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Ashraf M. Genaidy

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Publications by Ashraf M. Genaidy (bibliography)

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1989
 
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Mital, Anil and Genaidy, Ashraf M. (1989): Isokinetic Strengths and Working Posture. In: Proceedings of the Human Factors Society 33rd Annual Meeting 1989. pp. 632-636.

This paper presents isokinetic (dynamic) pull-up strength profiles of males and females, engaged in infrequent force exertion, in fifteen different working postures ranging from kneeling to standing. Maximum pull-up force was exerted with two hands in the stooped posture. Least force was exerted with the preferred hand at reach distance, in the sagittal plane (arm fully extended), in the sitting posture. As expected, large differences existed in the force exertion capability of males and females.

© All rights reserved Mital and Genaidy and/or Human Factors Society

1988
 
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Genaidy, Ashraf M., Asfour, Shihab S. and Khalil, Tarek M. (1988): Preliminary Physiological and Psychophysical Guidelines for Continuous Lifting Tasks. In: Proceedings of the Human Factors Society 32nd Annual Meeting 1988. pp. 690-694.

The objective of this research was to study the effects of task parameters on physiological and psychophysical limits for prolonged lifting activities. The results of this study indicate that (1) The endurance time of individuals decreased with the increase of the frequency and the weight of load, and (2) physiological responses are dependent on lifting task parameters.

© All rights reserved Genaidy et al. and/or Human Factors Society

1987
 
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Genaidy, Ashraf M., Duyos, Jorge R. and Asfour, Shihab S. (1987): Physiological Stresses Associated with Manual Handling of Containers of Varied Sizes and Weights: A Case Study. In: Proceedings of the Human Factors Society 31st Annual Meeting 1987. pp. 1326-1330.

The main objective of this study was to evaluate the physiological strain imposed on individuals engaged in unloading boxes from a truck. The actual operation was performed in one of the local industries, and was videotaped and timed. This operation served as a basis for a simulation study in the authors' laboratory. Six subjects participated in this study. Since the containers utilized in the actual operation varied greatly, empirical distributions derived from the box sizes and weights handled at that industry were developed based on a sample of 466 boxes. The frequency of handling was 20 times/min. The task duration was 30 min. Heart rate and oxygen consumption were recorded every 5 min for a period of 5 min. The results showed that the task performed can be classified as very heavy work compared to industrial tasks reported in the literature. Physiological responses showed a significant increase over time.

© All rights reserved Genaidy et al. and/or Human Factors Society

 
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26 Jun 2007: Modified
25 Jun 2007: Modified
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Jun 19

... there are no simple 'right' answers for most web design questions (at least not for the important ones). What works is good, integrated design that fills a need--carefully thought out, well executed, and tested.

-- Steve Krug, Don't Make Me Think, p. 136

 
 

Featured chapter

Read the fascinating history of Wearable Computing, told by its father, Steve Mann

Read Steve's chapter !

 
 

Latest books

The Social Design of Technical Systems: Building technologies for communities
by Brian Whitworth and Adnan Ahmad

 
Start reading

The Encyclopedia of Human-Computer Interaction, 2nd Ed.
by Mads Soegaard and Rikke Friis Dam

 
Start reading
 
 

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