Stretchable strain sensors have great potential for versatile wearable applications due to their stretchability, flexibility and bendability. Aiming at practical uses, it is essential but challenging for strain sensors to implement wide sensing range, low hysteresis, good linearity and stability. This paper reports a new stretchable conductive fabric strain sensor by printing conductive polymer poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) on a pre-stretched polyester-rubber fabric. The strain sensor exhibits a broad strain sensing range, good linearity, high sensitivity, fast dynamic response, low hysteresis and excellent stability, making it competent to monitor human limb/joint movements with high fidelity on such as finger, elbow, and knee joint.