Lower back pain is usually caused by either a lumbar sprain, which means that the tissues that connect bone together have been stretched too far or torn, or a muscle strain, which means that damage has occurred to the muscle fibers. The pain from these injuries can be very severe. Generally, the treatment and recovery time for these two types of injuries are the same.
While not occurring in Pennsylvania, the actions of the U.S. Department of Labor against Southwestern Bell should resonate in every jurisdiction. It is claimed that Southwestern Bell took disciplinary actions against four workers who reported workplace injuries. The injuries occurred in two jurisdictions back in 2011 and 2012.