THE EE LIFTED A 76 LB. WEIGHT BEING USED TO CALIBERATE SCALES AT AN UNDERGROUND BATCH PLANT WHEN HE FELT A PAIN IN HIS BACK. HE VISITED A CHIROPRACTOR AND RECEIVED CHIROPRACTIC TREATMENT. HE W AS RELEASED TO FULL DUTY. HE DIDN'T SEE THE CHIROPRACTOR UNTIL JUNE 8, 2001.