EE WAS PICKING UP STONES FROM PALLET, PLACING ON TABLE SAW & CUTTING THE STONE. HE FELT PAIN IN HIS LOWER BACK, BUT DID NOT REPORT IT. ON 2/26/03 HE AGAIN FELT PAIN & REPORTED IT TO HIS SUPERV ISOR. HE SAW A DR. ON 2/28/03 & WAS DIAGNOSED W/HIGH BACK STRAIN & PLACED ON MEDIUM/HEAVY RESTRICTIONS UNTIL 3/10/03. RE-EVALUATION 3/9/03.