Sport represents a domain where various functions and effects can be manifested. The sports industry today is characterized by modern technology, especially in the sphere of manufacturing sports props and equipment, which significantly helps its development and progress. The sports industry today exists within the social-economic achievements and power of a society. In essence, it should adapt to the new living conditions, work conditions and the conditions in which business is being conducted. Today, it is necessary to invest more in the offer of the sports industry (athletes, results, equipment, equipment, facilities, diagnostics ...), in order to be more efficient in the form of the final product on the market. The industry must adapt to the conditions of the world market (supply and demand). That is why it is sometimes necessary to also expand the range of constituents in order to win a medal – achieve a top sports result. This article will analyze the phenomenon of the modern sports industry as a business model, its production and the realization of the necessary conditions for achieving top sports results and winning medals at big competitions. Naturally, without unity between numerous external and internal factors no top sports results can be achieved. The authors also deal with an analysis of the factors of the sports industry.

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Annual age grouping of children according to their birth year is a common practice of the educational systems of many countries. This variation in birth dates among children grouped in the same generation is known as relative age and its implications on different developmental outcomes are referred to as relative age effects (RAEs). The previous body of research of RAEs in youth populations has focused on sporting samples; however, studies examining RAEs in physical education are scarce. The current study investigates the influence of the RAEs on motor abilities in a sample of adolescent pupils. The results indicate significant differences in motor abilities between relatively older and relatively younger participants of both sexes. Since RAE is an under-researched area in physical education, the results may have substantial implications for PE assessment given the fact that many PE teachers still carry out typical norm-referenced assessments. Possible recommendations for future research are discussed.

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