Generacijske spremembe v postavi in sestavi telesa v času pubertete = Generational changes in posture and body composition during puberty
Tomazo-Ravnik, Tatjana
Secular trend is evaluated by comparison of two generataons of adolescents from Šentjernej, Vipava and Ljubljana. Changes of some body measurements, describing posture and changes in body composition ...based on calculated BMI, upper arm anthropometry and two-component method, was analysed. The results show that youths in this period of growth and development are very sensitive to environmental changes and react to them with different intensity of accelerated growth. The same reaction trend is found in changes of muscle and fat tissue amount in their bodies. In Šentjernej, where the difference betweenthe generations was 27 years, the intensity of secular trends was very high. In the period of 21 years such intensity was not found in growth of children from Vipava. The reasons for these results are correlated with the intensity of economic development in both cities. Body composition in both generations of Ljubljana youths shows characteristic sex differences and greater intensity of changes in boys only. In boys prevails muscle mass, in girls fat mass. A tendency to lower mean BMI values is noticed. Systematic measurements of children and youths are very important as they provide opportunity to evaluate the reaction of human organism to experienced changes.
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