In 1877, Massachusetts passed the Nation's first factory inspection law. It required guarding of belts, shafts, and gears, protection on elevators, and adequate fire exits. Its passage prompted a flurry of State factory acts.
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.
Other conditions that can cause upper right back pain include: 1  Respiratory conditions or lung infections can cause chest pain and upper right back pain. Commonly associated with cough, difficulty in breathing and sometimes fever. 2  Skin conditions like boils, abscesses, stings, bites etc. can cause pain in upper right back.