With the obvious increase of sports activities, especially in industrialized countries, a differentiation of contents takes place. This is expressed by various denominations for sports realities: top-class sport, competitive sport, performance sport, mass sport, leisure time sport, sport in schools, preschool sport, sport at universities, qualification in sports, club sport, military sport, sport at factories, sport for children, sport for youth, sport for adults, sport for older people etc. The basis for these various denominations are different aspects of order and, therefore, they often do not exactly separate these various spheres and they are not precise according to the contents. In this connection we must also see the relatively new denomination "sport for adults". This term means that sport more and more looses its primarily "juvenalatic" character and — as a consequence of increasing importance for the physical-psychological reproduction of working. power also after school time. Moreover, the term "sports for adults" seems to facilitate a direct access to sports practice, because in sports organizations ge nerally a clear cut is made between youth age and adult age. Under sociological aspect the term "sports for adults" as a separate sphere still remains unsatisfactory for the explanation of sports reality. In the so far attempts for ranking, age is used as a calendaric or biological difference, but not as a sociolcgical category. Under this aspect, the paper deals with two main problems: 1. Theoretical-methodological aspects. In this section the thesis is described and explained that the position of adult people in the social process of production and reproduction is an essential feature for the status "adult". Therefore, sports motivations and activities, but also sports passivity, so widely spread among adults (learning inhibition), may be interpreted by general socio-economic laws. On the other hand, the term 'adult" is so general that concrete processes in sports practice of adults hardly can be explained satisfactorily (i.e. arising of sports activity or overcoming of passivity). Therefore, we hold the opinion to further classify sports for adults according to professional activity and position in order — following the dialectics of the general and specific — to better use the laws of sports for adults. 2. Exemplary description of a special sphere of sports for adults: sports for students. The relevance of sports for students for the topic "sports for adults" consists in the fact that sports for students lies i nthe intersection of youth age and adult status. After a sociological determination of the status "student" sports habits and their changes with students are compared to those of adults, sports organization processes are described, and the contents of their sports activity are interpreted. The thesis is underlined that sports for students may be a "station for early recognition" of future developments in sports for adults.