Hi I knocked just below the right shoulder into a car door last wednesday and now have pain when i lift my arm or if i strike the elbow you get that pins and needles sensation. The pain has gotten better when relaxing but when start to exert it gets bad again.
Hello, I have studied your case and I think there is compression of nerves around shoulder when door hit the shoulder. It is called neuropraxia. In this condition there is needle like sensation, and it improves in few days to week.  You should take tablet Pregabalin M one daily and also hot water fomentation. You will feel better with time. Avoid smoking and Alcohol. I hope this answer will be useful for you. Let me know if there is any other followup questions. Thanks