Embodiments of crutches are disclosed. A crutch has a main body having a substantially vertical tubular member with a plurality of apertures formed therein an angled portion extending upwardly from the substantially vertical tubular member an arm rest support extending perpendicularly from the angled portion for receiving an arm rest and a handle extending outwardly from the arm rest support. The crutch further includes a leg telescopically received into the substantially vertical tubular member, and a foot exchangably received by the leg.揭示拐杖之實施例。一拐杖具有:一主體,其具有一實質上垂直管狀部件,其中形成有複數個孔隙;一傾斜部分,其自所述實質上垂直管狀部件向上延伸;一靠手支撐件,其自所述傾斜部分垂直地延伸以用於收納一靠手;及一把手,其自所述靠手支撐件向外延伸。所述拐杖進一步包含伸縮地收納至所述實質上垂直管狀部件中之一支腿,及由所述支腿可替換地收納之一支腳。100‧‧‧拐杖105‧‧‧主體結構110‧‧‧實質上垂直管狀部件113‧‧‧第一傾斜部分117‧‧‧把手118‧‧‧靠手支撐件124‧‧‧靠手127‧‧‧肘杯129‧‧‧拉條130‧‧‧鏈齒排150‧‧‧支腿160‧‧‧支腳
