Modern life style makes people rely much on computer operation. No matter working or entertaining, long time sitting in front of computers has wrought a pandemic of muscle spasms, pinched nerves, and vision problems, not to mention carpal tunnel syndrome,...

It's very important that an office chair should be able to provide support on your lower back. When you're sitting long hours with no support in your lumbar area, it will lead you to slouch. An ergonomic office chair should have a lumbar adjustment to...