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.
Different Types of Abdominal Pain in the Right Side. There are various reasons that cause pain in the right side of the abdomen. These may include appendicitis, problems in the gall bladder, ovarian cysts, etc. Appendicitis - Pain in the right side of the abdomen is very commonly associated with appendicitis.