Source : WordNet®

immobilisation
     n 1: fixation (as by a plaster cast) of a body part in order to
          promote proper healing; "immobilization of the injured
          knee was necessary" [syn: {immobilization}]
     2: the act of limiting movement or making incapable of
        movement; "the storm caused complete immobilization of the
        rescue team" [syn: {immobilization}, {immobilizing}]