Your Office Chair Is Killing You

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The chair you’re sitting in now is likely contributing to the problem. “Short of sitting on a spike, you can’t do much worse than a standard office chair,” says Galen Cranz, a professor at the University of California at Berkeley. She explains that the spine wasn’t meant to stay for long periods in a seated position. Generally speaking, the slight S shape of the spine serves us well. “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. The body is left to slouch, and the lateral and oblique muscles grow weak and unable to support it.