Background: The research was devoted for solving of one of the main disability problems–low participation of disabled persons in sport activities especially who have severe damaged motor functions. Aim and goals: To investigate positive preconditions and barriers for participation in sport activities of severe physically disabled analyzing the influence of the level of the impairment of motor functions, environmental and psychological factors of disabled. Methods: For investigation of biosocial functions of self – care and daily living activities we used the modified Kenny test. The original questionnaire was created according to the methodological recommendations of ICF for determination of environmental physical, economical and information factors, psychosocial factors as well as psychological attitudes toward their own health and sport participation of disabled. Results: The results of the study show that the age, family status, impaired motor functions and economical factors of disabled individuals have not any impact on disability sport participation. The level of education, integrated education, the adaptation of individual transport and living conditions of disabled as well as the higher level of information played the positive role and could be considered as preconditions for disabled to participate in sport activities. More negative, inadequate to the real situation of motor impairment, psychological self – evaluation of the own health, associated with the high... [to full text]