AN MD80 EXPERIENCES SOME SHARP MOVEMENT OF ACFT DURING DSCNT ON APCH AT ANC; AK. 2 CABIN ATTENDANTS WERE INJURED.

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WHILE FLT PLANNING; I NOTICED EARLY MORNING PIREPS OF MODERATE TURB AROUND ANC; AND THE AREA FORECAST WAS THE TYPICAL LOW ALT 'TEMPO' POSSIBLE MODERATE TURB AT LOWER ALTS; MOSTLY BELOW 8000 FT. 'A' FLT ATTENDANT ADVISED OF POSSIBLE TURB; BUT I WOULD UPDATE WX LATER. ENRTE TO ANC; WE HAD OBTAINED ANC METAR FROM JUNEAU RADIO; AND THERE WAS NO MENTION OF TURB; JUST ICING. PRIOR TO DSCNT; ZAN ALSO SAID THEY HAD NO RPTS OF TURB RECENTLY; AND THEY ASKED A FLT CLBING OUT ABOUT THE TURB; AND HE SAID HE HAD NO COMPLAINTS ON THE CLBOUT. ON DSCNT; I TURNED ON THE SEAT BELT SIGN EARLY (26M); AND FO MADE THE ARR ANNOUNCEMENT TO PREPARE CABIN/BE SEATED PRIOR TO 10000 FT; AND CONTINUED TO DSND. AT ABOUT 8000 FT; WE ENTERED A SMALL CUMULUS CLOUD (TOP AT 9000 FT) THAT WAS PAINTING ABSOLUTELY NOTHING ON THE RADAR. IMMEDIATELY; WE RECEIVED A JOLT OF MODERATE (HIGH END) TURB; WITH ANOTHER ONE OR TWO SECONDARY MODERATE JOLTS; AND THEN IN THE CLR AGAIN. WE RPTED THIS TO ATC; AND FLT CONTINUED WITH OCCASIONAL LIGHT TURB; AND LNDG WAS ACCOMPLISHED UNEVENTFULLY. AFTER CLRING THE ACTIVE RWYS; I OPENED THE COCKPIT DOOR AND ASKED 'A' FLT ATTENDANT (FORWARD) IF EVERYONE WAS ALL RIGHT. SHE SAID YES; BUT ABOUT 3 MINS AFTER ARR AT GATE; 'B' (MID) FLT ATTENDANT CALLED TO SAY THAT SHE AND 'C' (AFT) FLT ATTENDANT HAD BEEN KNOCKED AROUND BY THE TURB. I ASKED HOW BADLY THEY WERE HURT AND IF THEY WANTED PARAMEDICS CALLED; AND SHE SAID SHE WOULD CALL BACK. AFTER ANC PAX HAD DEPLANED; I PROCEEDED TO CABIN AND MET 'B' FLT ATTENDANT; WHO REQUESTED AN ICE PACK. I AGAIN ASKED HER IF SHE WANTED ASSISTANCE OR TO BE REPLACED. SHE DECLINED; AND MEANTIME; THE 'C' FLT ATTENDANT HOBBLED FORWARD AND SAID SHE WANTED TO BE REPLACED; AND APPEARED TO BE IN SOME DISCOMFORT. SHE SAID SHE JUST WANTED TO GO TO A HOTEL AND LAY DOWN. I PROCEEDED TO ANC OPS AND CREW SCHEDULING TO OBTAIN A ROOM FOR 'C' FLT ATTENDANT. UPON RETURNING TO ACFT; 'C' FLT ATTENDANT APPEARED TO BE WORSE AND PARAMEDICS WERE ENRTE. BOTH FLT ATTENDANTS WOUND UP GOING TO LCL HOSPITAL FOR EVALUATION; WITH 'C' FLT ATTENDANT REMAINING THERE FOR 2 NIGHTS. STANDARD PROC FOR ALL FLT ATTENDANTS GOING INTO ANC (AND JNU) SHOULD BE TO HAVE CABIN PICKED UP AND BE SEATED/STRAPPED IN AT 10000 FT; ESPECIALLY IN NON SUMMER MONTHS. ALSO; MORE TIMELY RPTS OF RECENT TURB ARE CRITICAL. APPARENTLY; A FLT THAT ARRIVED LESS THAN 2 HRS BEFORE US HAD ENCOUNTERED MODERATE TURB (ACCORDING TO GND PEOPLE); BUT THEY EITHER DID NOT RPT IT; OR ATC DID NOT PASS THE RPT ON.