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ReferencesNavigation arrowAuthorsNavigation arrowC. Lum
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. ”

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C. Lum

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Publications by C. Lum (bibliography)

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1989
 
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Chomcherngpat, C., Mandhani, P., Lum, C. and Martin, C. (1989): Human Lifting Strength in Different Postures. In: Proceedings of the Human Factors Society 33rd Annual Meeting 1989. pp. 745-749.

“A laboratory study was conducted to determine static lifting strengths on 13 males and 12 females from 18 to 28 years of age. Using the strength monitor, the average strength and peak strength were measured in four different postures: standing, sitting, lying on stomach with elbows support, and without elbow support. Five sets of data were collected at constant heights. There was a significant difference in lifting strengths between standing lifts and lying on stomach without elbow-support postures; maximum lift occurred in the standing position. It was found that there was no significant difference in lifting strengths between sitting and lying on stomach with elbows support. The average female strengths were found to be about 49% to 55% of male subjects in all postures.”

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

 
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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
 
 

Help us help you!

 
 
 
 
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