EE STATED THAT AFTER CHECKING OIL IN ROCK TRUCK HE PUSHED THE ENGINE OIL ACCESS LADDER BACK INTOPOSITION AND FELT A STRAIN IN HIS GROIN AREA. EE CONTINUED TO WORK FOR SEVERAL DAYS AFTER ALLE GED INJURY. ON 10-22-03 DR'S OFFICE INFORMED EE THAT EE WAS RESTRICTED FROM WORK.