EMPLOYEE IS PARAPLEGIC FROM MOTORCYCLE ACCIDENT.HE HAD BEEN USING TOILET FACLITIES AND WAS TRANSFERING BACK TO HIS WHEEL CHAIR. HE HAD HOLD OF THE BAR ABOVE AND WAS LOWERING INTO CHAIR WHEN TH E CHAIR MOVED ON HIM. HE CONTINUED TO LOWER HIMSELF TO FLOOR AND HEARD SOMETHING POP. HE BROKE HIS LEFT FEMUR.