Don't think writing's dangerous? Writers often suffer from painful conditions like carpal tunnel syndrome and repetitive strain injury (RSI). Both of these conditions can be minimized by smart workspace set-up.
Sitting in a poorly adjusted chair can cause back pain, neck strain, shoulder tension. Writers need a good chair. It doesn't need to be expensive, but an adjustable chair is a great investment. Supplier Duncan MacIntyre has an excellent article on what to look for when choosing an adjustable chair.
When setting up your chair, keep these things in mind:
For more information, Healthy Computing has a great resource on ergonomic office set up, with photos and video demonstrations.The BC Health Guide also has some good information on office ergonomics.