Person sy’n gwella yn dilyn achos cymhleth o dorri coes sy’n cael ei drin weithiau trwy ddefnyddio dulliau sydd y tu allan i’r goes am gyfnodau o ymhell dros flwyddynPerson sy’n gwella o stroc neu niwed i’r pen sydd wedi cael effaith ar eu symudeddPerson sy’n gwella o niwed i’r asgwrn cefn sy’n cael effaith ar eu symudeddPerson sydd â salwch difrifol ble y gall y driniaeth eu nychu, er enghraifft triniaeth ar gyfer canser;Person sydd â nam difrifol o ran defnyddio eu coesau sy’n aros neu wedi cael triniaeth am gymal newydd (e.e. clun, penglin ac ati)
A person recovering from complex leg fractures sometimes managed with external fixators for periods of well over a yearA person recovering from stroke or head injury that has impacted on their mobilityA person recovering from spinal trauma which impacts their mobilityA person with a serious illness where the treatment may be debilitating, for example treatment for cancerA person with severe functional leg impairments who is awaiting or who has undergone joint replacement (e.g. unilateral or bilateral hip, knee, etc)