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.
These muscles can cause pain in the right upper back after injuries, such as a muscle strain or bruise from a car accident or fall. Overuse from work or recreational activities, such as painting or playing racket sports, might also be to blame -- especially for people who are right handed.