HE WAS OPERATING A LOADER FEEDING GRAVEL TO THE CRUSHER. HE HAD JUST DUMPED HIS LOAD AND WAS BACKING UP. ANOTHER LOADER WAS COMING IN. THE TWO LOADERS COLLIDED. HE HAD A TINGLING SENSATION IN HIS LEFT LEG BUT THOUGHT IT WOULD GET BETTER SO HE DID NOT GO TO THE DR. HE CALLED THE OFFICE ON 1-28-03 TO TELL HIS LEG PAIN WAS WORSE AND HE HAD GONE TO THE DR ON 1-27-03.