Posture. What do we really know?

Posture is a frequent topic of discussion for physiotherapists, clients, the media and society. A common belief is that spinal pain is caused by sitting, standing, or bending “incorrectly”. Many patients tell us, “I know I have bad posture” before we begin examining them. It is often assumed that “incorrect” posture is the cause of pain and needs changing, but does it? What does the science tell us?  Is there such a thin.