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.
There are various reasons that cause pain in the right side of the abdomen. 1  These may include appendicitis, problems in the gall bladder, ovarian cysts, etc. Below are some reasons for such pain symptoms: 2  Appendicitis - Pain in the right side of the abdomen is very commonly associated with appendicitis. The appendix is a three and half inch long tube of tissue which is an extension of the large intestine. A blockage in the appendix due to an infection will cause appendicitis.