The common point of observation and engagement of psychology, sociology, and kinesiology is man and his activity. The subjects of observation are the actions of man and his development. The development of the child and the individual takes place through different periods and stages throughout life. In certain stages, one should learn acquire and perfect knowledge and skills intended for that period. If certain competencies and skills do not develop when they should, it is difficult to compensate for them later in life. Different factors, internal and external, affect the development process. One of the factors is engaging in sports activities. Physical activity helps the individual develop his intellectual abilities, as well as the social skills necessary for coexistence in the community. Like every factor sport has its advantages and disadvantages when it comes to influencing a person’s development and building his character. During the performance of a pshysical task in addition to motor skills. Other abbilities are developed that are crucial for a certain developmental stage in which a person is. Sport is a social activity and, as such, depends on the community of the people in which it takes place. Seeing as society defines sport, each individual can use it to acquire certain social skills that help him in the process of socialization, especially children. Socializing with peers in the same social community who have the same interests and goals ( to be the best that they can be in the sport activity) help to build attitudes, opinions, and value. They learn to respect the rules, other participants as persons, but also themselves, which is important for self-esteem and self-confidence. Surely, in adition to sports activities there are other factors that affect the process of socialization, such as peers, family, teachers and the community in which they grow up. Along with a person’s social development, physical activity is extremely important for one’s health. Lack of psycical effort results in poor health conditions that could ultimately lead to death.