The Authors during an extensive applications of nasal brushing in infancy according to Rutland and Cole, remarked--first time in literature--the contemporary presence in a child of the nemaline myopathy syndrome and immotile cilia syndrome. Supposing the possibility that in other myopathy may be present the same ciliary immotile syndrome, they studied with nasal brushing three cases of Werdnig-Hoffman syndromes: but they presented normal ciliary conformation. The Authors suppose that in case in future it should be found in other cases of nemaline myopathy the contemporary presence of dinein arms lack, it should be demonstrated that this syndrome takes derivation from a genetic alteration both of the muscular apparatus and the ciliary mobility system of bronchial epithelius.