Investigation of the Effects of Extravehicular Activity (Eva) Gloves on Performance PDF Download
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Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781729363355
Category : Science
Languages : en
Pages : 54
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Book Description
The objective was to assess the effects of extravehicular activity (EVA) gloves at different pressures on human hand capabilities. A factorial experiment was performed in which three types of EVA gloves were tested at five pressure differentials. The independent variables tested in this experiment were gender, glove type, pressure differential, and glove make. Six subjects participated in an experiment where a number of dexterity measures, namely time to tie a rope, and the time to assemble a nut and bolt were recorded. Tactility was measured through a two point discrimination test. The results indicate that with EVA gloves strength is reduced by nearly 50 percent, there is a considerable reduction in dexterity, performance decrements increase with increasing pressure differential, and some interesting gender glove interactions were observed, some of which may have been due to the extent (or lack of) fit of the glove to the hand. The implications for the designer are discussed. Bishu, Ram R. and Klute, Glenn Johnson Space Center...
Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781729363355
Category : Science
Languages : en
Pages : 54
Get Book Here
Book Description
The objective was to assess the effects of extravehicular activity (EVA) gloves at different pressures on human hand capabilities. A factorial experiment was performed in which three types of EVA gloves were tested at five pressure differentials. The independent variables tested in this experiment were gender, glove type, pressure differential, and glove make. Six subjects participated in an experiment where a number of dexterity measures, namely time to tie a rope, and the time to assemble a nut and bolt were recorded. Tactility was measured through a two point discrimination test. The results indicate that with EVA gloves strength is reduced by nearly 50 percent, there is a considerable reduction in dexterity, performance decrements increase with increasing pressure differential, and some interesting gender glove interactions were observed, some of which may have been due to the extent (or lack of) fit of the glove to the hand. The implications for the designer are discussed. Bishu, Ram R. and Klute, Glenn Johnson Space Center...
Author: Ram R. Bishu
Publisher:
ISBN:
Category : Life support systems (Space environment)
Languages : en
Pages : 20
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 836
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Author: Shrawan Kumar
Publisher: CRC Press
ISBN: 0203503597
Category : Technology & Engineering
Languages : en
Pages : 554
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Book Description
Muscle strength is an important topic for ergonomics practitioners and physiologists to understand, especially as it relates to workplace injuries. Muscle strength and function is at the heart of many injuries that lead to reduced productivity and economic strain on the worker, the company, and society as a whole. This comprehensive source o
Author: Shrawan Kumar
Publisher: CRC Press
ISBN: 0849379091
Category : Medical
Languages : en
Pages : 744
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Book Description
Safety or comfort? Can you truly have one without the other? Is it feasible to have both? Although by no means the only factor, a deep understanding of biomechanics plays a leading role in the design of work and workplaces that are both pain and injury free. Standing firmly on the foundation built by the previous edition, the second edition of Biom
Author: F Aghazadeh
Publisher: CRC Press
ISBN: 9780748400850
Category : Technology & Engineering
Languages : en
Pages : 828
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Book Description
Topics Include: applications of engineering anthropometry, postural strain and discomfort, industrial injury prevention, manual materials handling, and ergonomics of rehabilitation and healthcare systems.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 62
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Author:
Publisher:
ISBN:
Category : Large space structures (Astronautics)
Languages : en
Pages : 730
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Author: Shrawan Kumar
Publisher: IOS Press
ISBN: 9789051993936
Category : Technology & Engineering
Languages : en
Pages : 876
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Book Description
Ergonomics touches every man, woman and child each day of their lives whether they recognise it or not. Ergonomics (or lack of it) plays a more significant role in the lives of about two-thirds of the world s population over 10 years of age who work for one-third of their lives to make a living. There are 120 million occupational accidents and injuries and 200,000 fatalities each year according to WHO 95. Occupational accidents, injuries and fatalities are undesired events. The occupational activities are planned and designed, and executed with a purpose under supervision but accidents are not. Hence it stands to reason that better planning, design and execution will help to reduce these undesirable outcomes. One must also recognise that under global scheme of biological evolution, the human beings were not designed to endure a life long exposure to artificial activities repetitively. Thus occupational health problems are inevitable if we do not return to nature for our sustenance. As a society, we have chosen to live and work as we do. In fact, there is a far rapid evolution (mutation and speciation) of occupations than of any biological organism. This places us in a situation where better planning, design and execution of our occupational activities have become absolute necessity. However, since ergonomics is a modifier and not a causal factor, its significance does not become immediately apparent to us. Perhaps it is for this reason that even in developed world occupational health services are available to between 20% to 50% of the work force and less than 10% of the workforce in the developing countries. Occupational health services are remedial approaches. The rational wisdom of the human race should strive to get proactive control of undesirable outcomes through ergonomics. Unfortunately, it is sadly lacking even today. On an optimistic note one can observe that its presence and application is slowly increasing.
Author:
Publisher: National Academies
ISBN:
Category : Medical care
Languages : en
Pages : 164
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