EE STEPPED OFF FORKLIFT AND RIGHT KNEE GAVE WAY. EE HAS A HISTORY OF KNEE PROBLEMS NONE OF THEM WORK RELATED UNTIL NOW. TOOK EE TO DR HE WAS SENT TO AN ORTHOPEDIC DR. EE WAS GIVEN PAIN MEDICIN E THAT HE COULD NOT WORK WHILE TAKING MEDICINE. EE WAS ON LEVEL GROUND SMOOTH SURFACE WHEN ACCIDENT HAPPENED.