This article discusses the age-related features of the functional and physical development of young athletes involved in football and martial arts. The study involved 84 athletes (42 athletes involved in football and 42 athletes involved in martial arts between the ages of 8-15 years old. Assessment of physical development included the measurement of morphological and functional indicators (body weight, height, waist and hips, body mass indices). The obtained data on age periods are compared, and the effects of various sports on the body of children and adolescents are revealed.

football, martial arts, athletes, bioimpedance analyzer.

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