THE ACFT WAS BEING FLOWN MANUALLY FOR AN ILS APCH TO RWY 8L AT ATLANTA. THE APCH WAS ALLOWED TO BECOME UNSTABLE AT ABOUT THE MIDDLE MARKER AND THE VERTICAL SPEED WAS INCREASED TO ABOUT 1290 FEET PER MINUTE ABOUT FIVE SECONDS BEFORE TOUCHDOWN. THE IOE CAPT IN THE LEFT SEAT WAS TOLD BY THE COMPANY CK AMN THAT HE NEEDED TO GET HIS NOSE UP. AS THE IOE CAPT INITIATED FLARE, THE CK AMN ALSO APPLIED NOSE UP CONTROL INPUTS. THE ACFT MADE THREE TOUCHDOWNS AND THE AFT FUSELAGE CONTACTED THE RWY RESULTING IN SUBSTANTIAL DAMAGE. THE IOE CAPT HAD COMPLETED HIS FIRST CLASS PHYSICAL EXAM FIVE DAYS PRIOR TO THE ACCIDENT AND UNDERWENT BYPASS SURGERY 17 DAYS SUBSEQUENT TO THE ACCIDENT. IN ADDITION, HE INDICATED THAT 3-4 YEARS EARLIER HE HAD EXPERIENCED CHEST PAINS AND SHORTNESS OF BREATH WHICH HAD BEEN DIAGNOSED AS A HIATAL HERNIA. THE SAME SYMPTOMS HAD REAPPEARED ABOUT ONE WEEK PRIOR TO HIS BEGINNING L-1011 GROUND SCHOOL. THE ACCD FLT WAS BEING CONDUCTED ON THE SECOND DAY OF THE CAPT,S IOE IN THE L-1011.