A 150# ROCK GOT CAUGHT BETWEEN BELT AND MOTOR MOUNT. HE GOT IT UNWEDGED AND ROLLED IT OFF THE BELT. NEXT SHIFT HE COMPLAINED OF SERIOUS LOWER BACK PAIN. HE WAS SENT TO CLINIC TO BE EXAMINED BY A DR. DIAGNOSIS WITH RIGHT LUMBOSACRAL STRAIN. DR. PUT HIM OF RESTRICTED WORK DUTIES OF NO CLIMBING, LIFTING, AND REPETITIVE USE OF PEDALS. EE TOOK PLANT OPERATOR POSITION BECAUSE IT MEETS HI