There's a lot of false information about the proper posture ... sitting at a desk. Cornell University ergonomics professor Dr. Alan Hedge sets out why the 90˚ rule does more damage than good ...
Typical sitting posture at a laptop or computer. Head forward posture ... it will be virtually impossible for you to obtain good posture and reduce the stress on your shoulders.
If you spend hours every day slouching over a computer, it could be having a seriously detrimental effect on your back, posture ... rather than sitting at your desk is a good way to protect ...