Improve Your Posture

Also, try Yoga At Your Desk.

When you correct your posture, especially if you work at a desk all day, you’ll be rewarding yourself later in life. Back pain, stress etc. It all gets sorted. Try this tip.

Shoulders Back & Down. Slouching the shoulders leads to rounding of the upper back. This stresses your neck, elbows & wrists.
Whether you’re:

Sitting at your desk

Driving your car

Performing a Bench Press

Put your shoulders back & down. It will keep you in good health.

7 Postural Habits To Make Now To Increase Your Health - [DumbLittleMan]

This interesting diagram from Flickr’s Bluelephant was clipped from this article also.