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.
Signs and Symptoms of Right Side Abdominal Pain. 1  Appendicitis - extreme pain in the lower right side, nausea, vomiting and low grade fever. 2  Gallstones - pain will be felt in the upper right side of the abdomen and will travel to the right upper back, shoulder and chest. In addition, nausea and vomiting are present. Ectopic pregnancy - pain in right side or left without any fever or vomiting.