EE STATED HER LEFT FOOT SLIPPED ON THE GRATING WHILE SHE WAS PLACING AN EMPTY PAPER BAG ON THE LEFT HAND PACKER SPOUT IN #1 PACKAGING AREA. WHEN SHE TRIED TO CATCH HERSELF FROM FALLING, SHE TWISTED HER LEFT HIP AND LOWER BACK. EE SHOWED UP FOR WORK THE NEXT DAY AND WAS TOLD TO GO TO THE DOCTOR.