COMPANY TRUCK WAS BACKING OUT OF SHOP WASHBAY. EE WAS PREP'G CASE 1825B LOADER TO WASH. THE FORD TRUCK WHILE BACKING UP STRUCK & PINNED EE IN BUCKET OF CASE 1825B LOADER. THIS CAUSED COMP RESSION INJURIES (PUNCTURE & LACERATIONS)TO EE'S RIGHT LEG AT MID-SHIN.