Thanks for choosing health care magic for posting your query.
I have gone through your question in detail and I can understand what you are going through.
This pain which varies with the posture is actually a musculo-skeletal pain. It could be due to a muscle pull or it could be due to some vertebral
Either way you should take an orthopedic consultation and until then you should take some pain killers and muscle relaxants.
Hope I am able to answer your concerns.
If you have any further query, I would be glad to help you.
In future if you wish to contact me directly, you can use the below mentioned link:
Wish you good health,
Dr. Srikanth Reddy M.D.