ON 10/5 EE CLAIMS THAT WHILE CHANGING CHAINS ON A LOADER HE FELT ACHES IN HIS LOWER BACK. HE CONT TO WORK & ON 10/14 EE FELT LIKE HE MAY HAVE PULLED SOMETHING IN HIS BACK. AT THAT TIME NO MED ATTENTION WAS SOUGHT. ON 10/23 HE DIDGO TO THE DR & WAS RELEASED TO WORK WITH RESTRICTIONS FOR ACUTE LUMBAR STRAIN