WHILE AT A FULL STOP, I WAS STRUCK FROM BEHIND (THE OTHER VEHICLE WAS TRAVELING ( 20MPH?) IN MY 2003 SUBARU WRX WAGON- RESULTING IN THE COLLAPSE OF THE DRIVER'S SEAT BACK AND IN DAMAGE TO THE SEAT RECLINER MECHANISM AND THE 'SEAT FRAME' (THE BODY SHOP'S TERM). *AK