The present invention is a combination of a telescopic walking-aid apparatus, a knee brace and a leg stabilizer. The user may secure the entire injured leg to the leg stabilizer by the plurality of straps. After the injured leg is secured to the leg stabilizer, the user may secure the knee brace to the front of the knee and provides a total protection around the entire knee. Moreover, the telescopic walking-aid apparatus allows the medical personnel or the user to adjust the length of the crutch to accommodate different stage of healing process, so the user does not need to purchase or change crutch throughout the course of healing. Finally, the replaceable foot makes the walking-aid apparatus more adaptive toward different terrains.
