Here are several examples of common sitting activities often performed with poor posture that bends the spine out of its normal shape

 — eventually causing deformity, degeneration, and pain .  Proper posture always maintains the normal shape of the spine to minimize stress and strain on the muscles, ligaments, tendons, fascia, nerves, bones, and discs.  The examples shown below are most likely poor posture habit positions that are repeated all day long. Do you see your posture here? 

Using A Laptop Computer On The Bus

Using A PDA On The Bus

Reading On The Bus

Sitting At The Coffee House

Sitting At The Diner

Waiting At The Airport

Working On A Laptop At The Coffee House

Standing At The Bus Stop

Reading on the Ferry

Laptop at the Internet Bar

Checking PDA Standing