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.
Causes. There are many different causes for pain in your lower right side back. Generally, the cause is from an injury to the back muscles, ligaments, or joints. A temporary injury that is not as severe will generally cause acute pain, while a severe injury, such as a fracture can result in chronic pain.ower back pain in the right side can be caused by a number of reasons. Your lower back (lumbar area) is the weight bearing part of your body.