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Physical fitness since childhood associated with cerebellar volume in adolescence: Study

Physical fitness since childhood predicts cerebellar volume in adolescencecerebellar volume in adolescence. Credit: Petri Jalanko” width=”800″ height=”446″/
Physical fitness since childhood predicts cerebellar volume in adolescence. Credit: Petri Jalanko

Physical fitness since childhood is associated with cerebellar gray matter volume in adolescents. According to a recent study conducted at the University of Jyväskylä and the University of Eastern Finland, those who were stronger, faster and more agile, in other words, had better neuromuscular fitness since childhood, had larger Crus I gray matter volume in adolescence. The study was published in the Scandinavian Journal of Medicine and Science in Sports.

Despite the importance of the developing cerebellum on cognition and learning, the associations between physical fitness and cerebellar volume in adolescents have remained unclear. This study examined the associations of physical fitness with gray matter volume of cerebellar lobules related to cognition in adolescents, and whether these associations differed between females and males.

Those adolescents with better neuromuscular fitness since childhood had larger Crus I gray matter volume. However, adolescents with better cardiorespiratory fitness had smaller total cerebellar gray matter volume. Moreover, males with better neuromuscular fitness since childhood had smaller Crus II gray matter volume.

“Our study highlights the importance of physical activity through childhood and adolescence, leading to better physical fitness, as it might be relevant to cerebellar volumes related to cognition and learning. However, the associations we observed are in part contradictory,” says Doctoral Researcher Petri Jalanko from the Faculty of Sport and Health Sciences at the University of Jyväskylä.

“The study sheds light on the associations between physical fitness and the cerebellum. Future randomized controlled trials utilizing direct cardiorespiratory fitness measurements and novel brain imaging to assess a larger population and both sexes separately are needed to better understand the associations and causality between physical fitness and cerebellar volumes in adolescents,” Jalanko says.

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