Mechanic performing work on equipment using a ladder. While twisting his upper body from the ladder, he experienced sharp pain in his lower back that radiated to both legs. He returned to his dorm room at the end of his shift, but was unable to sleep due to pain. He denies hx of back problems. He began losing work on 10/25/2012 due to surgery and has not yet returned to work.
U.S. Mine Safety and Health Administration