A position sensor cord includes a hollow insulator formed of a restorable rubber or a restorable plastic, and two linear resistive members. Each of the two linear resistive members includes a linear insulator and a conductive layer provided around a circumference of the linear insulator. The conductive layer is formed of a conductive rubber or a conductive plastic. The two linear resistive members are arranged in no electrical contact with each other and along an inner surface of the hollow insulator. One of the two linear resistive members may be replaced with one linear conductive member.