▁extrem ity ▁▁▁ ▁Lower ▁extrem ity ▁cast s ▁are ▁class ified ▁similarly , ▁with ▁a ▁cast ▁enc asing ▁both ▁the ▁foot ▁and ▁the ▁leg ▁to ▁the ▁hip ▁being ▁called ▁a ▁long ▁leg ▁cast , ▁while ▁a ▁cast ▁enc asing ▁the ▁patient ' s ▁foot , ▁an k le ▁and ▁lower ▁leg ▁ending ▁below ▁the ▁kne e ▁is ▁referred ▁to ▁as ▁a ▁short ▁leg ▁cast . ▁A ▁walking ▁he el ▁may ▁be ▁applied ▁for ▁amb ulation . ▁These ▁he els , ▁when ▁properly ▁applied , ▁elev ate ▁the ▁to es ▁and ▁offer ▁the ▁wear er ▁the ▁advantage ▁of ▁keeping ▁the ▁to es ▁out ▁of ▁the ▁d irt ▁and ▁mo ist ure ▁of ▁the ▁street . ▁ ▁The ▁walking ▁he el ▁provides ▁a ▁small ▁contact ▁patch ▁for ▁the ▁cast ▁and ▁creates ▁a ▁fluid ▁rock ing ▁motion ▁during ▁the ▁st ride ▁as ▁the ▁cast ▁can ▁pivot ▁easily ▁in ▁any ▁direction . ▁Similarly , ▁a ▁weight - b ear ing ▁cast ▁sh oe ▁( cast ▁boot , cast ▁sand al ) ▁can ▁help ▁the ▁patient ▁walk ▁during ▁con val esc ence . ▁ ▁Additionally , ▁a ▁cast sh oe ▁can ▁simply ▁protect ▁the ▁patient ' s ▁cast ed ▁foot ▁while ▁helping ▁to ▁maintain ▁better ▁h yg iene ▁by ▁prevent ing ▁the ▁cast ▁from ▁directly ▁contact ing ▁potentially ▁dirty ▁or ▁wet ▁ground ▁surfaces . ▁Where ▁the ▁patient ▁is ▁not ▁to ▁walk ▁on ▁the ▁injured ▁lim b , ▁cr ut ches ▁or ▁a ▁wheel ch air ▁may ▁be ▁provided . ▁The ▁foot ' s ▁under - sole ▁portion ▁of