As a pediatric orthopedist, I conducted very active work in the sphere of prevention, diagnostics and treatment of hip dysplasia in infants and; I also introduced sonographic examinationof the hip joints in infants for early detection of hip joint dysplasia at the Neonatal Department of the Hospital of the Association of Social Insurance of Mining Industry Employees in Bochum. Besides, Iworked very extensively in the sphere of postural fault prevention and correction for children and adolescents.