ON TUES, 2-8-00 APPROX 3 AM, INJURED'S WRIST STARTED GETTING SORE WHILE THROWING 50 # BAGS ONTO PALLETS. HE FINISHED HIS SHIFT, WORKED WED SHIFT OF 2/9/00 WITHOUT PROBLEMS. ON THURS. 2/10 AFTE RNOON AFTER SLEEP, HIS RT WRIST WAS SWOLLEN. HE THEN WENT TO DR'S OFFICE AND NOTIFIED EMPLOYER AFTER THIS.