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.