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.
Upper abdominal pain. 1  Biliary disease: Cholecystitis (inflammation of the gall bladder) and gall stones typically cause pain in the right upper quadrant of the abdomen. The pain can be recurrent in nature and be related to food ingestion.