EE WAS MOVING A 54 LB COOLER GRATE INT HE PLANT STOREROOM. SHE LIFTED IT SLIGHTLY FELT SOME PAIN AND PUT IF BACK DOWN. SHE NOTIFIED HER SUPERVISOR ON 11-13-03 OF BACK DISCOMFORT AND WAS SENT T O PHYSICIAN THAT DATE. SHE RECEIVED OSTEOPATHIC MANIPULATIVE TREATMENT ON MORE THAN ONE OCCASION.