Modern Pediatrics. Ukraine. (2025).5(149): 93-101. doi: 10.15574/SP.2025.9(149).93101
Nosko M. O.¹, Imeridze M. B.², Buzhina I. V.³, Tolchieva H. V.⁴, Deikun M. P.^1
1T.H. Shevchenko National University «Chernihiv Colehium», Ukraine
²Private higher educational institution «Medical and Natural University», Mykolaiv, Ukraine
³Odessa State University of Internal Affairs, Ukraine
⁴Luhansk Taras Shevchenko National University, Poltava, Ukraine

For citation: Nosko MO, Imeridze MB, Buzhina IV, Tolchieva HV, Deikun MP. (2025). The impact of physical activity on the health and quality of life of adolescents aged 14-15. Modern Pediatrics. Ukraine. 5(149): 93-101. doi: 10.15574/SP.2025.9(149).93101.
Article received: Jan 27, 2025. Accepted for publication: Sep 10, 2025.

Physical activity is a leading factor affecting the health and quality of life of 14-15-year-old adolescents. Physical activity of 14-15-year-old adolescents is any body movement made by skeletal muscles, as a result of which there is a significant increase in the energy expenditure of the child's body. A sufficient level of physical activity increases the potential for the health level of children of older adolescence. At the same time, it is a necessary prerequisite for the harmonious development of adolescents and contributes to the preservation of health and the prevention of diseases.
Aim: to conduct a systematic analysis of scientific sources on the impact of motor activity on the health and quality of life of 14-15-year-old adolescents.
The basis of physical activity is physical exercises, and it is implemented in the process of physical education in secondary education institutions. The positive results of physical activity for improving the quality of life of 14-15-year-old adolescents are increased blood pressure, improved elasticity of capillaries, improved functioning of the heart as a muscular organ, increased blood flow, and accelerated metabolism in the body. Systematic motor activity activates the neuromuscular system, increases the child's performance in the educational process, helps improve blood circulation, and stimulates the work of internal organs. At the present stage, the implementation of the required level of motor activity is the key to the normal development of the body of 14-15-year-old adolescents. Modern scientific research substantiates the need for motivation, which affects motor activity and motivation to perform physical exercises.
It is necessary to promote various forms of motor activity for 14-15-year-old adolescents. Medical workers, physical education teachers, social workers, and teachers should conduct explanatory work on the positive impact of motor activity on the health and quality of life of 14-15-year-old adolescents.
The authors declare no conflicts of interest.
Keywords: motor activity, motor skills, physical activity, physical exercises, adolescents 14-15 years old, health, quality of life.

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