EE WAS ASSISTING A SHIPPING HELPER IN EMPTYING A NORBLO SUCTION HOSE THAT WAS PLUGGED WITH CEMENT AT THE RAILCAR LOADING AREA. HE STRAINED HIS LOWER BACK WHILE LIFTING ON THE 8"" X 8' FLEXIBLE HOSE. HE SAW THE DR. ON 8-24-00 AND WAS GIVEN OSTEOPATHIC MANIPULATIVE TREATMENT.