the finger when the muscle acts. In consequence of its often being caused by such movements as wringing clothes, it is known as “washerwoman’s sprain” Gray (1893)
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Early History Zollinger (1927) : Swiss insurance claims for 929 cases of crepitant tenosynovitis mostly attributed to repeated strain : Suggested work rates of 7,600-12,000 exertions/shift was a factor in 189 cases of tenosynovitis among 700 tea packers
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Early History (Cont.) Conn (1931) : The Legislature in 1929
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This note was uploaded on 04/22/2011 for the course ERG 101 taught by Professor Hawthorne during the Fall '10 term at Grand Valley State University.

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Ergonomics - Intro - ERGONOMICS term applied to the field...

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