Patients often have issues with their posture and want to know ways to help.
The link below gives some useful exercises. As in all things, see your doctor or Dr DiVelbiss for an evaluation before begginning any exercises. If you have PAIN, the rules change and you can make yourself worse or more dysfunctional to avoid pain. Get examined and have your pain problem resolved.
Back Posture Help - Exercises to Stand Up Straight - Oprah.com