INJURED SUFFERED STRAIN TO LEFT ELBOW WHEN HE TRIED TO REMOVE A DUST COLLECTOR BAG THAT WAS FULL OF MATERIAL; AND THEREFORE MUCH HEAVIER THAN EXPECTED. HE TRIED TO KEEP IT FROM SLIPPING FROM H IS GRASP, AND IN DOING SO, SUFFERED THE ELBOW INJURY. MORE THAN TWO MONTHS AFTER THE INITIAL EVENT, HE WAS REFERRED FOR PHYSICAL THERAPY.