Sit tall in a chair, with your spine neutral and feet flat on the floor. Avoid leaning back or slouching against the backrest. Place both hands behind your head or crossed in front of your chest, ...

Folding chairs are the kind of item that you might not think to have on hand, but once you do, it's hard to live without them ...

If you've had to move house often, or needed to live in compact spaces, you'll love this. Researchers at Carnegie Mellon ...