Your Office Chair Is Killing You... stop sitting, start perching... 20100515 16:04

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Your Office Chair Is Killing You... New research in the diverse fields of

epidemiology, molecular biology, biomechanics, and physiology is converging toward a startling conclusion: Sitting is a public-health risk. And exercising doesn't offset it. ... "If you think about a heavy weight on a C or S, which is going to collapse more easily? The C," she says. But when you sit, the lower lumbar curve collapses, turning the spine's natural S-shape into a C, hampering the abdominal and back musculature that support the body. ... Lumbar support doesn't actually help your spine. ... The best sitting alternative is perching—a half-standing position at barstool height that keeps weight on the legs and leaves the S-curve intact. Chair alternatives include the Swopper, a hybrid stool seat... Standing desks and chaise longues are good options. ... "Most customers still want chairs that look like chairs." ... keep people walking and working as much as possible. ...

... http://www.businessweek.com/magazine/content/10_19/b4177071221162.htm