EE WAS LIFTING AN EMPTY 35-40 LB STEEL BOX FROM A CONFINED LOCATION. HE WAS STANDING ERECT AND IN A AWKWARD POSITION. WHEN HE ATTEMPTED THE LIFT, HIS LOW BACK STRAINED. HE WAS EXAMINED BY THE AUTHORIZED PROVIDER, AN INJECTION OF ANTI-INFLAMATORY WAS ADMINISTERED AND A COURSE OF THERAPY WAS PRESCRIBED AND BEGUN.