A keken guragu kujera ce mai ƙafafu, ana amfani da ita lokacin tafiya yana da wahala ko ba zai yiwu ba saboda rashin lafiya, rauni, matsalolin da suka shafi tsufa ko nakasa. Wadannan na iya haɗawa da raunin kashin baya (paraplegia, hemiplegia, da quadriplegia), palsy cerebral, raunin kwakwalwa, osteogenesis imperfecta, cututtukan neurone, mahara sclerosis, muscular dystrophy, spina bifida, da dai sauransu. keken hannu na hannu, kujerar guragu na lantarki, kujerar guragu mai nau'in tsani.