Having a good stretch once or twice a day feels good and can help prevent injuries (flexible muscles can do more), improve your posture (and as a result help with back pain), increase blood and nutrients to your muscles, and help you to feel less stressed.
Here's what I do:
Other Quick Stretches (you can do these at your desk)
I bet you are feeling better already!
Also check out You Tube for some quick stretching routines:
-bye for now