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http://en.wikipedia.org/wiki/Ball_Chair http://en.wikipedia.org/wiki/Ball_Chair A ball chair is not an exercise ball chair. Looking at the illustration on Wik
by daveungerer 16y ago
http://en.wikipedia.org/wiki/Ball_Chair http://en.wikipedia.org/wiki/Ball_Chair
A ball chair is not an exercise ball chair. Looking at the illustration on Wikipedia, it's clear that a ball chair forces a C-shaped spine. Your spine will stay in an S-shape if you sit upright on the "chair" I'm referring to.
- Avshalom 16y agoSeeing as that design is never mentioned in respects to ergonomics and certainly wouldn't "bounce" anything, I strongly suspect the quoted passage was referring to the inflated balls you sit on.
- daveungerer 16y agoYou're right. That's one of the disadvantages of linking to the printer friendly version of an article. You miss out on those "link" things that made this "interweb" thing famous: http://images.businessweek.com/mz/10/19/0509_chairs.pdf http://images.businessweek.com/mz/10/19/0509_chairs.pdf I'm just going to continue as usual, using the ball chair and alternating with a normal chair if needed. My spine feels great and definitely has a more natural shape when sitting on the ball vs. a normal chair.