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.
Right side abdominal pain is caused by a range of factors. It may be because of an underlying medical condition, foods and drinks that you ingest, trauma, stress, etc. The most common medical conditions that can cause right side abdominal pain are the following: [1] Gallstones. Appendicitis.