EE WAS HOLDING A SMALL SECTION OF 10 INCH PIPE OVER HIS HEAD WHILE ANOTHER EE INSTALLED BOLTS IN THE END PHLANGES. WHILE DOING THIS HE EXPERIENCED SOME LOWER BACK PAINS. EE RECEIVED MEDICAL AT TENTION FOR THIS INJURY, SHORTLY AFTER IT OCCURED, WHICH DID NOT MEET THE REPORTING CRITERIA. SINCE THEN HE HAS RECEIVED SHIROPRACTOR TREATMENTS. THAT INFORMATION WAS LEARNED ON 12-5-00.