ALLEDGED INCIDENT WAS TO HAVE OCCURRED WHILE THE SUPERVISOR WAS HANGING A NO.1 SHUTTLE CAR CABLE. WHILE LIFTING CABLE HE SAID HE FELT A ""POP"" IN HIS BACK. HE CONTINUED TO WORK UNTIL 11/19/03. HE DID NOT REPORT THIS INCIDENT UNTIL 11/26/03. CAUSE OF THIS INCIDENT WAS IMPROPER LIFTING. COMPLIANCE WITH RULES/REGS NOT A FACTOR, PROTECTIVE EQUP OK, MINER PROFICIENCY A FACTOR.