WHILE REMOVING CHAINS FROM A SPREADER BAR, THE EMPLOYEE KNEELED DOWN IN A GRASSY AREA AND PLACEDHIS LEFT KNEE ON A SHARP OBJECT (ROCK). HE THOUGHT HE HAD SUFFERED A STONE BRUISE AND CONTINUED TO WORK. HE STARTED HIS SEVEN DAYS OFF AND HIS KNEE CONTINUED TO SWELL AND HE HAD TWO STREAKS RUNNING DOWN HIS LEG. DR DIAGNOSED HIS CASE AS BURSITIS.