Snowblower-related injuries to the hand have been on the rise in recent years, with more than 5,000 injuries reported each year in the United States. Many of those injuries might be prevented with better safety features, according to a study presented at the 2009 Annual Meeting of the American Academy of Orthopaedic Surgeons (AAOS) (http://www.aaos.org).
Short-term Versus Long-term Comfort in Office Chairs
Published in February 27th, 2009
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Selecting the right ergonomic chair for you …
“Previously I wrote about the difference between what feels good (comfort) and what IS good (ergonomics), when choosing an office chair. Just after that, through the notification e-mail of Applied Ergonomics, I ran into this article: Effects of differences in office chair controls, seat and backrest angle design in relation to tasks stating the following:
(De Looze et al., 2003a) and (De Looze et al., 2003b) described this phenomenon for office seats, stating that short term comfort is not always the same as long term comfort. Also, in other products like hand tools (Kuijt-Evers et al., 2007) and train seats (Bronkhorst and Krause, 2005) this phenomenon has been described. Ideally, a product should look comfortable at first sight, be comfortable during short use and remain comfortable after long term use (Vink, 2005).
The authors of the article also point out that the ease of use of making the right settings for the chair seems to be one of the factors that determines user preference (note: user preference, not customer preference) for an office chair. They do not distinct between comfort and ergonomics, but I do like their distinction between what I would call ‘expected comfort’, ’short-term comfort’ and ‘long-term comfort’.” (Continued via uselog) [Ergonomics Resources]
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