WHILE STOPPED, VEHICLE WAS REARENDED BY MOVING VEHICLE THAT WAS TRAVELING 35 MPH. DRIVER FELL FORWARD/BACKWARD, SEATBACK RECLINED, LEFT SIDE OF SEAT BROKE, MOTORIZED SHOULDER BELT DID NOT RETRACT. DEALER REPLACED SEAT FRAME. FOUND NO PROBLEM WITH SEAT BELT. *AK CONSUMER SUSTAINED INJURIES TO THE NECK, UPPER BACK, RIGHT SHOULDER, ARM, HAND, AND SHOULDER BLADE. *SLC