EMPLOYEE WAS FILLING FIFTY POUND PAPER BAGS WITH PRODUCT AND PLACING THE FILLED BAGS ON A WOODEN PALLET. AS THE EMPLOYEE WAS ATTEMPTING TO PLACE A FILLED BAG ON THE PALLET IT SLIPPED FROM HIS HANDS. AS HE ATTEMPTED TO CATCH THE BAG SO THAT IT WOULDN'T DROP TO THE FLOOR, THE WEIGHT OF THE BAG AND THE POSITION OF HIS BODY CAUSED BACK PAIN. DR PRESCRIBED LITE DUTY & PHYSICAL THERAPY.