This is a list of lists of cities in Europe. Lists of countries includes countries that fall to at least some extent within European geographical boundaries according to certain definitions.
Quick Answer. Pain in the upper right side of the back can be caused by numerous problems, including muscle strain, poor posture, pressure on the spinal nerves or a fracture of one of the vertebrae, according to WebMD. Myofascial pain and osteoarthritis are other causes.
There is one key thing to remember though: the cause of your upper right side back pain may not have happened right at that moment. It may have built up over a period of time, and suddenly reared its ugly head. Upper back pain can be defined as when you are unable to move a part of your upper back and function normally.