The embodiments described herein provide a vehicle seat assembly that is coupled to a floor of a vehicle. The assembly comprises a seat back frame, a seat cushion frame, at least one leg and at least one blocking member. The seat cushion frame is pivotally coupled to the seat back frame. The leg is pivotally coupled to the seat cushion frame and pivotally coupled to the floor of the vehicle. The blocking member is coupled to the seat cushion frame and capable of moving into engagement with the leg as the assembly moves from the folded position to the upright seating position. The blocking member is adapted to block movement of the leg and to stabilize the seat assembly in the event of a vehicle collision.