EE WAS GETTING OUT OF PICKUP TRUCK AT PLANT 1 SHOP AREA. THERE WAS SNOW & ICE ON THE GROUND. THE LOADER OPERATOR HAD JUST CLEARED THE SNOW. THE EE STEPPED OUT OF THE TRUCK. HIS FEET SLID ON TH E ICE & HE HIT THE GROUND VERY HARD. HE FILLED OUT A REPORT BUT DIDN'T GO TO DR TILL 1-21-03. HE HAD A NERVE PROBLEM & BRUISED MUSCLES IN RT SHOULDER & NECK. PLACED ON LIGHT DUTY.