Office Chair Alternatives: Do Kneeling Chairs and Balance Balls Work?

If you have ever eyed a balance ball or a kneeling chair and thought there has to be a better way to sit, you were not wrong. You were just half right. The whole category of office chair alternatives, kneeling chairs, balance balls, saddle stools, wobble stools, exists because sitting stone-still in a normal chair for eight hours feels faintly unnatural. And that feeling is correct. Your body was never...