A crutch for being used with a walk assistive device is detachably mounted onto the walk assistive device, wherein the walk assistive device has two crutch holder secured thereon and each crutch holder has a crutch detachably mounted thereon. A moving device is secured on a corresponding one of the two heel of the assistive device. Each crutch has a roller rotatably mounted onto a lower end thereof. The moving device is operated to provide a function of an electric wheelchair for lengthening the independent moving distance of the user when the first moving device and the second moving device abut against the ground.一種可搭配動輔具使用之拐杖,其中該行動輔具上係裝設有兩拐杖限位裝置,而每一拐杖限位裝置係以可拆卸方式固定有一拐杖。該行動輔具之腳後跟處係裝設有一移動裝置,且每一拐杖之底端係裝設有一滾輪。當行動輔具提供坐姿功能時,向後傾擺之拐杖除可作為行動輔具之後支撐,隨時提供肢障者坐下休息之功能外,當移動裝置與滾輪同時觸地,而移動裝置開始作動時,可令肢障者保持坐姿而自由移動,提供電動輪椅之功能,延長肢障者自主移動之距離,令肢障者可自行移動至更遠的目的地。30‧‧‧拐杖31‧‧‧握持段311‧‧‧第一上桿體312‧‧‧第二上桿體313‧‧‧橫向握桿314‧‧‧腋下墊32‧‧‧頂抵段321‧‧‧第一定位結構33‧‧‧內桿34‧‧‧滾輪35‧‧‧架體351‧‧‧穿孔36‧‧‧防滑塊
