Physical Performance and Morphological Characteristics of Young Basketball Players before and after COVID-19.

The aim of this study was to determine possible changes in physical performance and morphological characteristics in young basketball players before and after quarantine caused by COVID-19. The research was conducted on a total sample of 46 young basketball players. Participants were measured before the quarantine and pandemic in January 2020 and then after the quarantine period, one year later in March 2021.

Heart Rate-Corrected QT and JT Intervals in Electrocardiograms in Physically Fit Students and Student Athletes.

In literature, data on the prevalence of prolonged and shortened corrected QT (QTc) have shown considerable variability. The aim of the study was to compare QTc and JTc intervals of competitive student athletes and noncompetitive sport participants to QTc cutoff points used in athletes. A group of 485 physically fit candidates for the study of kinesiology (139 female and 346 male candidates) aged 18-20 participated in the study.

The Percentage of Body Fat in Children and the Level of their Motor Skills.

The aim of this study was to determine the prevalence of overweight and obesity among primary education pupils and to identify differences in motor skills between normal weight, excessive and obese pupils. Partial aim was to determine differences in motor status of girls and boys and their anthropometric characteristics (Body Mass Index, body fat percentage). The study was conducted in two primary schools in Zagreb, Ivan Goran Kovačić and Davorin Trstenjak.

Body size and body composition change trends in preschool children over a period of five years.

The study investigated the changes of body size and composition in the sample of 296 preschool urban dwelling children aged 6.5 +/- 0.8 years over a period of five years.

Fitness level of adult economically active population in the Republic of Croatia estimated by EUROFIT system.

The study presents the results of the EUROFIT CROATIA project that was conducted according to the instructions of Council of Europe. The aim of the study was evaluation of fitness level of the employed Croatian population. The measurements comprised EUROFIT battery of tests as well as Baecke's questionnaire for evaluation of habitual physical activity.